539 lines
17 KiB
JavaScript
539 lines
17 KiB
JavaScript
/**
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* ext-placemark.js
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*
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*
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* @copyright 2010 CloudCanvas, Inc. All rights reserved
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*
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*/
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export default {
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name: 'placemark',
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async init (S) {
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const svgEditor = this;
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const svgCanvas = svgEditor.canvas;
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const addElem = svgCanvas.addSVGElementFromJson;
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const {$, importLocale} = S; // {svgcontent},
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let
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selElems,
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// editingitex = false,
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// svgdoc = S.svgroot.parentNode.ownerDocument,
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started,
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newPM;
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// edg = 0,
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// newFOG, newFOGParent, newDef, newImageName, newMaskID,
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// undoCommand = 'Not image',
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// modeChangeG, ccZoom, wEl, hEl, wOffset, hOffset, ccRgbEl, brushW, brushH;
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const strings = await importLocale();
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const markerTypes = {
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nomarker: {},
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forwardslash:
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{element: 'path', attr: {d: 'M30,100 L70,0'}},
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reverseslash:
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{element: 'path', attr: {d: 'M30,0 L70,100'}},
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verticalslash:
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{element: 'path', attr: {d: 'M50,0 L50,100'}},
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xmark:
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{element: 'path', attr: {d: 'M20,80 L80,20 M80,80 L20,20'}},
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leftarrow:
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{element: 'path', attr: {d: 'M0,50 L100,90 L70,50 L100,10 Z'}},
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rightarrow:
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{element: 'path', attr: {d: 'M100,50 L0,90 L30,50 L0,10 Z'}},
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box:
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{element: 'path', attr: {d: 'M20,20 L20,80 L80,80 L80,20 Z'}},
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star:
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{element: 'path', attr: {d: 'M10,30 L90,30 L20,90 L50,10 L80,90 Z'}},
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mcircle:
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{element: 'circle', attr: {r: 30, cx: 50, cy: 50}},
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triangle:
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{element: 'path', attr: {d: 'M10,80 L50,20 L80,80 Z'}}
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};
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// duplicate shapes to support unfilled (open) marker types with an _o suffix
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['leftarrow', 'rightarrow', 'box', 'star', 'mcircle', 'triangle'].forEach((v) => {
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markerTypes[v + '_o'] = markerTypes[v];
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});
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/**
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*
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* @param {boolean} on
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* @returns {void}
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*/
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function showPanel (on) {
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$('#placemark_panel').toggle(on);
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}
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/**
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* @param {Element} elem - A graphic element will have an attribute like marker-start
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* @param {"marker-start"|"marker-mid"|"marker-end"} attr
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* @returns {Element} The marker element that is linked to the graphic element
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*/
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function getLinked (elem, attr) {
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if (!elem) { return null; }
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const str = elem.getAttribute(attr);
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if (!str) { return null; }
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// const m = str.match(/\(#(?<id>.+)\)/);
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// if (!m || !m.groups.id) {
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const m = str.match(/\(#(.*)\)/);
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if (!m || m.length !== 2) {
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return null;
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}
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return svgCanvas.getElem(m[1]);
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// return svgCanvas.getElem(m.groups.id);
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}
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/**
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* Called when text is changed.
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* @param {string} txt
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* @returns {void}
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*/
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function updateText (txt) {
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const items = txt.split(';');
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selElems.forEach((elem) => {
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if (elem && elem.getAttribute('class').includes('placemark')) {
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$(elem).children().each((_, i) => {
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const [, , type, n] = i.id.split('_');
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if (type === 'txt') {
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$(i).text(items[n]);
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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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* Called when font is changed.
