1078 lines
35 KiB
JavaScript
1078 lines
35 KiB
JavaScript
/**
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* @module elem-get-set get and set methods.
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* @license MIT
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* @copyright 2011 Jeff Schiller
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*/
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import Paint from './paint.js'
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import { NS } from './namespaces.js'
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import {
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getVisibleElements, getStrokedBBoxDefaultVisible, findDefs,
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walkTree, getHref, setHref, getElement
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} from './utilities.js'
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import {
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convertToNum
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} from './units.js'
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import { getParents } from '../../src/common/util.js'
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let svgCanvas = null
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/**
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* @function module:elem-get-set.init
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* @param {module:elem-get-set.elemContext} elemContext
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* @returns {void}
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*/
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export const init = (canvas) => {
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svgCanvas = canvas
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svgCanvas.getBold = getBoldMethod // Check whether selected element is bold or not.
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svgCanvas.setBold = setBoldMethod // Make the selected element bold or normal.
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svgCanvas.getItalic = getItalicMethod // Check whether selected element is in italics or not.
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svgCanvas.setItalic = setItalicMethod // Make the selected element italic or normal.
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svgCanvas.hasTextDecoration = hasTextDecorationMethod // Check whether the selected element has the given text decoration or not.
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svgCanvas.addTextDecoration = addTextDecorationMethod // Adds the given value to the text decoration
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svgCanvas.removeTextDecoration = removeTextDecorationMethod // Removes the given value from the text decoration
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svgCanvas.setTextAnchor = setTextAnchorMethod // Set the new text anchor.
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svgCanvas.setLetterSpacing = setLetterSpacingMethod // Set the new letter spacing.
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svgCanvas.setWordSpacing = setWordSpacingMethod // Set the new word spacing.
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svgCanvas.setTextLength = setTextLengthMethod // Set the new text length.
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svgCanvas.setLengthAdjust = setLengthAdjustMethod // Set the new length adjust.
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svgCanvas.getFontFamily = getFontFamilyMethod // The current font family
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svgCanvas.setFontFamily = setFontFamilyMethod // Set the new font family.
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svgCanvas.setFontColor = setFontColorMethod // Set the new font color.
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svgCanvas.getFontColor = getFontColorMethod // The current font color
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svgCanvas.getFontSize = getFontSizeMethod // The current font size
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svgCanvas.setFontSize = setFontSizeMethod // Applies the given font size to the selected element.
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svgCanvas.getText = getTextMethod // current text (`textContent`) of the selected element
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svgCanvas.setTextContent = setTextContentMethod // Updates the text element with the given string.
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svgCanvas.setImageURL = setImageURLMethod // Sets the new image URL for the selected image element
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svgCanvas.setLinkURL = setLinkURLMethod // Sets the new link URL for the selected anchor element.
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svgCanvas.setRectRadius = setRectRadiusMethod // Sets the `rx` and `ry` values to the selected `rect` element
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svgCanvas.makeHyperlink = makeHyperlinkMethod // Wraps the selected element(s) in an anchor element or converts group to one.
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svgCanvas.removeHyperlink = removeHyperlinkMethod
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svgCanvas.setSegType = setSegTypeMethod // Sets the new segment type to the selected segment(s).
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svgCanvas.setStrokeWidth = setStrokeWidthMethod // Sets the stroke width for the current selected elements.
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svgCanvas.getResolution = getResolutionMethod // The current dimensions and zoom level in an object
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svgCanvas.getTitle = getTitleMethod // the current group/SVG's title contents or `undefined` if no element
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svgCanvas.setGroupTitle = setGroupTitleMethod // Sets the group/SVG's title content.
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svgCanvas.setStrokeAttr = setStrokeAttrMethod // Set the given stroke-related attribute the given value for selected elements.
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svgCanvas.setBackground = setBackgroundMethod // Set the background of the editor (NOT the actual document).
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svgCanvas.setDocumentTitle = setDocumentTitleMethod // Adds/updates a title element for the document with the given name.
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svgCanvas.getEditorNS = getEditorNSMethod // Returns the editor's namespace URL, optionally adding it to the root element.
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svgCanvas.setResolution = setResolutionMethod // Changes the document's dimensions to the given size.
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svgCanvas.setBBoxZoom = setBBoxZoomMethod // Sets the zoom level on the canvas-side based on the given value.
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svgCanvas.setCurrentZoom = setZoomMethod // Sets the zoom to the given level.
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svgCanvas.setColor = setColorMethod // Change the current stroke/fill color/gradien
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svgCanvas.setGradient = setGradientMethod // Apply the current gradient to selected element's fill or stroke.
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svgCanvas.setPaint = setPaintMethod // Set a color/gradient to a fill/stroke.
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}
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/**
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* @function module:elem-get-set.SvgCanvas#getResolution
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* @returns {DimensionsAndZoom} The current dimensions and zoom level in an object
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*/
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const getResolutionMethod = () => {
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const zoom = svgCanvas.getZoom()
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const w = svgCanvas.getSvgContent().getAttribute('width') / zoom
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const h = svgCanvas.getSvgContent().getAttribute('height') / zoom
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return {
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w,
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h,
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zoom
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}
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}
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/**
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* @function module:elem-get-set.SvgCanvas#getTitle
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* @param {Element} [elem]
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* @returns {string|void} the current group/SVG's title contents or
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* `undefined` if no element is passed nd there are no selected elements.
