svgedit/editor/svg-editor.js

1461 lines
49 KiB
JavaScript

/*
if(!window.console) {
window.console = new function() {
this.log = function(str) {};
this.dir = function(str) {};
};
}
*/
function svg_edit_setup() {
var palette = ["#000000","#202020","#404040","#606060","#808080","#a0a0a0","#c0c0c0","#e0e0e0","#ffffff","#800000","#ff0000","#808000","#ffff00","#008000","#00ff00","#008080","#00ffff","#000080","#0000ff","#800080","#ff00ff","#2b0000","#550000","#800000","#aa0000","#d40000","#ff0000","#ff2a2a","#ff5555","#ff8080","#ffaaaa","#ffd5d5","#280b0b","#501616","#782121","#a02c2c","#c83737","#d35f5f","#de8787","#e9afaf","#f4d7d7","#241c1c","#483737","#6c5353","#916f6f","#ac9393","#c8b7b7","#e3dbdb","#2b1100","#552200","#803300","#aa4400","#d45500","#ff6600","#ff7f2a","#ff9955","#ffb380","#ffccaa","#ffe6d5","#28170b","#502d16","#784421","#a05a2c","#c87137","#d38d5f","#deaa87","#e9c6af","#f4e3d7","#241f1c","#483e37","#6c5d53","#917c6f","#ac9d93","#c8beb7","#e3dedb","#2b2200","#554400","#806600","#aa8800","#d4aa00","#ffcc00","#ffd42a","#ffdd55","#ffe680","#ffeeaa","#fff6d5","#28220b","#504416","#786721","#a0892c","#c8ab37","#d3bc5f","#decd87","#e9ddaf","#f4eed7","#24221c","#484537","#6c6753","#918a6f","#aca793","#c8c4b7","#e3e2db","#222b00","#445500","#668000","#88aa00","#aad400","#ccff00","#d4ff2a","#ddff55","#e5ff80","#eeffaa","#f6ffd5","#22280b","#445016","#677821","#89a02c","#abc837","#bcd35f","#cdde87","#dde9af","#eef4d7","#22241c","#454837","#676c53","#8a916f","#a7ac93","#c4c8b7","#e2e3db","#112b00","#225500","#338000","#44aa00","#55d400","#66ff00","#7fff2a","#99ff55","#b3ff80","#ccffaa","#e5ffd5","#17280b","#2d5016","#447821","#5aa02c","#71c837","#8dd35f","#aade87","#c6e9af","#e3f4d7","#1f241c","#3e4837","#5d6c53","#7c916f","#9dac93","#bec8b7","#dee3db","#002b00","#005500","#008000","#00aa00","#00d400","#00ff00","#2aff2a","#55ff55","#80ff80","#aaffaa","#d5ffd5","#0b280b","#165016","#217821","#2ca02c","#37c837","#5fd35f","#87de87","#afe9af","#d7f4d7","#1c241c","#374837","#536c53","#6f916f","#93ac93","#b7c8b7","#dbe3db","#002b11","#005522","#008033","#00aa44","#00d455","#00ff66","#2aff80","#55ff99","#80ffb3","#aaffcc","#d5ffe6","#0b2817","#16502d","#217844","#2ca05a","#37c871","#5fd38d","#87deaa","#afe9c6","#d7f4e3","#1c241f","#37483e","#536c5d","#6f917c","#93ac9d","#b7c8be","#dbe3de","#002b22","#005544","#008066","#00aa88","#00d4aa","#00ffcc","#2affd5","#55ffdd","#80ffe6","#aaffee","#d5fff6","#0b2822","#165044","#217867","#2ca089","#37c8ab","#5fd3bc","#87decd","#afe9dd","#d7f4ee","#1c2422","#374845","#536c67","#6f918a","#93aca7","#b7c8c4","#dbe3e2","#00222b","#004455","#006680","#0088aa","#00aad4","#00ccff","#2ad4ff","#55ddff","#80e5ff","#aaeeff","#d5f6ff","#0b2228","#164450","#216778","#2c89a0","#37abc8","#5fbcd3","#87cdde","#afdde9","#d7eef4","#1c2224","#374548","#53676c","#6f8a91","#93a7ac","#b7c4c8","#dbe2e3","#00112b","#002255","#003380","#0044aa","#0055d4","#0066ff","#2a7fff","#5599ff","#80b3ff","#aaccff","#d5e5ff","#0b1728","#162d50","#214478","#2c5aa0","#3771c8","#5f8dd3","#87aade","#afc6e9","#d7e3f4","#1c1f24","#373e48","#535d6c","#6f7c91","#939dac","#b7bec8","#dbdee3","#00002b","#000055","#000080","#0000aa","#0000d4","#0000ff","#2a2aff","#5555ff","#8080ff","#aaaaff","#d5d5ff","#0b0b28","#161650","#212178","#2c2ca0","#3737c8","#5f5fd3","#8787de","#afafe9","#d7d7f4","#1c1c24","#373748","#53536c","#6f6f91","#9393ac","#b7b7c8","#dbdbe3","#11002b","#220055","#330080","#4400aa","#5500d4","#6600ff","#7f2aff","#9955ff","#b380ff","#ccaaff","#e5d5ff","#170b28","#2d1650","#442178","#5a2ca0","#7137c8","#8d5fd3","#aa87de","#c6afe9","#e3d7f4","#1f1c24","#3e3748","#5d536c","#7c6f91","#9d93ac","#beb7c8","#dedbe3","#22002b","#440055","#660080","#8800aa","#aa00d4","#cc00ff","#d42aff","#dd55ff","#e580ff","#eeaaff","#f6d5ff","#220b28","#441650","#672178","#892ca0","#ab37c8","#bc5fd3","#cd87de","#ddafe9","#eed7f4","#221c24","#453748","#67536c","#8a6f91","#a793ac","#c4b7c8","#e2dbe3","#2b0022","#550044","#800066","#aa0088","#d400aa","#ff00cc","#ff2ad4","#ff55dd","#ff80e5","#ffaaee","#ffd5f6","#280b22","#501644","#782167","#a02c89","#c837ab","#d35fbc","#de87cd","#e9afdd","#f4d7ee","#241c22","#483745","#6c5367","#916f8a","#ac93a7","#c8b7c4","#e3dbe2","#2b0011","#550022","#800033","#aa0044","#d40055","#ff0066","#ff2a7f","#ff5599","#ff80b2","#ffaacc","#ffd5e5","#280b17","#50162d","#782144","#a02c5a","#c83771","#d35f8d","#de87aa","#e9afc6","#f4d7e3","#241c1f","#48373e","#6c535d","#916f7c","#ac939d","#c8b7be","#e3dbde"]
var isMac = false; //(navigator.platform.indexOf("Mac") != -1);
var modKey = ""; //(isMac ? "meta+" : "ctrl+");
var svgCanvas = new SvgCanvas(document.getElementById("svgcanvas"));
var setSelectMode = function() {
$('.tool_button_current').removeClass('tool_button_current').addClass('tool_button');
$('#tool_select').addClass('tool_button_current');
$('#styleoverrides').text('#svgcanvas svg *{cursor:move;pointer-events:all} #svgcanvas svg{cursor:default}');
svgCanvas.setMode('select');
};
// used to make the flyouts stay on the screen longer the very first time
var flyoutspeed = 1250;
var textBeingEntered = false;
var selectedElement = null;
var multiselected = false;
var editingsource = false;
var docprops = false;
var length_attrs = ['x','y','x1','x2','y1','y2','cx','cy','width','height','r','rx','ry','width','height','radius'];
var length_types = ['em','ex','px','cm','mm','in','pt','pc','%'];
var fillPaint = new $.jGraduate.Paint({solidColor: "FF0000"}); // solid red
var strokePaint = new $.jGraduate.Paint({solidColor: "000000"}); // solid black
// TODO: Unfortunately Mozilla does not handle internal references to gradients
// inside a data: URL document. This means that any elements filled/stroked
// with a gradient will appear black in Firefox, etc. See bug 308590
// https://bugzilla.mozilla.org/show_bug.cgi?id=308590