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* @param {string} font
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* @returns {void}
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*/
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function updateFont (font) {
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font = font.split(' ');
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const fontSize = parseInt(font.pop());
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font = font.join(' ');
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selElems.forEach((elem) => {
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if (elem && elem.getAttribute('class').includes('placemark')) {
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$(elem).children().each((_, i) => {
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const [, , type] = i.id.split('_');
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if (type === 'txt') {
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$(i).attr({'font-family': font, 'font-size': fontSize});
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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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* @param {string} id
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* @param {""|"\\nomarker"|"nomarker"|"leftarrow"|"rightarrow"|"textmarker"|"textmarker_top"|"textmarker_bottom"|"forwardslash"|"reverseslash"|"verticalslash"|"box"|"star"|"xmark"|"triangle"|"mcircle"} val
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* @returns {SVGMarkerElement}
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*/
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function addMarker (id, val) {
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let marker = svgCanvas.getElem(id);
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if (marker) { return undefined; }
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// console.log(id);
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if (val === '' || val === 'nomarker') { return undefined; }
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const color = svgCanvas.getColor('stroke');
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// NOTE: Safari didn't like a negative value in viewBox
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// so we use a standardized 0 0 100 100
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// with 50 50 being mapped to the marker position
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const scale = 2;// parseFloat($('#marker_size').val());
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const strokeWidth = 10;
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let refX = 50;
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const refY = 50;
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const viewBox = '0 0 100 100';
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const markerWidth = 5 * scale;
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const markerHeight = 5 * scale;
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const seType = val;
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if (!markerTypes[seType]) { return undefined; } // an unknown type!
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// positional markers(arrows) at end of line
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if (seType.includes('left')) refX = 0;
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if (seType.includes('right')) refX = 100;
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// create a generic marker
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marker = addElem({
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element: 'marker',
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attr: {
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id,
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markerUnits: 'strokeWidth',
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orient: 'auto',
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style: 'pointer-events:none',
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class: seType
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}
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});
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const mel = addElem(markerTypes[seType]);
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const fillcolor = (seType.substr(-2) === '_o')
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? 'none'
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: color;
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mel.setAttribute('fill', fillcolor);
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mel.setAttribute('stroke', color);
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mel.setAttribute('stroke-width', strokeWidth);
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marker.append(mel);
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marker.setAttribute('viewBox', viewBox);
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marker.setAttribute('markerWidth', markerWidth);
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marker.setAttribute('markerHeight', markerHeight);
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marker.setAttribute('refX', refX);
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marker.setAttribute('refY', refY);
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svgCanvas.findDefs().append(marker);
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return marker;
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}
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/**
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* @param {Element} el
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* @param {string} val
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* @returns {void}
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*/
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function setMarker (el, val) {
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const markerName = 'marker-start';
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const marker = getLinked(el, markerName);
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if (marker) { $(marker).remove(); }
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el.removeAttribute(markerName);
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if (val === 'nomarker') {
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svgCanvas.call('changed', [el]);
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return;
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}
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// Set marker on element
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const id = 'placemark_marker_' + el.id;
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addMarker(id, val);
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el.setAttribute(markerName, 'url(#' + id + ')');
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svgCanvas.call('changed', [el]);
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}
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/**
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* Called when the main system modifies an object. This routine changes
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* the associated markers to be the same color.
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* @param {Element} el
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* @returns {void}
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*/
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function colorChanged (el) {
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const color = el.getAttribute('stroke');
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const marker = getLinked(el, 'marker-start');
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// console.log(marker);
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if (!marker) { return; }
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if (!marker.attributes.class) { return; } // not created by this extension
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const ch = marker.lastElementChild;
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if (!ch) { return; }
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const curfill = ch.getAttribute('fill');
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const curstroke = ch.getAttribute('stroke');
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if (curfill && curfill !== 'none') { ch.setAttribute('fill', color); }
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if (curstroke && curstroke !== 'none') { ch.setAttribute('stroke', color); }
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}
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/**
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* Called when the main system creates or modifies an object.
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* Its primary purpose is to create new markers for cloned objects.
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* @param {Element} el
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* @returns {void}
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*/
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function updateReferences (el) {
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const id = 'placemark_marker_' + el.id;
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const markerName = 'marker-start';
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const marker = getLinked(el, markerName);
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if (!marker || !marker.attributes.class) { return; } // not created by this extension
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const url = el.getAttribute(markerName);
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if (url) {
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const len = el.id.length;
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const linkid = url.substr(-len - 1, len);
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if (el.id !== linkid) {
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const val = $('#placemark_marker').attr('value') || 'leftarrow';
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addMarker(id, val);
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svgCanvas.changeSelectedAttribute(markerName, 'url(#' + id + ')');
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svgCanvas.call('changed', selElems);
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}
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}
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}
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/**
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* @param {Event} ev
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* @returns {void}
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*/
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function setArrowFromButton (ev) {
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const parts = this.id.split('_');
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let val = parts[2];
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if (parts[3]) { val += '_' + parts[3]; }
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$('#placemark_marker').attr('value', val);
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}
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/**
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* @param {"nomarker"|"leftarrow"|"rightarrow"|"textmarker"|"forwardslash"|"reverseslash"|"verticalslash"|"box"|"star"|"xmark"|"triangle"|"mcircle"} id
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* @returns {string}
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*/
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function getTitle (id) {
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const {langList} = strings;
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const item = langList.find((itm) => {
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return itm.id === id;
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});
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return item ? item.title : id;
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}
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/**
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* Build the toolbar button array from the marker definitions.