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*/
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const getTitleMethod = (elem) => {
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const selectedElements = svgCanvas.getSelectedElements()
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const dataStorage = svgCanvas.getDataStorage()
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elem = elem || selectedElements[0]
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if (!elem) { return undefined }
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if (dataStorage.has(elem, 'gsvg')) {
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elem = dataStorage.get(elem, 'gsvg')
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} else if (dataStorage.has(elem, 'symbol')) {
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elem = dataStorage.get(elem, 'symbol')
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}
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const childs = elem.childNodes
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for (const child of childs) {
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if (child.nodeName === 'title') {
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return child.textContent
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}
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}
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return ''
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}
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/**
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* Sets the group/SVG's title content.
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* @function module:elem-get-set.SvgCanvas#setGroupTitle
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* @param {string} val
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* @todo Combine this with `setDocumentTitle`
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* @returns {void}
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*/
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const setGroupTitleMethod = (val) => {
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const {
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InsertElementCommand, RemoveElementCommand,
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ChangeElementCommand, BatchCommand
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} = svgCanvas.history
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const selectedElements = svgCanvas.getSelectedElements()
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const dataStorage = svgCanvas.getDataStorage()
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let elem = selectedElements[0]
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if (dataStorage.has(elem, 'gsvg')) {
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elem = dataStorage.get(elem, 'gsvg')
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}
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const ts = elem.querySelectorAll('title')
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const batchCmd = new BatchCommand('Set Label')
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let title
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if (val.length === 0) {
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// Remove title element
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const tsNextSibling = ts.nextSibling
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batchCmd.addSubCommand(new RemoveElementCommand(ts[0], tsNextSibling, elem))
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ts.remove()
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} else if (ts.length) {
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// Change title contents
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title = ts[0]
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batchCmd.addSubCommand(new ChangeElementCommand(title, { '#text': title.textContent }))
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title.textContent = val
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} else {
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// Add title element
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title = svgCanvas.getDOMDocument().createElementNS(NS.SVG, 'title')
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title.textContent = val
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elem.insertBefore(title, elem.firstChild)
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batchCmd.addSubCommand(new InsertElementCommand(title))
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}
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svgCanvas.addCommandToHistory(batchCmd)
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}
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/**
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* Adds/updates a title element for the document with the given name.
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* This is an undoable action.
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* @function module:elem-get-set.SvgCanvas#setDocumentTitle
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* @param {string} newTitle - String with the new title
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* @returns {void}
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*/
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const setDocumentTitleMethod = (newTitle) => {
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const { ChangeElementCommand, BatchCommand } = svgCanvas.history
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const childs = svgCanvas.getSvgContent().childNodes
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let docTitle = false; let oldTitle = ''
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const batchCmd = new BatchCommand('Change Image Title')
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for (const child of childs) {
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if (child.nodeName === 'title') {
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docTitle = child
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oldTitle = docTitle.textContent
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break
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}
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}
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if (!docTitle) {
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docTitle = svgCanvas.getDOMDocument().createElementNS(NS.SVG, 'title')
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svgCanvas.getSvgContent().insertBefore(docTitle, svgCanvas.getSvgContent().firstChild)
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// svgContent.firstChild.before(docTitle); // Ok to replace above with this?
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}
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if (newTitle.length) {
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docTitle.textContent = newTitle
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} else {
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// No title given, so element is not necessary
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docTitle.remove()
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}
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batchCmd.addSubCommand(new ChangeElementCommand(docTitle, { '#text': oldTitle }))
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svgCanvas.addCommandToHistory(batchCmd)
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}
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/**
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* Changes the document's dimensions to the given size.
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* @function module:elem-get-set.SvgCanvas#setResolution
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* @param {Float|"fit"} x - Number with the width of the new dimensions in user units.
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* Can also be the string "fit" to indicate "fit to content".
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* @param {Float} y - Number with the height of the new dimensions in user units.
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* @fires module:elem-get-set.SvgCanvas#event:changed
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* @returns {boolean} Indicates if resolution change was successful.
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* It will fail on "fit to content" option with no content to fit to.
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*/
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const setResolutionMethod = (x, y) => {
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const { ChangeElementCommand, BatchCommand } = svgCanvas.history
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const zoom = svgCanvas.getZoom()
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const res = svgCanvas.getResolution()
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const { w, h } = res
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let batchCmd
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if (x === 'fit') {
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// Get bounding box
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const bbox = getStrokedBBoxDefaultVisible()
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if (bbox) {
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batchCmd = new BatchCommand('Fit Canvas to Content')
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const visEls = getVisibleElements()
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svgCanvas.addToSelection(visEls)
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const dx = []; const dy = []
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visEls.forEach((_item, _i) => {
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dx.push(bbox.x * -1)
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dy.push(bbox.y * -1)
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})
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const cmd = svgCanvas.moveSelectedElements(dx, dy, true)
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batchCmd.addSubCommand(cmd)
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svgCanvas.clearSelection()
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x = Math.round(bbox.width)
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y = Math.round(bbox.height)
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} else {
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return false
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}
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}
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if (x !== w || y !== h) {
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if (!batchCmd) {
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batchCmd = new BatchCommand('Change Image Dimensions')
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}
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x = convertToNum('width', x)
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y = convertToNum('height', y)
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svgCanvas.getSvgContent().setAttribute('width', x)
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svgCanvas.getSvgContent().setAttribute('height', y)
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svgCanvas.contentW = x
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svgCanvas.contentH = y
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batchCmd.addSubCommand(new ChangeElementCommand(svgCanvas.getSvgContent(), { width: w, height: h }))
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svgCanvas.getSvgContent().setAttribute('viewBox', [0, 0, x / zoom, y / zoom].join(' '))
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batchCmd.addSubCommand(new ChangeElementCommand(svgCanvas.getSvgContent(), { viewBox: ['0 0', w, h].join(' ') }))
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svgCanvas.addCommandToHistory(batchCmd)
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svgCanvas.call('changed', [svgCanvas.getSvgContent()])
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}
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return true
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}
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/**
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* Returns the editor's namespace URL, optionally adding it to the root element.