var saveHandler = function(window,svg) {
window.open("data:image/svg+xml;base64," + Utils.encode64(svg));
};
// called when we've selected a different element
var selectedChanged = function(window,elems) {
// if elems[1] is present, then we have more than one element
selectedElement = (elems.length == 1 || elems[1] == null ? elems[0] : null);
multiselected = (elems.length >= 2 && elems[1] != null);
if (selectedElement != null) {
// unless we're already in always set the mode of the editor to select because
// upon creation of a text element the editor is switched into
// select mode and this event fires - we need our UI to be in sync
var is_node = selectedElement.id && selectedElement.id.indexOf('polypointgrip') == 0;
if (svgCanvas.getMode() != "multiselect" && !is_node) {
setSelectMode();
updateToolbar();
}
} // if (elem != null)
updateContextPanel();
};
// called when any element has changed
var elementChanged = function(window,elems) {
for (var i = 0; i < elems.length; ++i) {
var elem = elems[i];
// if the element changed was the svg, then it could be a resolution change
if (elem && elem.tagName == "svg" && elem.getAttribute("viewBox")) {
var vb = elem.getAttribute("viewBox").split(' ');
changeResolution(parseInt(vb[2]),
parseInt(vb[3]));
}
}
// we update the contextual panel with potentially new
// positional/sizing information (we DON'T want to update the
// toolbar here as that creates an infinite loop)
// also this updates the history buttons
// we tell it to skip focusing the text control if the
// text element was previously in focus
updateContextPanel();
};
var zoomChanged = function(window, bbox) {
var scrbar = 15;
var res = svgCanvas.getResolution();
var w_area = $('#workarea');
var canvas_pos = $('#svgcanvas').position();
w_area.css('cursor','auto');
var z_info = svgCanvas.setBBoxZoom(bbox, w_area.width()-scrbar, w_area.height()-scrbar);
if(!z_info) return;
var zoomlevel = z_info.zoom;
var bb = z_info.bbox;
$('#zoom').val(Math.round(zoomlevel*100));
setResolution(res.w * zoomlevel, res.h * zoomlevel);
var scrLeft = bb.x * zoomlevel;
var scrOffX = w_area.width()/2 - (bb.width * zoomlevel)/2;
w_area[0].scrollLeft = Math.max(0,scrLeft - scrOffX) + Math.max(0,canvas_pos.left);
var scrTop = bb.y * zoomlevel;
var scrOffY = w_area.height()/2 - (bb.height * zoomlevel)/2;
w_area[0].scrollTop = Math.max(0,scrTop - scrOffY) + Math.max(0,canvas_pos.top);
clickSelect();
}
// updates the toolbar (colors, opacity, etc) based on the selected element
var updateToolbar = function() {
if (selectedElement != null &&
selectedElement.tagName != "image" &&
selectedElement.tagName != "g")
{
// get opacity values
var fillOpacity = parseFloat(selectedElement.getAttribute("fill-opacity"));
if (isNaN(fillOpacity)) {
fillOpacity = 1.0;
}
var strokeOpacity = parseFloat(selectedElement.getAttribute("stroke-opacity"));
if (isNaN(strokeOpacity)) {
strokeOpacity = 1.0;
}
// update fill color and opacity
var fillColor = selectedElement.getAttribute("fill")||"none";
// prevent undo on these canvas changes
svgCanvas.setFillColor(fillColor, true);
svgCanvas.setFillOpacity(fillOpacity, true);
// update stroke color and opacity
var strokeColor = selectedElement.getAttribute("stroke")||"none";
// prevent undo on these canvas changes
svgCanvas.setStrokeColor(strokeColor, true);
svgCanvas.setStrokeOpacity(strokeOpacity, true);
fillOpacity *= 100;
strokeOpacity *= 100;
var getPaint = function(color, opac) {
// update the editor's fill paint
var opts = null;
if (color.substr(0,5) == "url(#") {
opts = {
alpha: opac,
linearGradient: document.getElementById(color.substr(5,color.length-6))
};
}
else if (color.substr(0,1) == "#") {
opts = {
alpha: opac,
solidColor: color.substr(1)
};
}
return new $.jGraduate.Paint(opts);
}
fillPaint = getPaint(fillColor, fillOpacity);
strokePaint = getPaint(strokeColor, strokeOpacity);
fillOpacity = fillOpacity + " %";
strokeOpacity = strokeOpacity + " %";
// update fill color
if (fillColor == "none") {
fillOpacity = "N/A";
}
document.getElementById("gradbox_fill").parentNode.firstChild.setAttribute("fill", fillColor);
if (strokeColor == null || strokeColor == "" || strokeColor == "none") {
strokeColor = "none";
strokeOpacity = "N/A";
}
// update the rect inside #fill_color
document.getElementById("gradbox_stroke").parentNode.firstChild.setAttribute("fill", strokeColor);
$('#fill_opacity').html(fillOpacity);
$('#stroke_opacity').html(strokeOpacity);
$('#group_opacity').val(((selectedElement.getAttribute("opacity")||1.0)*100)+" %");
$('#stroke_width').val(selectedElement.getAttribute("stroke-width")||1);
$('#stroke_style').val(selectedElement.getAttribute("stroke-dasharray")||"none");
}
updateToolButtonState();
};
// updates the context panel tools based on the selected element
var updateContextPanel = function() {
var elem = selectedElement;
var currentLayer = svgCanvas.getCurrentLayer();
// No need to update anything else in rotate mode
if (svgCanvas.getMode() == 'rotate' && elem != null) {
$('#angle').val(svgCanvas.getRotationAngle(elem));
return;
}
var is_node = elem ? (elem.id && elem.id.indexOf('polypointgrip') == 0) : false;
$('#selected_panel, #multiselected_panel, #g_panel, #rect_panel, #circle_panel,\
#ellipse_panel, #line_panel, #text_panel, #image_panel, #poly_node_panel').hide();
if (elem != null) {
$('#angle').val(svgCanvas.getRotationAngle(elem));
if(!is_node) {
$('#selected_panel').show();
} else {
$('#poly_node_panel').show();
var point = svgCanvas.getNodePoint();
if(point) {
var seg_type = $('#seg_type');
$('#poly_node_x').val(point.x);
$('#poly_node_y').val(point.y);
if(point.type) {
seg_type.val(point.type).removeAttr('disabled');
} else {
seg_type.val(4).attr('disabled','disabled');
}
}
return;
}
// update contextual tools here
var panels = {
g: [],