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* @param {module:SVGEditor.Button[]} buttons
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* @returns {module:SVGEditor.Button[]}
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*/
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function addMarkerButtons (buttons) {
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Object.keys(markerTypes).forEach(function (id) {
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const title = getTitle(String(id));
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buttons.push({
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id: 'placemark_marker_' + id,
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svgicon: id,
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icon: svgEditor.curConfig.extIconsPath + 'markers-' + id + '.png',
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title,
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type: 'context',
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events: {click: setArrowFromButton},
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panel: 'placemark_panel',
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list: 'placemark_marker',
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isDefault: id === 'leftarrow'
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});
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});
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return buttons;
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}
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const buttons = [{
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id: 'tool_placemark',
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icon: svgEditor.curConfig.extIconsPath + 'placemark.png',
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type: 'mode',
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position: 12,
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events: {
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click () {
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showPanel(true);
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svgCanvas.setMode('placemark');
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}
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}
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}];
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const contextTools = [
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{
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type: 'button-select',
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panel: 'placemark_panel',
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id: 'placemark_marker',
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colnum: 3,
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events: {change: setArrowFromButton}
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},
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{
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type: 'input',
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panel: 'placemark_panel',
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id: 'placemarkText',
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size: 20,
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defval: '',
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events: {
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change () {
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updateText(this.value);
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}
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}
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}, {
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type: 'input',
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panel: 'placemark_panel',
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id: 'placemarkFont',
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size: 7,
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defval: 'Arial 10',
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events: {
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change () {
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updateFont(this.value);
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}
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}
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}
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];
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return {
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name: strings.name,
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svgicons: svgEditor.curConfig.extIconsPath + 'placemark-icons.xml',
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buttons: addMarkerButtons(strings.buttons.map((button, i) => {
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return Object.assign(buttons[i], button);
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})),
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context_tools: strings.contextTools.map((contextTool, i) => {
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return Object.assign(contextTools[i], contextTool);
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}),
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callback () {
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$('#placemark_panel').hide();
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// const endChanges = function(){};
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},
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mouseDown (opts) {
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// const rgb = svgCanvas.getColor('fill');
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const sRgb = svgCanvas.getColor('stroke');
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const sWidth = svgCanvas.getStrokeWidth();
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if (svgCanvas.getMode() === 'placemark') {
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started = true;
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const id = svgCanvas.getNextId();
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const items = $('#placemarkText').val().split(';');
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let font = $('#placemarkFont').val().split(' ');
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const fontSize = parseInt(font.pop());
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font = font.join(' ');
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const x0 = opts.start_x + 10, y0 = opts.start_y + 10;
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let maxlen = 0;
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const children = [{
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element: 'line',
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attr: {
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id: id + '_pline_0',
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fill: 'none',
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stroke: sRgb,
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'stroke-width': sWidth,
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'stroke-linecap': 'round',
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x1: opts.start_x,
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y1: opts.start_y,
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x2: x0,
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y2: y0
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}
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}];
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items.forEach((i, n) => {
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maxlen = Math.max(maxlen, i.length);
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children.push({
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element: 'line',
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attr: {
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id: id + '_tline_' + n,
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fill: 'none',
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stroke: sRgb,
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'stroke-width': sWidth,
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'stroke-linecap': 'round',
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x1: x0,
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y1: y0 + (fontSize + 6) * n,
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x2: x0 + i.length * fontSize * 0.5 + fontSize,
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y2: y0 + (fontSize + 6) * n
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}
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});
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children.push({
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element: 'text',
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attr: {
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id: id + '_txt_' + n,
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fill: sRgb,