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* @function module:elem-get-set.SvgCanvas#getEditorNS
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* @param {boolean} [add] - Indicates whether or not to add the namespace value
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* @returns {string} The editor's namespace URL
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*/
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const getEditorNSMethod = (add) => {
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if (add) {
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svgCanvas.getSvgContent().setAttribute('xmlns:se', NS.SE)
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}
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return NS.SE
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}
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/**
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* @typedef {PlainObject} module:elem-get-set.ZoomAndBBox
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* @property {Float} zoom
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* @property {module:utilities.BBoxObject} bbox
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*/
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/**
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* Sets the zoom level on the canvas-side based on the given value.
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* @function module:elem-get-set.SvgCanvas#setBBoxZoom
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* @param {"selection"|"canvas"|"content"|"layer"|module:SVGEditor.BBoxObjectWithFactor} val - Bounding box object to zoom to or string indicating zoom option. Note: the object value type is defined in `svg-editor.js`
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* @param {Integer} editorW - The editor's workarea box's width
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* @param {Integer} editorH - The editor's workarea box's height
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* @returns {module:elem-get-set.ZoomAndBBox|void}
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*/
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const setBBoxZoomMethod = (val, editorW, editorH) => {
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const zoom = svgCanvas.getZoom()
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const selectedElements = svgCanvas.getSelectedElements()
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let spacer = 0.85
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let bb
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const calcZoom = (bb) => {
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if (!bb) { return false }
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const wZoom = Math.round((editorW / bb.width) * 100 * spacer) / 100
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const hZoom = Math.round((editorH / bb.height) * 100 * spacer) / 100
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const zoom = Math.min(wZoom, hZoom)
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svgCanvas.setZoom(zoom)
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return { zoom, bbox: bb }
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}
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if (typeof val === 'object') {
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bb = val
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if (bb.width === 0 || bb.height === 0) {
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const newzoom = bb.zoom ? bb.zoom : zoom * bb.factor
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svgCanvas.setZoom(newzoom)
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return { zoom, bbox: bb }
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}
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return calcZoom(bb)
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}
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switch (val) {
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case 'selection': {
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if (!selectedElements[0]) { return undefined }
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const selectedElems = selectedElements.map((n, _) => {
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if (n) {
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return n
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}
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return undefined
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})
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bb = getStrokedBBoxDefaultVisible(selectedElems)
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break
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} case 'canvas': {
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const res = svgCanvas.getResolution()
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spacer = 0.95
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bb = { width: res.w, height: res.h, x: 0, y: 0 }
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break
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} case 'content':
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bb = getStrokedBBoxDefaultVisible()
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break
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case 'layer':
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bb = getStrokedBBoxDefaultVisible(getVisibleElements(svgCanvas.getCurrentDrawing().getCurrentLayer()))
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break
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default:
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return undefined
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}
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return calcZoom(bb)
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}
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/**
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* Sets the zoom to the given level.
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* @function module:elem-get-set.SvgCanvas#setZoom
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* @param {Float} zoomLevel - Float indicating the zoom level to change to
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* @fires module:elem-get-set.SvgCanvas#event:ext_zoomChanged
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* @returns {void}
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*/
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const setZoomMethod = (zoomLevel) => {
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const selectedElements = svgCanvas.getSelectedElements()
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const res = svgCanvas.getResolution()
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svgCanvas.getSvgContent().setAttribute('viewBox', '0 0 ' + res.w / zoomLevel + ' ' + res.h / zoomLevel)
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svgCanvas.setZoom(zoomLevel)
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selectedElements.forEach((elem) => {
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if (!elem) { return }
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svgCanvas.selectorManager.requestSelector(elem).resize()
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})
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svgCanvas.pathActions.zoomChange()
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svgCanvas.runExtensions('zoomChanged', zoomLevel)
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}
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/**
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* Change the current stroke/fill color/gradient value.
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* @function module:elem-get-set.SvgCanvas#setColor
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* @param {string} type - String indicating fill or stroke
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* @param {string} val - The value to set the stroke attribute to
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* @param {boolean} preventUndo - Boolean indicating whether or not svgCanvas should be an undoable option
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* @fires module:elem-get-set.SvgCanvas#event:changed
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* @returns {void}
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*/
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const setColorMethod = (type, val, preventUndo) => {
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const selectedElements = svgCanvas.getSelectedElements()
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svgCanvas.setCurShape(type, val)
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svgCanvas.setCurProperties(type + '_paint', { type: 'solidColor' })
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const elems = []
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/**
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*
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* @param {Element} e
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* @returns {void}
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*/
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const addNonG = (e) => {
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if (e.nodeName !== 'g') {
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elems.push(e)
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}
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}
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let i = selectedElements.length
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while (i--) {
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const elem = selectedElements[i]
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if (elem) {
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if (elem.tagName === 'g') {
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walkTree(elem, addNonG)
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} else if (type === 'fill') {
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if (elem.tagName !== 'polyline' && elem.tagName !== 'line') {
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elems.push(elem)
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}
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} else {
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elems.push(elem)
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}
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}
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}
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if (elems.length > 0) {
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if (!preventUndo) {
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svgCanvas.changeSelectedAttribute(type, val, elems)
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svgCanvas.call('changed', elems)
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} else {
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svgCanvas.changeSelectedAttributeNoUndo(type, val, elems)
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}
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}
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}
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/**
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* Apply the current gradient to selected element's fill or stroke.
