svgedit/editor/extensions/ext-placemark.js

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2019-01-18 05:55:08 +00:00
/**
* ext-placemark.js
*
*
* @copyright 2010 CloudCanvas, Inc. All rights reserved
*
*/
export default {
name: 'placemark',
async init (S) {
const svgEditor = this;
const svgCanvas = svgEditor.canvas;
const addElem = svgCanvas.addSVGElementFromJson;
const {$, importLocale} = S; // {svgcontent},
let
selElems,
// editingitex = false,
// svgdoc = S.svgroot.parentNode.ownerDocument,
started,
newPM;
// edg = 0,
// newFOG, newFOGParent, newDef, newImageName, newMaskID,
// undoCommand = 'Not image',
// modeChangeG, ccZoom, wEl, hEl, wOffset, hOffset, ccRgbEl, brushW, brushH;
const strings = await importLocale();
const markerTypes = {
nomarker: {},
forwardslash:
{element: 'path', attr: {d: 'M30,100 L70,0'}},
reverseslash:
{element: 'path', attr: {d: 'M30,0 L70,100'}},
verticalslash:
{element: 'path', attr: {d: 'M50,0 L50,100'}},
xmark:
{element: 'path', attr: {d: 'M20,80 L80,20 M80,80 L20,20'}},
leftarrow:
{element: 'path', attr: {d: 'M0,50 L100,90 L70,50 L100,10 Z'}},
rightarrow:
{element: 'path', attr: {d: 'M100,50 L0,90 L30,50 L0,10 Z'}},
box:
{element: 'path', attr: {d: 'M20,20 L20,80 L80,80 L80,20 Z'}},
star:
{element: 'path', attr: {d: 'M10,30 L90,30 L20,90 L50,10 L80,90 Z'}},
mcircle:
{element: 'circle', attr: {r: 30, cx: 50, cy: 50}},
triangle:
{element: 'path', attr: {d: 'M10,80 L50,20 L80,80 Z'}},
};
// duplicate shapes to support unfilled (open) marker types with an _o suffix
['leftarrow', 'rightarrow', 'box', 'star', 'mcircle', 'triangle'].forEach((v) => {
markerTypes[v + '_o'] = markerTypes[v];
});
/**
*
* @param {boolean} on
* @returns {undefined}
*/
function showPanel (on) {
$('#placemark_panel').toggle(on);
}
/**
* @param {Element} elem - A graphic element will have an attribute like marker-start
* @param {"marker-start"|"marker-mid"|"marker-end"} attr
* @returns {Element} The marker element that is linked to the graphic element
*/
function getLinked (elem, attr) {
if (!elem) { return null; }
const str = elem.getAttribute(attr);
if (!str) { return null; }
const m = str.match(/\(#(.*)\)/);
if (!m || m.length !== 2) {
return null;
}
return svgCanvas.getElem(m[1]);
}
/**
*
* @param {string} attr
* @param {string|Float} val
* @returns {undefined}
*/
function setAttr (attr, val) {
svgCanvas.changeSelectedAttribute(attr, val);
svgCanvas.call('changed', selElems);
}
/**
* @param {string} id
* @param {""|"\\nomarker"|"nomarker"|"leftarrow"|"rightarrow"|"textmarker"|"textmarker_top"|"textmarker_bottom"|"forwardslash"|"reverseslash"|"verticalslash"|"box"|"star"|"xmark"|"triangle"|"mcircle"} val
* @returns {undefined}
*/
function addMarker (id, val) {
let marker = svgCanvas.getElem(id);
if (marker) { return undefined; }
//console.log(id);
if (val === '' || val === 'nomarker') { return undefined; }
const color = svgCanvas.getColor('stroke');
// NOTE: Safari didn't like a negative value in viewBox
// so we use a standardized 0 0 100 100
// with 50 50 being mapped to the marker position
const scale = 2;//parseFloat($('#marker_size').val());
const strokeWidth = 10;
let refX = 50;
let refY = 50;
let viewBox = '0 0 100 100';
let markerWidth = 5*scale;
let markerHeight = 5*scale;
let seType = val;
if (!markerTypes[seType]) { return undefined; } // an unknown type!
//positional markers(arrows) at end of line
if (seType.includes('left'))refX=0;
if (seType.includes('right'))refX=100;
// create a generic marker
marker = addElem({
element: 'marker',
attr: {
id,
markerUnits: 'strokeWidth',
orient: 'auto',
style: 'pointer-events:none',
class: seType
}
});
const mel = addElem(markerTypes[seType]);
const fillcolor = (seType.substr(-2) === '_o')
? 'none'
: color;
mel.setAttribute('fill', fillcolor);
mel.setAttribute('stroke', color);
mel.setAttribute('stroke-width', strokeWidth);
marker.append(mel);
marker.setAttribute('viewBox', viewBox);
marker.setAttribute('markerWidth', markerWidth);
marker.setAttribute('markerHeight', markerHeight);
marker.setAttribute('refX', refX);
marker.setAttribute('refY', refY);
svgCanvas.findDefs().append(marker);
return marker;
}
/**
*
* @returns {undefined}
*/
function setMarker (el, val) {
const markerName = 'marker-start';
const marker = getLinked(el, markerName);
if (marker) { $(marker).remove(); }
el.removeAttribute(markerName);
if (val === 'nomarker') {
svgCanvas.call('changed', [el]);
return;
}
// Set marker on element
const id = 'placemark_marker_' + el.id;
addMarker(id, val);
el.setAttribute(markerName, 'url(#' + id + ')');
svgCanvas.call('changed', [el]);
}
/**
* Called when the main system modifies an object. This routine changes
* the associated markers to be the same color.