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stroke: 'none',
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'stroke-width': 0,
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x: x0 + 3,
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y: y0 - 3 + (fontSize + 6) * n,
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'font-family': font,
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'font-size': fontSize,
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'text-anchor': 'start'
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},
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children: [i]
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});
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});
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if (items.length > 0) {
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children.push({
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element: 'line',
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attr: {
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id: id + '_vline_0',
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fill: 'none',
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stroke: sRgb,
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'stroke-width': sWidth,
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'stroke-linecap': 'round',
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x1: x0,
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y1: y0,
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x2: x0,
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y2: y0 + (fontSize + 6) * (items.length - 1)
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}
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});
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}
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newPM = svgCanvas.addSVGElementFromJson({
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element: 'g',
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attr: {
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id,
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class: 'placemark',
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fontSize,
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maxlen,
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lines: items.length,
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x: opts.start_x,
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y: opts.start_y,
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px: opts.start_x,
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py: opts.start_y
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},
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children
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});
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setMarker(
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newPM.firstElementChild,
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$('#placemark_marker').attr('value') || 'leftarrow'
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);
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return {
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started: true
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};
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}
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return undefined;
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},
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mouseMove (opts) {
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if (!started) {
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return undefined;
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}
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if (svgCanvas.getMode() === 'placemark') {
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const x = opts.mouse_x / svgCanvas.getZoom();
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const y = opts.mouse_y / svgCanvas.getZoom();
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const {fontSize, maxlen, lines, px, py} = $(newPM).attr(
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['fontSize', 'maxlen', 'lines', 'px', 'py']
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);
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$(newPM).attr({x, y});
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$(newPM).children().each((_, i) => {
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const [, , type, n] = i.id.split('_');
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const y0 = y + (fontSize + 6) * n,
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x0 = x + maxlen * fontSize * 0.5 + fontSize;
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const nx = (x + (x0 - x) / 2 < px) ? x0 : x;
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const ny = (y + ((fontSize + 6) * (lines - 1)) / 2 < py)
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? y + (fontSize + 6) * (lines - 1)
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: y;
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if (type === 'pline') {
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i.setAttribute('x2', nx);
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i.setAttribute('y2', ny);
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}
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if (type === 'tline') {
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i.setAttribute('x1', x);
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i.setAttribute('y1', y0);
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i.setAttribute('x2', x0);
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i.setAttribute('y2', y0);
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}
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if (type === 'vline') {
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i.setAttribute('x1', nx);
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i.setAttribute('y1', y);
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i.setAttribute('x2', nx);
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i.setAttribute('y2', y + (fontSize + 6) * (lines - 1));
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}
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if (type === 'txt') {
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i.setAttribute('x', x + fontSize / 2);
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i.setAttribute('y', y0 - 3);
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}
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});
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return {
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started: true
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};
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}
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return undefined;
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},
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mouseUp () {
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if (svgCanvas.getMode() === 'placemark') {
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const {x, y, px, py} = $(newPM).attr(['x', 'y', 'px', 'py']);
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return {
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keep: (x != px && y != py), // eslint-disable-line eqeqeq
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element: newPM
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};
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}
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return undefined;
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},
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selectedChanged (opts) {
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// Use this to update the current selected elements
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selElems = opts.elems;
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selElems.forEach((elem) => {
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if (elem && elem.getAttribute('class').includes('placemark')) {
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const txt = [];
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$(elem).children().each((n, i) => {
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const [, , type] = i.id.split('_');
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if (type === 'txt') {
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$('#placemarkFont').val(
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i.getAttribute('font-family') + ' ' + i.getAttribute('font-size')
|
|
);
|
|
txt.push($(i).text());
|
|
}
|
|
});
|
|
$('#placemarkText').val(txt.join(';'));
|
|
showPanel(true);
|
|
} else {
|
|
showPanel(false);
|
|
}
|
|
});
|
|
},
|
|
elementChanged (opts) {
|
|
opts.elems.forEach((elem) => {
|
|
if (elem.id.includes('pline_0')) { // need update marker of pline_0
|
|
colorChanged(elem);
|
|
updateReferences(elem);
|
|
}
|
|
});
|
|
}
|
|
};
|
|
}
|
|
};
|