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* @function module:elem-get-set.SvgCanvas#setGradient
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* @param {"fill"|"stroke"} type - String indicating "fill" or "stroke" to apply to an element
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* @returns {void}
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*/
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const setGradientMethod = (type) => {
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if (!svgCanvas.getCurProperties(type + '_paint') ||
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svgCanvas.getCurProperties(type + '_paint').type === 'solidColor') { return }
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const canvas = svgCanvas
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let grad = canvas[type + 'Grad']
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// find out if there is a duplicate gradient already in the defs
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const duplicateGrad = findDuplicateGradient(grad)
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const defs = findDefs()
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// no duplicate found, so import gradient into defs
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if (!duplicateGrad) {
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// const origGrad = grad;
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grad = svgCanvas.getDOMDocument().importNode(grad, true)
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defs.append(grad)
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// get next id and set it on the grad
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grad.id = svgCanvas.getNextId()
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} else { // use existing gradient
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grad = duplicateGrad
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}
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svgCanvas.setColor(type, 'url(#' + grad.id + ')')
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}
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/**
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* Check if exact gradient already exists.
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* @function module:svgcanvas~findDuplicateGradient
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* @param {SVGGradientElement} grad - The gradient DOM element to compare to others
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* @returns {SVGGradientElement} The existing gradient if found, `null` if not
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*/
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const findDuplicateGradient = (grad) => {
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const defs = findDefs()
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const existingGrads = defs.querySelectorAll('linearGradient, radialGradient')
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let i = existingGrads.length
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const radAttrs = ['r', 'cx', 'cy', 'fx', 'fy']
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while (i--) {
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const og = existingGrads[i]
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if (grad.tagName === 'linearGradient') {
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if (grad.getAttribute('x1') !== og.getAttribute('x1') ||
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grad.getAttribute('y1') !== og.getAttribute('y1') ||
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grad.getAttribute('x2') !== og.getAttribute('x2') ||
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grad.getAttribute('y2') !== og.getAttribute('y2')
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) {
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continue
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}
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} else {
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const gradAttrs = {
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r: Number(grad.getAttribute('r')),
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cx: Number(grad.getAttribute('cx')),
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cy: Number(grad.getAttribute('cy')),
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fx: Number(grad.getAttribute('fx')),
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fy: Number(grad.getAttribute('fy'))
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}
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const ogAttrs = {
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r: Number(og.getAttribute('r')),
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cx: Number(og.getAttribute('cx')),
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cy: Number(og.getAttribute('cy')),
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fx: Number(og.getAttribute('fx')),
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fy: Number(og.getAttribute('fy'))
|
|
}
|
|
|
|
let diff = false
|
|
radAttrs.forEach((attr) => {
|
|
if (gradAttrs[attr] !== ogAttrs[attr]) { diff = true }
|
|
})
|
|
|
|
if (diff) { continue }
|
|
}
|
|
|
|
// else could be a duplicate, iterate through stops
|
|
const stops = grad.getElementsByTagNameNS(NS.SVG, 'stop')
|
|
const ostops = og.getElementsByTagNameNS(NS.SVG, 'stop')
|
|
|
|
if (stops.length !== ostops.length) {
|
|
continue
|
|
}
|
|
|
|
let j = stops.length
|
|
while (j--) {
|
|
const stop = stops[j]
|
|
const ostop = ostops[j]
|
|
|
|
if (stop.getAttribute('offset') !== ostop.getAttribute('offset') ||
|
|
stop.getAttribute('stop-opacity') !== ostop.getAttribute('stop-opacity') ||
|
|
stop.getAttribute('stop-color') !== ostop.getAttribute('stop-color')) {
|
|
break
|
|
}
|
|
}
|
|
|
|
if (j === -1) {
|
|
return og
|
|
}
|
|
} // for each gradient in defs
|
|
|
|
return null
|
|
}
|
|
|
|
/**
|
|
* Set a color/gradient to a fill/stroke.
|
|
* @function module:elem-get-set.SvgCanvas#setPaint
|
|
* @param {"fill"|"stroke"} type - String with "fill" or "stroke"
|
|
* @param {} paint - The paint object to apply
|
|
* @returns {void}
|
|
*/
|
|
const setPaintMethod = (type, paint) => {
|
|
// make a copy
|
|
const p = new Paint(paint)
|
|
svgCanvas.setPaintOpacity(type, p.alpha / 100, true)
|
|
|
|
// now set the current paint object
|
|
svgCanvas.setCurProperties(type + '_paint', p)
|
|
switch (p.type) {
|
|
case 'solidColor':
|
|
svgCanvas.setColor(type, p.solidColor !== 'none' ? '#' + p.solidColor : 'none')
|
|
break
|
|
case 'linearGradient':
|
|
case 'radialGradient':
|
|
svgCanvas.setCanvas(type + 'Grad', p[p.type])
|
|
svgCanvas.setGradient(type)
|
|
break
|
|
}
|
|
}
|
|
/**
|
|
* Sets the stroke width for the current selected elements.