rect: ['radius','x','y','width','height'],
image: ['x','y','width','height'],
circle: ['cx','cy','r'],
ellipse: ['cx','cy','rx','ry'],
line: ['x1','y1','x2','y2'],
text: ['x','y']
};
var el_name = elem.tagName;
if(panels[el_name]) {
var cur_panel = panels[el_name];
$('#' + el_name + '_panel').show();
$.each(cur_panel, function(i, item) {
$('#' + el_name + '_' + item).val(elem.getAttribute(item) || 0);
});
if(el_name == 'text') {
$('#text_panel').css("display", "inline");
if (svgCanvas.getItalic()) {
$('#tool_italic').addClass('tool_button_current');
}
else {
$('#tool_italic').removeClass('tool_button_current');
}
if (svgCanvas.getBold()) {
$('#tool_bold').addClass('tool_button_current');
}
else {
$('#tool_bold').removeClass('tool_button_current');
}
$('#font_family').val(elem.getAttribute("font-family"));
$('#font_size').val(elem.getAttribute("font-size"));
$('#text').val(elem.textContent);
if (svgCanvas.addedNew) {
$('#text').focus().select();
}
} // text
else if(el_name == 'image') {
var xlinkNS="http://www.w3.org/1999/xlink";
$('#image_url').val(elem.getAttributeNS(xlinkNS, "href"));
} // image
}
} // if (elem != null)
else if (multiselected) {
$('#multiselected_panel').show();
}
// update history buttons
if (svgCanvas.getUndoStackSize() > 0) {
$('#tool_undo').removeClass( 'tool_button_disabled');
}
else {
$('#tool_undo').addClass( 'tool_button_disabled');
}
if (svgCanvas.getRedoStackSize() > 0) {
$('#tool_redo').removeClass( 'tool_button_disabled');
}
else {
$('#tool_redo').addClass( 'tool_button_disabled');
}
svgCanvas.addedNew = false;
if ( (elem && !is_node) || multiselected) {
// update the selected elements' layer
$('#selLayerNames')[0].removeAttribute('disabled');
var opts = $('#selLayerNames option');
for (var i = 0; i < opts.length; ++i) {
var opt = opts[i];
if (currentLayer == opt.textContent) {
opt.setAttribute('selected', 'selected');
}
else {
opt.removeAttribute('selected');
}
}
}
else {
$('#selLayerNames')[0].setAttribute('disabled', 'disabled');
}
};
$('#text').focus( function(){ textBeingEntered = true; } );
$('#text').blur( function(){ textBeingEntered = false; } );
// bind the selected event to our function that handles updates to the UI
svgCanvas.bind("selected", selectedChanged);
svgCanvas.bind("changed", elementChanged);
svgCanvas.bind("saved", saveHandler);
svgCanvas.bind("zoomed", zoomChanged);
var str = '<div class="palette_item" style="background-image: url(\'images/none.png\');" data-rgb="none"></div>'
$.each(palette, function(i,item){
str += '<div class="palette_item" style="background-color: ' + item + ';" data-rgb="' + item + '"></div>';
});
$('#palette').append(str);
var pos = $('#tools_rect_show').position();
$('#tools_rect').css({'left': pos.left+4, 'top': pos.top+77});
pos = $('#tools_ellipse_show').position();
$('#tools_ellipse').css({'left': pos.left+4, 'top': pos.top+77});
var changeRectRadius = function(ctl) {
svgCanvas.setRectRadius(ctl.value);
}
var changeStrokeWidth = function(ctl) {
var val = ctl.value;
if(val == 0 && selectedElement && $.inArray(selectedElement.nodeName, ['line', 'polyline']) != -1) {
val = ctl.value = 1;
}
svgCanvas.setStrokeWidth(val);
}
var changeRotationAngle = function(ctl) {
svgCanvas.setRotationAngle(ctl.value);
}
var changeZoom = function(ctl) {
var zoomlevel = ctl.value / 100;
var res = svgCanvas.getResolution();
// Hack to increase properly from 10%
if(res.zoom < zoomlevel && res.zoom == .1) $('#zoom').val(50);
setResolution(res.w * zoomlevel, res.h * zoomlevel, true);
svgCanvas.setZoom(zoomlevel);
}
$('#stroke_style').change(function(){
svgCanvas.setStrokeStyle(this.options[this.selectedIndex].value);
});
// Lose focus for select elements when changed (Allows keyboard shortcuts to work better)
$('select').change(function(){$(this).blur();});
$('#group_opacity').change(function(){
svgCanvas.setOpacity(this.options[this.selectedIndex].value);
});
// fired when user wants to move elements to another layer
$('#selLayerNames').change(function(){
var destLayer = this.options[this.selectedIndex].value;
// TODO: localize this prompt
if (destLayer && confirm('Move selected elements to layer \'' + destLayer + '\'?')) {
svgCanvas.moveSelectedToLayer(destLayer);
svgCanvas.clearSelection();
}
});
$('#font_size').change(function(){
svgCanvas.setFontSize(this.options[this.selectedIndex].value);
});
$('#font_family').change(function(){
svgCanvas.setFontFamily(this.options[this.selectedIndex].value);
});
$('#seg_type').change(function() {
svgCanvas.setSegType($(this).val());
});
$('#text').keyup(function(){
svgCanvas.setTextContent(this.value);
});
$('#image_url').keyup(function(){
svgCanvas.setImageURL(this.value);
});
$('.attr_changer').change(function() {
var attr = this.getAttribute("data-attr");
var val = this.value;
var valid = false;
if($.inArray(attr, length_attrs) != -1) {
if(!isNaN(val)) {
valid = true;
} else {
//TODO: Allow the values in length_types, then uncomment this:
// val = val.toLowerCase();
// $.each(length_types, function(i, unit) {
// if(valid) return;
// var re = new RegExp('^-?[\\d\\.]+' + unit + '$');
// if(re.test(val)) valid = true;
// });
}
} else valid = true;
if(!valid) {
// TODO: localize this
alert('Invalid value given for' + $(this).attr('title').replace('Change','')
+ '.');
this.value = selectedElement.getAttribute(attr);
return false;
}
svgCanvas.changeSelectedAttribute(attr, val);
});
// Prevent selection of elements when shift-clicking
$('#palette').mouseover(function() {
var inp = $('<input type="hidden">');
$(this).append(inp);
inp.focus().remove();
});
$('.palette_item').click(function(evt){
var picker = (evt.shiftKey ? "stroke" : "fill");
var id = (evt.shiftKey ? '#stroke_' : '#fill_');
var color = $(this).attr('data-rgb');
var rectbox = document.getElementById("gradbox_"+picker).parentNode.firstChild;
var paint = null;
