svgedit/dist/editor/system/extensions/ext-markers/ext-markers.js

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/**
			 * @file ext-markers.js
			 *
			 * @license Apache-2.0
			 *
			 * @copyright 2010 Will Schleter based on ext-arrows.js by Copyright(c) 2010 Alexis Deveria
			 *
			 * This extension provides for the addition of markers to the either end
			 * or the middle of a line, polyline, path, polygon.
			 *
			 * Markers may be either a graphic or arbitary text
			 *
			 * to simplify the coding and make the implementation as robust as possible,
			 * markers are not shared - every object has its own set of markers.
			 * this relationship is maintained by a naming convention between the
			 * ids of the markers and the ids of the object
			 *
			 * The following restrictions exist for simplicty of use and programming
			 *    objects and their markers to have the same color
			 *    marker size is fixed
			 *    text marker font, size, and attributes are fixed
			 *    an application specific attribute - se_type - is added to each marker element
			 *        to store the type of marker
			 *
			 * @todo
			 *    remove some of the restrictions above
			 *    add option for keeping text aligned to horizontal
			 *    add support for dimension extension lines
			 *
			*/t("default",{name:"markers",init:function init(t){var e=this;return _asyncToGenerator(regeneratorRuntime.mark((function _callee3(){var r,n,o,i,a,c,u,l,s,f,p,h,d,v,y,g,m,b,w,x,S,_,k,E,O,A,j;return regeneratorRuntime.wrap((function _callee3$(P){for(;;)switch(P.prev=P.next){case 0:return A=function _buildButtonList(){var t=[];return i.each(u,(function(e,r){var n=r+"_marker_list",o=!0;Object.keys(f).forEach((function(e){var i=O(String(e));t.push({id:s+r+"_"+e,svgicon:e,icon:"markers-"+e+".png",title:i,type:"context",events:{click:k},panel:"marker_panel",list:n,isDefault:o}),o=!1}))})),t},O=function _getTitle(t){var e=o.langList.find((function(e){return e.id===t}));return e?e.title:t},E=function _setArrowFromButton3(){return(E=_asyncToGenerator(regeneratorRuntime.mark((function _callee2(t){var e,r,n;return regeneratorRuntime.wrap((function _callee2$(t){for(;;)switch(t.prev=t.next){case 0:if(e=this.id.split("_"),r=e[1],n=e[2],e[3]&&(n+="_"+e[3]),"textmarker"===n){t.next=8;break}x(r,"\\"+n),t.next=10;break;case 8:return t.next=10,S(r);case 10:case"end":return t.stop()}}),_callee2,this)})))).apply(this,arguments)},k=function _setArrowFromButton2(t){return E.apply(this,arguments)},_=function _showTextPrompt3(){return(_=_asyncToGenerator(regeneratorRuntime.mark((function _callee(t){var e,r;return regeneratorRuntime.wrap((function _callee$(n){for(;;)switch(n.prev=n.next){case 0:return"\\"===(e=i("#"+t+"_marker").val()).substr(0,1)&&(e=""),n.next=4,i.prompt("Enter text for "+t+" marker",e);case 4:(r=n.sent)&&x(t,r);case 6:case"end":return n.stop()}}),_callee)})))).apply(this,arguments)},S=function _showTextPrompt2(t){return _.apply(this,arguments)},x=function _triggerTextEntry(t,e){i("#"+t+"_marker").val(e),i("#"+t+"_marker").change()},w=function _updateReferences(t){i.each(u,(function(e,r){var n=l+r+"_"+t.id,o="marker-"+r,c=p(t,o);if(c&&c.attributes.se_type){var u=t.getAttribute(o);if(u){var s=t.id.length,f=u.substr(-s-1,s);if(t.id!==f){var h=i("#"+r+"_marker").attr("value");y(n,h),a.changeSelectedAttribute(o,"url(#"+n+")"),"line"===t.tagName&&"mid"===r&&(t=g(t)),a.call("changed",d)}}}}))},b=function _colorChanged(t){var e=t.getAttribute("stroke");i.each(u,(function(r,n){var o=p(t,"marker-"+n);if(o&&o.attributes.se_type){var i=o.lastElementChild;if(i){var a=i.getAttribute("fill"),c=i.getAttribute("stroke");a&&"none"!==a&&i.setAttribute("fill",e),c&&"none"!==c&&i.setAttribute("stroke",e)}}}))},m=function _setMarker(){var t={start_marker:"start",mid_marker:"mid",end_marker:"end"}[this.id],e="marker-"+t,r=d[0],n=p(r,e);n&&i(n).remove(),r.removeAttribute(e);var o=this.value;if(""===o&&(o="\\nomarker"),"\\nomarker"===o)return h(t,o),void a.call("changed",d);var c=l+t+"_"+r.id;y(c,o),a.changeSelectedAttribute(e,"url(#"+c+")"),"line"===r.tagName&&"mid"===t&&g(r),a.call("changed",d),h(t,o)},g=function _convertline(e){if("line"!==e.tagName)return e;var r=Number(e.getAttribute("x1")),n=Number(e.getAttribute("x2")),o=Number(e.getAttribute("y1")),l=Number(e.getAttribute("y2")),s=e.id,f=c({element:"polyline",attr:{points:r+","+o+(" "+(r+n)/2+","+(o+l)/2+" ")+n+","+l,stroke:e.getAttribute("stroke"),"stroke-width":e.getAttribute("stroke-width"),fill:"none",opacity:e.getAttribute("opacity")||1}});i.each(u,(function(t,r){var n="marker-"+r;e.getAttribute(n)&&f.setAttribute(n,e.getAttribute(n))}));var p=new t.BatchCommand;return p.addSubCommand(new t.RemoveElementCommand(e,e.parentNode)),p.addSubCommand(new t.InsertElementCommand(f)),i(e).after(f).remove(),a.clearSelection(),f.id=s,a.addToSelection([f]),t.addCommandToHistory(p),f},y=function _addMarker(t,e){var r=a.getElem(t);if(!r&&""!==e&&"\\nomarker"!==e){var n,o=d[0].getAttribute("stroke"),i=50,u=50,l="0 0 100 100",s=5,p=5;if(n="\\"===e.substr(0,1)?e.substr(1):"textmarker",f[n]){if(r=c({element:"marker",attr:{id:t,markerUnits:"strokeWidth",orient:"auto",style:"pointer-events:none",se_type:n}}),"textmarker"!==n){var h=c(f[n]),v="_o"===n.substr(-2)?"none":o;h.setAttribute("fill",v),h.setAttribute("stroke",o),h.setAttribute("stroke-width",10),r.append(h)}else{var y=c(f[n]);y.textContent=e;var