|
|
* When attempting to set a line's width to 0, this changes it to 1 instead.
|
|
* @function module:elem-get-set.SvgCanvas#setStrokeWidth
|
|
* @param {Float} val - A Float indicating the new stroke width value
|
|
* @fires module:elem-get-set.SvgCanvas#event:changed
|
|
* @returns {void}
|
|
*/
|
|
const setStrokeWidthMethod = (val) => {
|
|
const selectedElements = svgCanvas.getSelectedElements()
|
|
if (val === 0 && ['line', 'path'].includes(svgCanvas.getMode())) {
|
|
svgCanvas.setStrokeWidth(1)
|
|
return
|
|
}
|
|
svgCanvas.setCurProperties('stroke_width', val)
|
|
|
|
const elems = []
|
|
/**
|
|
*
|
|
* @param {Element} e
|
|
* @returns {void}
|
|
*/
|
|
const addNonG = (e) => {
|
|
if (e.nodeName !== 'g') {
|
|
elems.push(e)
|
|
}
|
|
}
|
|
let i = selectedElements.length
|
|
while (i--) {
|
|
const elem = selectedElements[i]
|
|
if (elem) {
|
|
if (elem.tagName === 'g') {
|
|
walkTree(elem, addNonG)
|
|
} else {
|
|
elems.push(elem)
|
|
}
|
|
}
|
|
}
|
|
if (elems.length > 0) {
|
|
svgCanvas.changeSelectedAttribute('stroke-width', val, elems)
|
|
svgCanvas.call('changed', selectedElements)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Set the given stroke-related attribute the given value for selected elements.
|
|
* @function module:elem-get-set.SvgCanvas#setStrokeAttr
|
|
* @param {string} attr - String with the attribute name
|
|
* @param {string|Float} val - String or number with the attribute value
|
|
* @fires module:elem-get-set.SvgCanvas#event:changed
|
|
* @returns {void}
|
|
*/
|
|
const setStrokeAttrMethod = (attr, val) => {
|
|
const selectedElements = svgCanvas.getSelectedElements()
|
|
svgCanvas.setCurShape(attr.replace('-', '_'), val)
|
|
const elems = []
|
|
|
|
let i = selectedElements.length
|
|
while (i--) {
|
|
const elem = selectedElements[i]
|
|
if (elem) {
|
|
if (elem.tagName === 'g') {
|
|
walkTree(elem, (e) => { if (e.nodeName !== 'g') { elems.push(e) } })
|
|
} else {
|
|
elems.push(elem)
|
|
}
|
|
}
|
|
}
|
|
if (elems.length > 0) {
|
|
svgCanvas.changeSelectedAttribute(attr, val, elems)
|
|
svgCanvas.call('changed', selectedElements)
|
|
}
|
|
}
|
|
/**
|
|
* Check whether selected element is bold or not.
|
|
* @function module:svgcanvas.SvgCanvas#getBold
|
|
* @returns {boolean} Indicates whether or not element is bold
|
|
*/
|
|
const getBoldMethod = () => {
|
|
const selectedElements = svgCanvas.getSelectedElements()
|
|
// should only have one element selected
|
|
const selected = selectedElements[0]
|
|
if (selected?.tagName === 'text' &&
|
|
!selectedElements[1]) {
|
|
return (selected.getAttribute('font-weight') === 'bold')
|
|
}
|
|
return false
|
|
}
|
|
|
|
/**
|
|
* Make the selected element bold or normal.
|
|
* @function module:svgcanvas.SvgCanvas#setBold
|
|
* @param {boolean} b - Indicates bold (`true`) or normal (`false`)
|
|
* @returns {void}
|
|
*/
|
|
const setBoldMethod = (b) => {
|
|
const selectedElements = svgCanvas.getSelectedElements()
|
|
const selected = selectedElements[0]
|
|
if (selected?.tagName === 'text' &&
|
|
!selectedElements[1]) {
|
|
svgCanvas.changeSelectedAttribute('font-weight', b ? 'bold' : 'normal')
|
|
}
|
|
if (!selectedElements[0].textContent) {
|
|
svgCanvas.textActions.setCursor()
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Check whether selected element has the given text decoration value or not.
|
|
* @returns {boolean} Indicates whether or not element has the text decoration value
|
|
*/
|
|
const hasTextDecorationMethod = (value) => {
|
|
const selectedElements = svgCanvas.getSelectedElements()
|
|
const selected = selectedElements[0]
|
|
|
|
if (selected?.tagName === 'text' && !selectedElements[1]) {
|
|
const attribute = selected.getAttribute('text-decoration') || ''
|
|
return attribute.includes(value)
|
|
}
|
|
|
|
return false
|
|
}
|
|
|
|
/**
|
|
* Adds the given text decoration value
|
|
* @param value The text decoration value
|
|
* @returns {void}
|
|
*/
|
|
const addTextDecorationMethod = (value) => {
|
|
const selectedElements = svgCanvas.getSelectedElements()
|
|
const selected = selectedElements[0]
|
|
if (selected?.tagName === 'text' && !selectedElements[1]) {
|
|
const oldValue = selected.getAttribute('text-decoration') || ''
|
|
svgCanvas.changeSelectedAttribute('text-decoration', (oldValue + ' ' + value).trim())
|
|
}
|
|
if (selectedElements.length > 0 && !selectedElements[0].textContent) {
|
|
svgCanvas.textActions.setCursor()
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Removes the given text decoration value
|
|
* @param value The text decoration value
|
|
* @returns {void}
|
|
*/
|
|
const removeTextDecorationMethod = (value) => {
|
|
const selectedElements = svgCanvas.getSelectedElements()
|
|
const selected = selectedElements[0]
|
|
if (selected?.tagName === 'text' && !selectedElements[1]) {
|
|
const actualValues = selected.getAttribute('text-decoration') || ''
|
|
svgCanvas.changeSelectedAttribute('text-decoration', actualValues.replace(value, '').trim())
|
|
}
|
|
if (selectedElements.length > 0 && !selectedElements[0].textContent) {
|
|
svgCanvas.textActions.setCursor()
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Check whether selected element is in italics or not.