// Webkit-based browsers returned 'initial' here for no stroke
if (color == 'transparent' || color == 'initial') {
color = 'none';
$(id + "opacity").html("N/A");
paint = new $.jGraduate.Paint();
}
else {
paint = new $.jGraduate.Paint({alpha: 100, solidColor: color.substr(1)});
}
rectbox.setAttribute("fill", color);
if (evt.shiftKey) {
strokePaint = paint;
if (svgCanvas.getStrokeColor() != color) {
svgCanvas.setStrokeColor(color);
}
if (color != 'none' && svgCanvas.getStrokeOpacity() != 1) {
svgCanvas.setStrokeOpacity(1.0);
$("#stroke_opacity").html("100 %");
}
} else {
fillPaint = paint;
if (svgCanvas.getFillColor() != color) {
svgCanvas.setFillColor(color);
}
if (color != 'none' && svgCanvas.getFillOpacity() != 1) {
svgCanvas.setFillOpacity(1.0);
$("#fill_opacity").html("100 %");
}
}
updateToolButtonState();
});
// This is a common function used when a tool has been clicked (chosen)
// It does several common things:
// - removes the tool_button_current class from whatever tool currently has it
// - hides any flyouts
// - adds the tool_button_current class to the button passed in
var toolButtonClick = function(button, fadeFlyouts) {
if ($(button).hasClass('tool_button_disabled')) return false;
var fadeFlyouts = fadeFlyouts || 'normal';
$('.tools_flyout').fadeOut(fadeFlyouts);
$('#styleoverrides').text('');
$('.tool_button_current').removeClass('tool_button_current').addClass('tool_button');
$(button).addClass('tool_button_current');
// when a tool is selected, we should deselect any currently selected elements
svgCanvas.clearSelection();
return true;
};
var setZoomOpts = function() {
var button = $('#zoom_dropdown button');
var list = $('#zoom_dropdown ul');
var on_button = false;
$('#zoom_dropdown li').bind('mouseup',function() {
var item = $(this);
var val = item.attr('data-val');
var res = svgCanvas.getResolution();
var scrbar = 15;
if(val) {
var w_area = $('#workarea');
var z_info = svgCanvas.setBBoxZoom(val, w_area.width()-scrbar, w_area.height()-scrbar);
if(!z_info) return;
var zoomlevel = z_info.zoom;
var bb = z_info.bbox;
$('#zoom').val(zoomlevel*100);
setResolution(res.w * zoomlevel, res.h * zoomlevel);
var scrLeft = bb.x * zoomlevel;
var scrOffX = w_area.width()/2 - (bb.width * zoomlevel)/2;
w_area[0].scrollLeft = Math.max(0,scrLeft - scrOffX);
var scrTop = bb.y * zoomlevel;
var scrOffY = w_area.height()/2 - (bb.height * zoomlevel)/2;
w_area[0].scrollTop = Math.max(0,scrTop - scrOffY);
} else {
var percent = parseInt(item.text());
$('#zoom').val(percent);
var zoomlevel = percent/100;
setResolution(res.w * zoomlevel, res.h * zoomlevel, true);
svgCanvas.setZoom(zoomlevel);
}
});
$().mouseup(function() {
if(!on_button) {
button.removeClass('down');
list.hide();
}
on_button = false;
});
button.bind('mousedown',function() {
if (!button.hasClass('down')) {
button.addClass('down');
list.show();
on_button = true;
} else {
button.removeClass('down');
list.hide();
}
}).hover(function() {
on_button = true;
}).mouseout(function() {
on_button = false;
});
};
setZoomOpts();
var clickSelect = function() {
if (toolButtonClick('#tool_select')) {
svgCanvas.setMode('select');
$('#styleoverrides').text('#svgcanvas svg *{cursor:move;pointer-events:all}, #svgcanvas svg{cursor:default}');
}
};
var clickPath = function() {
if (toolButtonClick('#tool_path')) {
svgCanvas.setMode('path');
}
};
var clickLine = function() {
if (toolButtonClick('#tool_line')) {
svgCanvas.setMode('line');
}
};
var clickSquare = function(){
if (toolButtonClick('#tools_rect_show', flyoutspeed)) {
flyoutspeed = 'normal';
svgCanvas.setMode('square');
}
$('#tools_rect_show').attr('src', 'images/square.png');
};
var clickRect = function(){
if (toolButtonClick('#tools_rect_show')) {
svgCanvas.setMode('rect');
}
$('#tools_rect_show').attr('src', 'images/rect.png');
};
var clickImage = function(){
if (toolButtonClick('#tool_image')) {
svgCanvas.setMode('image');
}
};
var clickZoom = function(){
if (toolButtonClick('#tool_zoom')) {
$('#workarea').css('cursor','crosshair');
svgCanvas.setMode('zoom');
}
};
var dblclickZoom = function(){
if (toolButtonClick('#tool_zoom')) {
var res = svgCanvas.getResolution();
setResolution(res.w, res.h);
$('#zoom').val(100);
svgCanvas.setZoom(1);
setSelectMode();
}
};
var clickFHRect = function(){
if (toolButtonClick('#tools_rect_show')) {
svgCanvas.setMode('fhrect');
}
$('#tools_rect_show').attr('src', 'images/freehand-square.png');
};
var clickCircle = function(){
if (toolButtonClick('#tools_ellipse_show', flyoutspeed)) {
flyoutspeed = 'normal';
svgCanvas.setMode('circle');
}
$('#tools_ellipse_show').attr('src', 'images/circle.png');
};
var clickEllipse = function(){
if (toolButtonClick('#tools_ellipse_show')) {
svgCanvas.setMode('ellipse');
}
$('#tools_ellipse_show').attr('src', 'images/ellipse.png');
};
var clickFHEllipse = function(){
if (toolButtonClick('#tools_ellipse_show')) {
svgCanvas.setMode('fhellipse');
}
$('#tools_ellipse_show').attr('src', 'images/freehand-circle.png');
};
var clickText = function(){
toolButtonClick('#tool_text');
svgCanvas.setMode('text');
};
var clickPoly = function(){
toolButtonClick('#tool_poly');
svgCanvas.setMode('poly');
};
// Delete is a contextual tool that only appears in the ribbon if
// an element has been selected
var deleteSelected = function() {
if (selectedElement != null || multiselected) {
svgCanvas.deleteSelectedElements();
}
};
var moveToTopSelected = function() {
if (selectedElement != null) {
svgCanvas.moveToTopSelectedElement();
}
};
var moveToBottomSelected = function() {
if (selectedElement != null) {
svgCanvas.moveToBottomSelectedElement();
}
};
var moveSelected = function(dx,dy) {
if (selectedElement != null || multiselected) {
svgCanvas.moveSelectedElements(dx,dy);
}
};
var clonePolyNode = function() {
if (svgCanvas.getNodePoint()) {
svgCanvas.clonePolyNode();
}
};
