187 lines
3.7 KiB
JavaScript
187 lines
3.7 KiB
JavaScript
/*
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* ext-arrows.js
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*
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* Licensed under the Apache License, Version 2
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*
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* Copyright(c) 2010 Alexis Deveria
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*
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*/
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$(function() {
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svgCanvas.addExtension("Arrows", function(S) {
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var svgcontent = S.svgcontent,
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addElem = S.addSvgElementFromJson,
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selElems;
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var lang_list = {
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"en":[
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{"id": "arrow_none", "textContent": "No arrow" }
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],
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"fr":[
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{"id": "arrow_none", "textContent": "Sans flèche" }
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]
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};
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function showPanel(on) {
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$('#arrow_panel').toggle(on);
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if(on) {
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var el = selElems[0];
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var end = el.getAttribute("marker-end");
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var start = el.getAttribute("marker-start");
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var mid = el.getAttribute("marker-mid");
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var val;
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if(end && start) {
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val = "both";
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} else if(end) {
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val = "end";
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} else if(start) {
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val = "start";
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} else if(mid) {
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val = "mid";
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if(mid.indexOf("bk") != -1) {
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val = "mid_bk";
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}
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}
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if(!start && !mid && !end) {
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val = "none";
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}
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$("#arrow_list").val(val);
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}
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}
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function resetMarker() {
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var el = selElems[0];
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el.removeAttribute("marker-start");
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el.removeAttribute("marker-mid");
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el.removeAttribute("marker-end");
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}
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function addMarker(id, type) {
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// TODO: Make marker (or use?) per arrow type, since refX can be different
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var marker = S.getElem(id);
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var pathdata = {
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se_arrow_fw: {d:"m0,0l10,5l-10,5l5,-5l-5,-5z", refx:8},
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se_arrow_bk: {d:"m10,0l-10,5l10,5l-5,-5l5,-5z", refx:2}
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}
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var data = pathdata[id];
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if(type == "mid") {
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data.refx = 5;
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}
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if(!marker) {
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marker = addElem({
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"element": "marker",
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"attr": {
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"viewBox": "0 0 10 10",
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"id": id,
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"refY": 5,
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"markerUnits": "strokeWidth",
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"markerWidth": 5,
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"markerHeight": 5,
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"orient": "auto"
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}
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});
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var arrow = addElem({
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"element": "path",
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"attr": {
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"d": data.d,
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"fill": "#000"
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}
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});
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marker.appendChild(arrow);
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S.findDefs().appendChild(marker);
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}
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marker.setAttribute('refX', data.refx);
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}
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function setArrow() {
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var type = this.value;
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resetMarker();
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if(type == "none") {
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return;
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}
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var fw_id = "se_arrow_fw";
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var bk_id = "se_arrow_bk";
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// Set marker on element
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var id = fw_id;
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if(type == "mid_bk") {
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type = "mid";
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id = bk_id;
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} else if(type == "both") {
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addMarker(bk_id, type);
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svgCanvas.changeSelectedAttribute("marker-start", "url(#" + bk_id + ")");
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type = "end";
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id = fw_id;
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} else if (type == "start") {
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id = bk_id;
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}
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addMarker(id, type);
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svgCanvas.changeSelectedAttribute("marker-"+type, "url(#" + id + ")");
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S.call("changed", selElems);
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}
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return {
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name: "Arrows",
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context_tools: [{
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type: "select",
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panel: "arrow_panel",
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title: "Select arrow type",
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id: "arrow_list",
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options: {
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none: "No arrow",
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end: "---->",
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start: "<----",
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both: "<--->",
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mid: "-->--",
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mid_bk: "--<--"
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},
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defval: "none",
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events: {
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change: setArrow
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}
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}],
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callback: function() {
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$('#arrow_panel').hide();
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},
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addLangData: function(lang) {
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return {
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data: lang_list[lang]
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};
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},
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selectedChanged: function(opts) {
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// Use this to update the current selected elements
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selElems = opts.elems;
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var i = selElems.length;
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var marker_elems = ['line','path','polyline','polygon'];
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while(i--) {
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var elem = selElems[i];
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if(elem && $.inArray(elem.tagName, marker_elems) != -1) {
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if(opts.selectedElement && !opts.multiselected) {
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showPanel(true);
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} else {
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showPanel(false);
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}
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} else {
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showPanel(false);
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}
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}
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}
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};
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});
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});
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