|
|
* @function module:svgcanvas.SvgCanvas#getItalic
|
|
* @returns {boolean} Indicates whether or not element is italic
|
|
*/
|
|
const getItalicMethod = () => {
|
|
const selectedElements = svgCanvas.getSelectedElements()
|
|
const selected = selectedElements[0]
|
|
if (selected?.tagName === 'text' && !selectedElements[1]) {
|
|
return (selected.getAttribute('font-style') === 'italic')
|
|
}
|
|
return false
|
|
}
|
|
|
|
/**
|
|
* Make the selected element italic or normal.
|
|
* @function module:svgcanvas.SvgCanvas#setItalic
|
|
* @param {boolean} i - Indicates italic (`true`) or normal (`false`)
|
|
* @returns {void}
|
|
*/
|
|
const setItalicMethod = (i) => {
|
|
const selectedElements = svgCanvas.getSelectedElements()
|
|
const selected = selectedElements[0]
|
|
if (selected?.tagName === 'text' && !selectedElements[1]) {
|
|
svgCanvas.changeSelectedAttribute('font-style', i ? 'italic' : 'normal')
|
|
}
|
|
if (!selectedElements[0].textContent) {
|
|
svgCanvas.textActions.setCursor()
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @function module:svgcanvas.SvgCanvas#setTextAnchorMethod Set the new text anchor
|
|
* @param {string} value - The text anchor value (start, middle or end)
|
|
* @returns {void}
|
|
*/
|
|
const setTextAnchorMethod = (value) => {
|
|
const selectedElements = svgCanvas.getSelectedElements()
|
|
const selected = selectedElements[0]
|
|
if (selected?.tagName === 'text' && !selectedElements[1]) {
|
|
svgCanvas.changeSelectedAttribute('text-anchor', value)
|
|
}
|
|
if (selectedElements.length > 0 && !selectedElements[0].textContent) {
|
|
svgCanvas.textActions.setCursor()
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @function module:svgcanvas.SvgCanvas#setLetterSpacingMethod Set the new letter spacing
|
|
* @param {string} value - The letter spacing value
|
|
* @returns {void}
|
|
*/
|
|
const setLetterSpacingMethod = (value) => {
|
|
const selectedElements = svgCanvas.getSelectedElements()
|
|
const selected = selectedElements[0]
|
|
if (selected?.tagName === 'text' && !selectedElements[1]) {
|
|
svgCanvas.changeSelectedAttribute('letter-spacing', value)
|
|
}
|
|
if (selectedElements.length > 0 && !selectedElements[0].textContent) {
|
|
svgCanvas.textActions.setCursor()
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @function module:svgcanvas.SvgCanvas#setWordSpacingMethod Set the new word spacing
|
|
* @param {string} value - The word spacing value
|
|
* @returns {void}
|
|
*/
|
|
const setWordSpacingMethod = (value) => {
|
|
const selectedElements = svgCanvas.getSelectedElements()
|
|
const selected = selectedElements[0]
|
|
if (selected?.tagName === 'text' && !selectedElements[1]) {
|
|
svgCanvas.changeSelectedAttribute('word-spacing', value)
|
|
}
|
|
if (selectedElements.length > 0 && !selectedElements[0].textContent) {
|
|
svgCanvas.textActions.setCursor()
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @function module:svgcanvas.SvgCanvas#setTextLengthMethod Set the new text length
|
|
* @param {string} value - The text length value
|
|
* @returns {void}
|
|
*/
|
|
const setTextLengthMethod = (value) => {
|
|
const selectedElements = svgCanvas.getSelectedElements()
|
|
const selected = selectedElements[0]
|
|
if (selected?.tagName === 'text' && !selectedElements[1]) {
|
|
svgCanvas.changeSelectedAttribute('textLength', value)
|
|
}
|
|
if (selectedElements.length > 0 && !selectedElements[0].textContent) {
|
|
svgCanvas.textActions.setCursor()
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @function module:svgcanvas.SvgCanvas#setLengthAdjustMethod Set the new length adjust
|
|
* @param {string} value - The length adjust value
|
|
* @returns {void}
|
|
*/
|
|
const setLengthAdjustMethod = (value) => {
|
|
const selectedElements = svgCanvas.getSelectedElements()
|
|
const selected = selectedElements[0]
|
|
if (selected?.tagName === 'text' && !selectedElements[1]) {
|
|
svgCanvas.changeSelectedAttribute('lengthAdjust', value)
|
|
}
|
|
if (selectedElements.length > 0 && !selectedElements[0].textContent) {
|
|
svgCanvas.textActions.setCursor()
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @function module:svgcanvas.SvgCanvas#getFontFamily
|
|
* @returns {string} The current font family
|
|
*/
|
|
const getFontFamilyMethod = () => {
|
|
return svgCanvas.getCurText('font_family')
|
|
}
|
|
|
|
/**
|
|
* Set the new font family.