var deletePolyNode = function() {
if (svgCanvas.getNodePoint()) {
svgCanvas.deletePolyNode();
}
};
var selectNext = function() {
svgCanvas.cycleElement(1);
}
var selectPrev = function() {
svgCanvas.cycleElement(0);
}
var rotateSelected = function(cw) {
if (selectedElement == null || multiselected) return;
var step = 5;
if(!cw) step *= -1;
var new_angle = $('#angle').val()*1 + step;
svgCanvas.setRotationAngle(new_angle);
}
var clickClear = function(){
// TODO: localize this prompt
if( confirm('Do you want to clear the drawing?\nThis will also erase your undo history!') ) {
svgCanvas.clear();
updateContextPanel();
}
};
var clickBold = function(){
svgCanvas.setBold( !svgCanvas.getBold() );
updateContextPanel();
};
var clickItalic = function(){
svgCanvas.setItalic( !svgCanvas.getItalic() );
updateContextPanel();
};
var clickSave = function(){
svgCanvas.save();
};
var clickOpen = function(){
svgCanvas.open();
};
var clickUndo = function(){
if (svgCanvas.getUndoStackSize() > 0) {
svgCanvas.undo();
populateLayers();
}
};
var clickRedo = function(){
if (svgCanvas.getRedoStackSize() > 0) {
svgCanvas.redo();
populateLayers();
}
};
var clickGroup = function(){
// group
if (multiselected) {
svgCanvas.groupSelectedElements();
}
// ungroup
else {
svgCanvas.ungroupSelectedElement();
}
};
var clickClone = function(){
svgCanvas.cloneSelectedElements();
};
var clickAlignLeft = function(){
svgCanvas.alignSelectedElements('l', $('#align_relative_to option:selected').val() );
};
var clickAlignCenter = function(){
svgCanvas.alignSelectedElements('c', $('#align_relative_to option:selected').val() );
};
var clickAlignRight = function(){
svgCanvas.alignSelectedElements('r', $('#align_relative_to option:selected').val() );
};
var clickAlignTop = function(){
svgCanvas.alignSelectedElements('t', $('#align_relative_to option:selected').val() );
};
var clickAlignMiddle = function(){
svgCanvas.alignSelectedElements('m', $('#align_relative_to option:selected').val() );
};
var clickAlignBottom = function(){
svgCanvas.alignSelectedElements('b', $('#align_relative_to option:selected').val() );
};
var zoomImage = function(zoomIn) {
var res = svgCanvas.getResolution();
var multiplier = zoomIn? res.zoom * 2 : res.zoom * 0.5;
setResolution(res.w * multiplier, res.h * multiplier, true);
$('#zoom').val(multiplier * 100);
svgCanvas.setZoom(multiplier);
};
var showSourceEditor = function(){
if (editingsource) return;
editingsource = true;
var str = svgCanvas.getSvgString();
$('#svg_source_textarea').val(str);
$('#svg_source_editor').fadeIn();
properlySourceSizeTextArea();
$('#svg_source_textarea').focus();
};
var showDocProperties = function(){
if (docprops) return;
docprops = true;
// update resolution option with actual resolution
// TODO: what if SVG source is changed?
var res = svgCanvas.getResolution();
$('#canvas_width').val(res.w);
$('#canvas_height').val(res.h);
$('#svg_docprops').fadeIn();
};
var properlySourceSizeTextArea = function(){
// TODO: remove magic numbers here and get values from CSS
var height = $('#svg_source_container').height() - 80;
$('#svg_source_textarea').css('height', height);
};
var saveSourceEditor = function(){
if (!editingsource) return;
if (!svgCanvas.setSvgString($('#svg_source_textarea').val())) {
// TODO: localize this prompt
if( !confirm('There were parsing errors in your SVG source.\nRevert back to original SVG source?') ) {
return false;
}
}
svgCanvas.clearSelection();
hideSourceEditor();
populateLayers();
};
var saveDocProperties = function(){
// update resolution
var x = parseInt($('#canvas_width').val());
var y = parseInt($('#canvas_height').val());
if(isNaN(x) || isNaN(y)) {
x ='fit';
}
if(!svgCanvas.setResolution(x,y)) {
alert('No content to fit to');
return false;
}
hideDocProperties();
};
var cancelOverlays = function() {
if (!editingsource && !docprops) return;
if (editingsource) {
var oldString = svgCanvas.getSvgString();
if (oldString != $('#svg_source_textarea').val()) {
// TODO: localize this prompt
if( !confirm('Ignore changes made to SVG source?') ) {
return false;
}
}
hideSourceEditor();
}
else if (docprops) {
hideDocProperties();
}
};
var hideSourceEditor = function(){
$('#svg_source_editor').hide();
editingsource = false;
$('#svg_source_textarea').blur();
};
var hideDocProperties = function(){
$('#svg_docprops').hide();
$('#canvas_width,#canvas_height').removeAttr('disabled');
$('#resolution')[0].selectedIndex = 0;
docprops = false;
};
// TODO: add canvas-centering code in here
$(window).resize(function(evt) {
if (!editingsource) return;
properlySourceSizeTextArea();
});
$('#tool_select').click(clickSelect);
$('#tool_path').click(clickPath);
$('#tool_line').click(clickLine);
$('#tool_square').mouseup(clickSquare);
$('#tool_rect').mouseup(clickRect);
$('#tool_fhrect').mouseup(clickFHRect);
$('#tool_circle').mouseup(clickCircle);
$('#tool_ellipse').mouseup(clickEllipse);
$('#tool_fhellipse').mouseup(clickFHEllipse);
$('#tool_image').mouseup(clickImage);
$('#tool_zoom').mouseup(clickZoom);
$('#tool_zoom').dblclick(dblclickZoom);
$('#tool_text').click(clickText);
$('#tool_poly').click(clickPoly);
$('#tool_clear').click(clickClear);
$('#tool_save').click(clickSave);
$('#tool_open').click(clickOpen);
$('#tool_source').click(showSourceEditor);
$('#tool_source_cancel,#svg_source_overlay,#tool_docprops_cancel').click(cancelOverlays);
$('#tool_source_save').click(saveSourceEditor);
$('#tool_docprops_save').click(saveDocProperties);
$('#tool_docprops').click(showDocProperties);
$('#tool_delete').click(deleteSelected);
$('#tool_delete_multi').click(deleteSelected);
$('#tool_node_clone').click(clonePolyNode);
$('#tool_node_delete').click(deletePolyNode);
$('#tool_move_top').click(moveToTopSelected);
$('#tool_move_bottom').click(moveToBottomSelected);
$('#tool_undo').click(clickUndo);
$('#tool_redo').click(clickRedo);