|
|
* @function module:svgcanvas.SvgCanvas#setFontFamily
|
|
* @param {string} val - String with the new font family
|
|
* @returns {void}
|
|
*/
|
|
const setFontFamilyMethod = (val) => {
|
|
const selectedElements = svgCanvas.getSelectedElements()
|
|
svgCanvas.setCurText('font_family', val)
|
|
svgCanvas.changeSelectedAttribute('font-family', val)
|
|
if (!selectedElements[0]?.textContent) {
|
|
svgCanvas.textActions.setCursor()
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Set the new font color.
|
|
* @function module:svgcanvas.SvgCanvas#setFontColor
|
|
* @param {string} val - String with the new font color
|
|
* @returns {void}
|
|
*/
|
|
const setFontColorMethod = (val) => {
|
|
svgCanvas.setCurText('fill', val)
|
|
svgCanvas.changeSelectedAttribute('fill', val)
|
|
}
|
|
|
|
/**
|
|
* @function module:svgcanvas.SvgCanvas#getFontColor
|
|
* @returns {string} The current font color
|
|
*/
|
|
const getFontColorMethod = () => {
|
|
return svgCanvas.getCurText('fill')
|
|
}
|
|
|
|
/**
|
|
* @function module:svgcanvas.SvgCanvas#getFontSize
|
|
* @returns {Float} The current font size
|
|
*/
|
|
const getFontSizeMethod = () => {
|
|
return svgCanvas.getCurText('font_size')
|
|
}
|
|
|
|
/**
|
|
* Applies the given font size to the selected element.
|
|
* @function module:svgcanvas.SvgCanvas#setFontSize
|
|
* @param {Float} val - Float with the new font size
|
|
* @returns {void}
|
|
*/
|
|
const setFontSizeMethod = (val) => {
|
|
const selectedElements = svgCanvas.getSelectedElements()
|
|
svgCanvas.setCurText('font_size', val)
|
|
svgCanvas.changeSelectedAttribute('font-size', val)
|
|
if (!selectedElements[0]?.textContent) {
|
|
svgCanvas.textActions.setCursor()
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @function module:svgcanvas.SvgCanvas#getText
|
|
* @returns {string} The current text (`textContent`) of the selected element
|
|
*/
|
|
const getTextMethod = () => {
|
|
const selectedElements = svgCanvas.getSelectedElements()
|
|
const selected = selectedElements[0]
|
|
return (selected) ? selected.textContent : ''
|
|
}
|
|
|
|
/**
|
|
* Updates the text element with the given string.
|
|
* @function module:svgcanvas.SvgCanvas#setTextContent
|
|
* @param {string} val - String with the new text
|
|
* @returns {void}
|
|
*/
|
|
const setTextContentMethod = (val) => {
|
|
svgCanvas.changeSelectedAttribute('#text', val)
|
|
svgCanvas.textActions.init(val)
|
|
svgCanvas.textActions.setCursor()
|
|
}
|
|
|
|
/**
|
|
* Sets the new image URL for the selected image element. Updates its size if
|
|
* a new URL is given.
|
|
* @function module:svgcanvas.SvgCanvas#setImageURL
|
|
* @param {string} val - String with the image URL/path
|
|
* @fires module:svgcanvas.SvgCanvas#event:changed
|
|
* @returns {void}
|
|
*/
|
|
const setImageURLMethod = (val) => {
|
|
const { ChangeElementCommand, BatchCommand } = svgCanvas.history
|
|
const selectedElements = svgCanvas.getSelectedElements()
|
|
const elem = selectedElements[0]
|
|
if (!elem) { return }
|
|
|
|
const attrs = {
|
|
width: elem.getAttribute('width'),
|
|
height: elem.getAttribute('height')
|
|
}
|
|
const setsize = (!attrs.width || !attrs.height)
|
|
|
|
const curHref = getHref(elem)
|
|
|
|
// Do nothing if no URL change or size change
|
|
if (curHref === val && !setsize) {
|
|
return
|
|
}
|
|
|
|
const batchCmd = new BatchCommand('Change Image URL')
|
|
|
|
setHref(elem, val)
|
|
batchCmd.addSubCommand(new ChangeElementCommand(elem, {
|
|
'#href': curHref
|
|
}))
|
|
const img = new Image()
|
|
img.onload = function () {
|
|
const changes = {
|
|
width: elem.getAttribute('width'),
|
|
height: elem.getAttribute('height')
|
|
}
|
|
elem.setAttribute('width', this.width)
|
|
elem.setAttribute('height', this.height)
|
|
|
|
svgCanvas.selectorManager.requestSelector(elem).resize()
|
|
|
|
batchCmd.addSubCommand(new ChangeElementCommand(elem, changes))
|
|
svgCanvas.addCommandToHistory(batchCmd)
|
|
svgCanvas.call('changed', [elem])
|
|
}
|
|
img.src = val
|
|
}
|
|
|
|
/**
|
|
* Sets the new link URL for the selected anchor element.