$('#tool_clone').click(clickClone);
$('#tool_clone_multi').click(clickClone);
$('#tool_group').click(clickGroup);
$('#tool_ungroup').click(clickGroup);
$('#tool_alignleft').click(clickAlignLeft);
$('#tool_aligncenter').click(clickAlignCenter);
$('#tool_alignright').click(clickAlignRight);
$('#tool_aligntop').click(clickAlignTop);
$('#tool_alignmiddle').click(clickAlignMiddle);
$('#tool_alignbottom').click(clickAlignBottom);
// these two lines are required to make Opera work properly with the flyout mechanism
$('#tools_rect_show').click(clickSquare);
$('#tools_ellipse_show').click(clickCircle);
$('#tool_bold').mousedown(clickBold);
$('#tool_italic').mousedown(clickItalic);
// added these event handlers for all the push buttons so they
// behave more like buttons being pressed-in and not images
function setPushButtons() {
var toolnames = ['clear','open','save','source','delete','delete_multi','paste','clone','clone_multi','move_top','move_bottom'];
var all_tools = '';
var cur_class = 'tool_button_current';
$.each(toolnames, function(i,item) {
all_tools += '#tool_' + item + (i==toolnames.length-1?',':'');
});
$(all_tools).mousedown(function() {
$(this).addClass(cur_class);
}).bind('mousedown mouseout', function() {
$(this).removeClass(cur_class);
});
$('#tool_undo, #tool_redo').mousedown(function(){
if (!$(this).hasClass('tool_button_disabled')) $(this).addClass(cur_class);
}).bind('mousedown mouseout',function(){
$(this).removeClass(cur_class);}
);
}
setPushButtons();
// switch modifier key in tooltips if mac
// NOTE: This code is not used yet until I can figure out how to successfully bind ctrl/meta
// in Opera and Chrome
if (isMac) {
var shortcutButtons = ["tool_clear", "tool_save", "tool_source", "tool_undo", "tool_redo", "tool_clone"];
var i = shortcutButtons.length;
while (i--) {
var button = document.getElementById(shortcutButtons[i]);
var title = button.title;
var index = title.indexOf("Ctrl+");
button.title = [title.substr(0,index), "Cmd+", title.substr(index+5)].join('');
}
}
// do keybindings using jquery-hotkeys plugin
function setKeyBindings() {
var keys = [
['1', clickSelect],
['2', clickPath],
['3', clickLine],
['Shift+4', clickSquare],
['4', clickRect],
['Shift+5', clickCircle],
['5', clickEllipse],
['6', clickText],
['7', clickPoly],
['8', clickImage],
[modKey+'N', function(evt){clickClear();evt.preventDefault();}],
[modKey+'S', function(evt){editingsource?saveSourceEditor():clickSave();evt.preventDefault();}],
[modKey+'O', function(evt){clickOpen();evt.preventDefault();}],
['del', function(evt){deleteSelected();evt.preventDefault();}],
['backspace', function(evt){deleteSelected();evt.preventDefault();}],
['shift+up', moveToTopSelected],
['shift+down', moveToBottomSelected],
['shift+left', function(){rotateSelected(0)}],
['shift+right', function(){rotateSelected(1)}],
['shift+O', selectPrev],
['shift+P', selectNext],
['ctrl+up', function(evt){zoomImage(true);evt.preventDefault();}],
['ctrl+down', function(evt){zoomImage();evt.preventDefault();}],
['up', function(evt){moveSelected(0,-1);evt.preventDefault();}],
['down', function(evt){moveSelected(0,1);evt.preventDefault();}],
['left', function(evt){moveSelected(-1,0);evt.preventDefault();}],
['right', function(evt){moveSelected(1,0);evt.preventDefault();}],
[modKey+'z', function(evt){clickUndo();evt.preventDefault();}],
[modKey+'y', function(evt){clickRedo();evt.preventDefault();}],
[modKey+'u', function(evt){showSourceEditor();evt.preventDefault();}],
[modKey+'i', function(evt){showDocProperties();evt.preventDefault();}],
[modKey+'c', function(evt){clickClone();evt.preventDefault();}],
[modKey+'g', function(evt){clickGroup();evt.preventDefault();}],
[modKey+'x', function(evt){toggleSidePanel();}],
['esc', cancelOverlays, false],
];
$.each(keys,function(i,item) {
var disable = !(item.length > 2 && !item[2]);
$(document).bind('keydown', {combi:item[0], disableInInput: disable}, item[1]);
});
$('.attr_changer').bind('keydown', {combi:'return', disableInInput: false},
function(evt) {$(this).change();evt.preventDefault();}
);
}
setKeyBindings();
// TODO: go back to the color boxes having white background-color and then setting
// background-image to none.png (otherwise partially transparent gradients look weird)
var colorPicker = function(elem) {
var picker = elem.attr('id') == 'stroke_color' ? 'stroke' : 'fill';
var opacity = (picker == 'stroke' ? $('#stroke_opacity') : $('#fill_opacity'));
var paint = (picker == 'stroke' ? strokePaint : fillPaint);
var title = (picker == 'stroke' ? 'Pick a Stroke Paint and Opacity' : 'Pick a Fill Paint and Opacity');
var was_none = false;
if (paint.type == "none") {
// if it was none, then set to solid white
paint = new $.jGraduate.Paint({solidColor: 'ffffff'});
was_none = true;
}
var pos = elem.position();
$("#color_picker")
.draggable({cancel:'.jPicker_table,.jGraduate_lgPick'})
.css({'left': pos.left, 'bottom': 50 - pos.top})
.jGraduate(
{
paint: paint,
window: { pickerTitle: title },
images: { clientPath: "jgraduate/images/" },
},
function(p) {
paint = new $.jGraduate.Paint(p);
var oldgrad = document.getElementById("gradbox_"+picker);
var svgbox = oldgrad.parentNode;
var rectbox = svgbox.firstChild;
if (paint.type == "linearGradient") {
svgbox.removeChild(oldgrad);
var newgrad = svgbox.appendChild(document.importNode(paint.linearGradient, true));
newgrad.id = "gradbox_"+picker;
rectbox.setAttribute("fill", "url(#gradbox_" + picker + ")");
}
else {
rectbox.setAttribute("fill", "#" + paint.solidColor);
}
opacity.html(paint.alpha + " %");
if (picker == 'stroke') {
svgCanvas.setStrokePaint(paint, true);
}
else {
svgCanvas.setFillPaint(paint, true);
}
updateToolbar();
$('#color_picker').hide();
},
function(p) {
$('#color_picker').hide();
});
};
var updateToolButtonState = function() {
var bNoFill = (svgCanvas.getFillColor() == 'none');
var bNoStroke = (svgCanvas.getStrokeColor() == 'none');
var buttonsNeedingStroke = [ '#tool_path', '#tool_line' ];
var buttonsNeedingFillAndStroke = [ '#tools_rect_show', '#tools_ellipse_show', '#tool_text' ];
if (bNoStroke) {
for (index in buttonsNeedingStroke) {
var button = buttonsNeedingStroke[index];
if ($(button).hasClass('tool_button_current')) {
clickSelect();
}
$(button).removeClass('tool_button').addClass('tool_button_disabled');
}
}
else {
for (index in buttonsNeedingStroke) {
var button = buttonsNeedingStroke[index];
$(button).removeClass('tool_button_disabled').addClass('tool_button');
}
}
if (bNoStroke && bNoFill) {
for (index in buttonsNeedingFillAndStroke) {
var button = buttonsNeedingFillAndStroke[index];
if ($(button).hasClass('tool_button_current')) {
clickSelect();
}
$(button).removeClass('tool_button').addClass('tool_button_disabled');
}
}
else {
for (index in buttonsNeedingFillAndStroke) {
var button = buttonsNeedingFillAndStroke[index];
$(button).removeClass('tool_button_disabled').addClass('tool_button');
}
}
};
// set up gradients to be used for the buttons
var svgdocbox = new DOMParser().parseFromString(
'<svg xmlns="http://www.w3.org/2000/svg"><rect width="100%" height="100%" fill="#FF0000"/>\
<linearGradient id="gradbox_">\
<stop stop-color="#000" offset="0.0"/>\
<stop stop-color="#FF0000" offset="1.0"/>\
</linearGradient></svg>', 'text/xml');
var boxgrad = svgdocbox.getElementById('gradbox_');
boxgrad.id = 'gradbox_fill';
$('#fill_color').append( document.importNode(svgdocbox.documentElement,true) );
boxgrad.id = 'gradbox_stroke';
$(svgdocbox.documentElement.firstChild).attr('fill', '#000000');
$('#stroke_color').append( document.importNode(svgdocbox.documentElement,true) );
$('#fill_color').click(function(){
colorPicker($(this));
updateToolButtonState();
});
$('#stroke_color').click(function(){
colorPicker($(this));
updateToolButtonState();
});
$('#tools_rect_show').mousedown(function(evt){
$('#tools_rect').show();
// this prevents the 'image drag' behavior in Firefox
evt.preventDefault();
});
$('#tools_rect').mouseleave(function(){$('#tools_rect').fadeOut();});
$('#tool_move_top').mousedown(function(evt){
$('#tools_stacking').show();
evt.preventDefault();
});
$('#tools_ellipse_show').mousedown(function(evt){
$('#tools_ellipse').show();
// this prevents the 'image drag' behavior in Firefox
evt.preventDefault();
});
$('#tools_ellipse').mouseleave(function() {$('#tools_ellipse').fadeOut();});
$('.tool_flyout_button').mouseover(function() {
$(this).addClass('tool_flyout_button_current');
}).mouseout(function() {
$(this).removeClass('tool_flyout_button_current');
});
$('.layer_button').mousedown(function() {
$(this).addClass('layer_buttonpressed');
}).mouseout(function() {
$(this).removeClass('layer_buttonpressed');
}).mouseup(function() {
$(this).removeClass('layer_buttonpressed');
});
$('#layer_new').click(function() {
var curNames = new Array(svgCanvas.getNumLayers());
for (var i = 0; i < curNames.length; ++i) { curNames[i] = svgCanvas.getLayer(i); }
var j = (curNames.length+1);
var uniqName = "Layer " + j;
while (jQuery.inArray(uniqName, curNames) != -1) {
j++;
uniqName = "Layer " + j;
}
// TODO: localize this
var newName = prompt("Please enter a unique layer name",uniqName);
if (!newName) return;
if (jQuery.inArray(newName, curNames) != -1) {
alert("There is already a layer named that!");
return;
}
svgCanvas.createLayer(newName);
updateContextPanel();
populateLayers();
$('#layerlist tr.layer').removeClass("layersel");
$('#layerlist tr.layer:first').addClass("layersel");
});
$('#layer_delete').click(function() {
if (svgCanvas.deleteCurrentLayer()) {
updateContextPanel();
populateLayers();
// This matches what SvgCanvas does
// TODO: make this behavior less brittle (svg-editor should get which
// layer is selected from the canvas and then select that one in the UI)
$('#layerlist tr.layer').removeClass("layersel");
$('#layerlist tr.layer:first').addClass("layersel");
}
});
$('#layer_up').click(function() {
// find index position of selected option
var curIndex = $('#layerlist tr.layersel').prevAll().length;
if (curIndex > 0) {
var total = $('#layerlist tr.layer').length;
curIndex--;
svgCanvas.setCurrentLayerPosition(total-curIndex-1);
populateLayers();
$('#layerlist tr.layer').removeClass("layersel");
$('#layerlist tr.layer:eq('+curIndex+')').addClass("layersel");
}
});
$('#layer_down').click(function() {
// find index position of selected option
var curIndex = $('#layerlist tr.layersel').prevAll().length;
var total = $('#layerlist tr.layer').length;
if (curIndex < total-1) {
curIndex++;
svgCanvas.setCurrentLayerPosition(total-curIndex-1);
populateLayers();
$('#layerlist tr.layer').removeClass("layersel");
$('#layerlist tr.layer:eq('+curIndex+')').addClass("layersel");
}
});
$('#layer_rename').click(function() {
var curIndex = $('#layerlist tr.layersel').prevAll().length;
var oldName = $('#layerlist tr.layersel td.layername').text();
// TODO: localize this
var newName = prompt("Please enter the new layer name","");
if (!newName) return;
if (oldName == newName) {
alert("Layer already has that name");
return;
}
var curNames = new Array(svgCanvas.getNumLayers());
for (var i = 0; i < curNames.length; ++i) { curNames[i] = svgCanvas.getLayer(i); }
if (jQuery.inArray(newName, curNames) != -1) {
alert("There is already a layer named that!");
return;
}
svgCanvas.renameCurrentLayer(newName);
populateLayers();
$('#layerlist tr.layer').removeClass("layersel");
$('#layerlist tr.layer:eq('+curIndex+')').addClass("layersel");
});
var sidedrag = -1;
$('#sidepanel_handle')
.mousedown(function(evt) {sidedrag = evt.pageX;})
.mouseup(function(evt) {sidedrag = -1;});
// TODO: is there a better way to do this splitter without attaching mouse handlers here?