|
|
* @function module:svgcanvas.SvgCanvas#setLinkURL
|
|
* @param {string} val - String with the link URL/path
|
|
* @returns {void}
|
|
*/
|
|
const setLinkURLMethod = (val) => {
|
|
const { ChangeElementCommand, BatchCommand } = svgCanvas.history
|
|
const selectedElements = svgCanvas.getSelectedElements()
|
|
let elem = selectedElements[0]
|
|
if (!elem) { return }
|
|
if (elem.tagName !== 'a') {
|
|
// See if parent is an anchor
|
|
const parentsA = getParents(elem.parentNode, 'a')
|
|
if (parentsA?.length) {
|
|
elem = parentsA[0]
|
|
} else {
|
|
return
|
|
}
|
|
}
|
|
|
|
const curHref = getHref(elem)
|
|
|
|
if (curHref === val) { return }
|
|
|
|
const batchCmd = new BatchCommand('Change Link URL')
|
|
|
|
setHref(elem, val)
|
|
batchCmd.addSubCommand(new ChangeElementCommand(elem, {
|
|
'#href': curHref
|
|
}))
|
|
|
|
svgCanvas.addCommandToHistory(batchCmd)
|
|
}
|
|
|
|
/**
|
|
* Sets the `rx` and `ry` values to the selected `rect` element
|
|
* to change its corner radius.
|
|
* @function module:svgcanvas.SvgCanvas#setRectRadius
|
|
* @param {string|Float} val - The new radius
|
|
* @fires module:svgcanvas.SvgCanvas#event:changed
|
|
* @returns {void}
|
|
*/
|
|
const setRectRadiusMethod = (val) => {
|
|
const { ChangeElementCommand } = svgCanvas.history
|
|
const selectedElements = svgCanvas.getSelectedElements()
|
|
const selected = selectedElements[0]
|
|
if (selected?.tagName === 'rect') {
|
|
const r = Number(selected.getAttribute('rx'))
|
|
if (r !== val) {
|
|
selected.setAttribute('rx', val)
|
|
selected.setAttribute('ry', val)
|
|
svgCanvas.addCommandToHistory(new ChangeElementCommand(selected, { rx: r, ry: r }, 'Radius'))
|
|
svgCanvas.call('changed', [selected])
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Wraps the selected element(s) in an anchor element or converts group to one.
|
|
* @function module:svgcanvas.SvgCanvas#makeHyperlink
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|
* @param {string} url
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|
* @returns {void}
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|
*/
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|
const makeHyperlinkMethod = (url) => {
|
|
svgCanvas.groupSelectedElements('a', url)
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|
}
|
|
|
|
/**
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|
* @function module:svgcanvas.SvgCanvas#removeHyperlink
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|
* @returns {void}
|
|
*/
|
|
const removeHyperlinkMethod = () => {
|
|
svgCanvas.ungroupSelectedElement()
|
|
}
|
|
|
|
/**
|
|
* Group: Element manipulation.
|
|
*/
|
|
|
|
/**
|
|
* Sets the new segment type to the selected segment(s).
|
|
* @function module:svgcanvas.SvgCanvas#setSegType
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|
* @param {Integer} newType - New segment type. See {@link https://www.w3.org/TR/SVG/paths.html#InterfaceSVGPathSeg} for list
|
|
* @returns {void}
|
|
*/
|
|
const setSegTypeMethod = (newType) => {
|
|
svgCanvas.pathActions.setSegType(newType)
|
|
}
|
|
|
|
/**
|
|
* Set the background of the editor (NOT the actual document).
|
|
* @function module:svgcanvas.SvgCanvas#setBackground
|
|
* @param {string} color - String with fill color to apply
|
|
* @param {string} url - URL or path to image to use
|
|
* @returns {void}
|
|
*/
|
|
const setBackgroundMethod = (color, url) => {
|
|
const bg = getElement('canvasBackground')
|
|
const border = bg.querySelector('rect')
|
|
let bgImg = getElement('background_image')
|
|
let bgPattern = getElement('background_pattern')
|
|
border.setAttribute('fill', color === 'chessboard' ? '#fff' : color)
|
|
if (color === 'chessboard') {
|
|
if (!bgPattern) {
|
|
bgPattern = svgCanvas.getDOMDocument().createElementNS(NS.SVG, 'foreignObject')
|
|
svgCanvas.assignAttributes(bgPattern, {
|
|
id: 'background_pattern',
|
|
width: '100%',
|
|
height: '100%',
|
|
preserveAspectRatio: 'xMinYMin',
|
|
style: 'pointer-events:none'
|
|
})
|
|
const div = document.createElement('div')
|
|
svgCanvas.assignAttributes(div, {
|
|
style: 'pointer-events:none;width:100%;height:100%;' +
|
|
'background-image:url(data:image/gif;base64,' +
|
|
'R0lGODlhEAAQAIAAAP///9bW1iH5BAAAAAAALAAAAAAQABAAAAIfjG+' +
|
|
'gq4jM3IFLJgpswNly/XkcBpIiVaInlLJr9FZWAQA7);'
|
|
})
|
|
bgPattern.append(div)
|
|
bg.append(bgPattern)
|
|
}
|
|
} else if (bgPattern) {
|
|
bgPattern.remove()
|
|
}
|
|
if (url) {
|
|
if (!bgImg) {
|
|
bgImg = svgCanvas.getDOMDocument().createElementNS(NS.SVG, 'image')
|
|
svgCanvas.assignAttributes(bgImg, {
|
|
id: 'background_image',
|
|
width: '100%',
|
|
height: '100%',
|
|
preserveAspectRatio: 'xMinYMin',
|
|
style: 'pointer-events:none'
|
|
})
|
|
}
|
|
setHref(bgImg, url)
|
|
bg.append(bgImg)
|
|
} else if (bgImg) {
|
|
bgImg.remove()
|
|
}
|
|
}
|