$('#svg_editor')
.mouseup(function(){sidedrag=-1;})
.mousemove(function(evt) {
if (sidedrag == -1) return;
var deltax = sidedrag - evt.pageX;
if (deltax == 0) return;
sidedrag = evt.pageX;
var sidewidth = parseInt($('#sidepanels').css('width'))+deltax;
if (sidewidth <= 130 && sidewidth >= 2) {
var workarea = $('#workarea');
var sidepanels = $('#sidepanels');
var layerpanel = $('#layerpanel');
workarea.css('right', parseInt(workarea.css('right'))+deltax);
sidepanels.css('width', parseInt(sidepanels.css('width'))+deltax);
layerpanel.css('width', parseInt(layerpanel.css('width'))+deltax);
centerCanvasIfNeeded();
}
});
// if width is non-zero, then fully close it, otherwise fully open it
var toggleSidePanel = function(){
var w = parseInt($('#sidepanels').css('width'));
var deltax = (w > 2 ? 2 : 130) - w;
var workarea = $('#workarea');
var sidepanels = $('#sidepanels');
var layerpanel = $('#layerpanel');
workarea.css('right', parseInt(workarea.css('right'))+deltax);
sidepanels.css('width', parseInt(sidepanels.css('width'))+deltax);
layerpanel.css('width', parseInt(layerpanel.css('width'))+deltax);
centerCanvasIfNeeded();
};
var populateLayers = function(){
var layerlist = $('#layerlist tbody');
var selLayerNames = $('#selLayerNames');
layerlist.empty();
selLayerNames.empty();
var layer = svgCanvas.getNumLayers();
// we get the layers in the reverse z-order (the layer rendered on top is listed first)
while (layer--) {
var name = svgCanvas.getLayer(layer);
// contenteditable=\"true\"
if (svgCanvas.getLayerVisibility(name)) {
layerlist.append("<tr class=\"layer\"><td class=\"layervis\"/><td class=\"layername\" >" + name + "</td></tr>");
}
else {
layerlist.append("<tr class=\"layer\"><td class=\"layervis layerinvis\"/><td class=\"layername\" >" + name + "</td></tr>");
}
selLayerNames.append("<option values=\"" + name + "\">" + name + "</option>");
}
// if we only have one layer, then always make sure that layer is selected
// (This is really only required upon first initialization)
if (layerlist.size() == 1) {
$('#layerlist tr:first').addClass("layersel");
}
// handle selection of layer
$('#layerlist td.layername').click(function(evt){
$('#layerlist tr.layer').removeClass("layersel");
var row = $(this.parentNode);
row.addClass("layersel");
svgCanvas.setCurrentLayer(this.textContent);
evt.preventDefault();
});
$('#layerlist td.layervis').click(function(evt){
var row = $(this.parentNode).prevAll().length;
var name = $('#layerlist tr.layer:eq(' + row + ') td.layername').text();
var vis = $(this).hasClass('layerinvis');
svgCanvas.setLayerVisibility(name, vis);
if (vis) {
$(this).removeClass('layerinvis');
}
else {
$(this).addClass('layerinvis');
}
});
// if there were too few rows, let's add a few to make it not so lonely
var num = 5 - $('#layerlist tr.layer').size();
while (num-- > 0) {
// FIXME: there must a better way to do this
layerlist.append("<tr><td style=\"color:white\">_</td><td/></tr>");
}
};
populateLayers();
function changeResolution(x,y) {
var zoom = svgCanvas.getResolution().zoom;
setResolution(x * zoom, y * zoom);
}
var centerCanvasIfNeeded = function() {
// this centers the canvas in the workarea if it's small enough
var wa = {w: parseInt($('#workarea').css('width')),
h: parseInt($('#workarea').css('height'))};
var ca = {w: parseInt($('#svgcanvas').css('width')),
h: parseInt($('#svgcanvas').css('height'))};
if (wa.w > ca.w) {
$('#svgcanvas').css({'left': (wa.w-ca.w)/2});
}
if (wa.h > ca.h) {
$('#svgcanvas').css({'top': (wa.h-ca.h)/2});
}
};
$(window).resize( centerCanvasIfNeeded );
function stepZoom(elem, step) {
var orig_val = elem.value-0;
var sug_val = orig_val + step;
if(orig_val >= 100) {
return sug_val;
} else {
if(sug_val >= orig_val) {
return orig_val * 2;
} else {
return orig_val / 2;
}
}
}
function setResolution(w, h, center) {
w-=0; h-=0;
$('#svgcanvas').css( { 'width': w, 'height': h } );
$('#canvas_width').val(w);
$('#canvas_height').val(h);
centerCanvasIfNeeded();
var res = svgCanvas.getResolution();
if(center) {
var w_area = $('#workarea');
// console.log(w_area[0].scrollLeft); // 1677
// console.log('w',w_area.width()); // 875 // zoom: 4.67
// Want: 1942 (+265)
var scroll_y = h/2 - w_area.height()/2;
var scroll_x = w/2 - w_area.width()/2;
w_area[0].scrollTop = scroll_y;
w_area[0].scrollLeft = scroll_x;
}
}
$('#resolution').change(function(){
var wh = $('#canvas_width,#canvas_height');
if(!this.selectedIndex) {
if($('#canvas_width').val() == 'fit') {
wh.removeAttr("disabled").val(100);
}
} else if(this.value == 'content') {
wh.val('fit').attr("disabled","disabled");
} else {
var dims = this.value.split('x');
$('#canvas_width').val(dims[0]);
$('#canvas_height').val(dims[1]);
wh.removeAttr("disabled");
}
});
//Prevent browser from erroneously repopulating fields
$('input,select').attr("autocomplete","off");
$('#rect_rx').SpinButton({ min: 0, max: 1000, step: 1, callback: changeRectRadius });
$('#stroke_width').SpinButton({ min: 0, max: 99, step: 1, callback: changeStrokeWidth });
$('#angle').SpinButton({ min: -180, max: 180, step: 5, callback: changeRotationAngle });
$('#zoom').SpinButton({ min: 0.1, max: 10000, step: 50, stepfunc: stepZoom, callback: changeZoom });
svgCanvas.setCustomHandlers = function(opts) {
if(opts.open) {
$('#tool_open').show();
svgCanvas.bind("opened", opts.open);
}
if(opts.save) {
svgCanvas.bind("saved", opts.save);
}
}
// set starting resolution (centers canvas)
setResolution(640,480);
return svgCanvas;
};
// This happens when the page is loaded
$(function() {
put_locale();
svgCanvas = svg_edit_setup();
try{
window.addEventListener("message", function(e){
try{
e.source.postMessage(eval(e.data), e.origin);
}catch(err){
e.source.postMessage("error:"+err.message, e.origin);
}
}, false)
}catch(err){}
});