* @param {Element} elem
* @returns {undefined}
*/
function colorChanged (elem) {
const color = elem.getAttribute('stroke');
const marker = getLinked(elem, 'marker-start');
if (!marker) { return; }
if (!marker.attributes.class) { return; } // not created by this extension
const ch = marker.lastElementChild;
if (!ch) { return; }
const curfill = ch.getAttribute('fill');
const curstroke = ch.getAttribute('stroke');
if (curfill && curfill !== 'none') { ch.setAttribute('fill', color); }
if (curstroke && curstroke !== 'none') { ch.setAttribute('stroke', color); }
}
/**
* Called when the main system creates or modifies an object.
* Its primary purpose is to create new markers for cloned objects.
* @param {Element} el
* @returns {undefined}
*/
function updateReferences (el) {
const id = placemark_marker_ + el.id;
const markerName = 'marker-start';
const marker = getLinked(el, markerName);
if (!marker || !marker.attributes.class) { return; } // not created by this extension
const url = el.getAttribute(markerName);
if (url) {
const len = el.id.length;
const linkid = url.substr(-len - 1, len);
if (el.id !== linkid) {
const val = $('#placemark_marker').attr('value') || 'leftarrow';
addMarker(id, val);
svgCanvas.changeSelectedAttribute(markerName, 'url(#' + id + ')');
if (el.tagName === 'line' && pos === 'mid') { el = convertline(el); }
svgCanvas.call('changed', selElems);
}
}
}
/**
* @param {Event} ev
* @returns {Promise} Resolves to `undefined`
*/
async function setArrowFromButton (ev) {
const parts = this.id.split('_');
let val = parts[2];
if (parts[3]) { val += '_' + parts[3]; }
$("#placemark_marker").attr("value",val);
}
/**
* @param {"nomarker"|"leftarrow"|"rightarrow"|"textmarker"|"forwardslash"|"reverseslash"|"verticalslash"|"box"|"star"|"xmark"|"triangle"|"mcircle"} id
* @returns {undefined}
*/
function getTitle (id) {
const {langList} = strings;
const item = langList.find((itm) => {
return itm.id === id;
});
return item ? item.title : id;
}
/**
* Build the toolbar button array from the marker definitions.
* @returns {module:SVGEditor.Button[]}
*/
function addMarkerButtons (buttons) {
Object.keys(markerTypes).forEach(function (id) {
const title = getTitle(String(id));
buttons.push({
id: 'placemark_marker_' + id,
svgicon: id,
icon: svgEditor.curConfig.extIconsPath + 'markers-' + id + '.png',
title,
type: 'context',
events: {click: setArrowFromButton},
panel: 'placemark_panel',
list: 'placemark_marker',
isDefault: id=='leftarrow'
});
});
return buttons;
}
const buttons = [{
id: 'tool_placemark',
icon: svgEditor.curConfig.extIconsPath + 'placemark.png',
type: 'mode',
position: 12,
events: {
click () {
showPanel(true);
svgCanvas.setMode('placemark');
}
}
}];
const contextTools = [
{
type: 'button-select',
panel: 'placemark_panel',
id: 'placemark_marker',
colnum: 3,
events: {change: setArrowFromButton}
},
{
type: 'input',
panel: 'placemark_panel',
id: 'placemarkText',
size: 20,
defval: '',
events: {
change () {
//setAttr('text', this.value);
}
}
}, {
type: 'input',
panel: 'placemark_panel',
id: 'placemarkFont',
size: 10,
defval: 'Arial 10',
events: {
change () {
//setAttr('untext', this.value);
}
}
}
];
return {
name: strings.name,
svgicons: svgEditor.curConfig.extIconsPath + 'placemark-icons.xml',
buttons: addMarkerButtons(strings.buttons.map((button, i)=> Object.assign(buttons[i], button))),
context_tools: strings.contextTools.map((contextTool, i) => Object.assign(contextTools[i], contextTool)),
callback () {
$('#placemark_panel').hide();
// const endChanges = function(){};
},
mouseDown (opts) {
const rgb = svgCanvas.getColor('fill');
// const ccRgbEl = rgb.substring(1, rgb.length);
const sRgb = svgCanvas.getColor('stroke');
// const ccSRgbEl = sRgb.substring(1, rgb.length);
const sWidth = svgCanvas.getStrokeWidth();
if (svgCanvas.getMode() === 'placemark') {
started = true;
const id = svgCanvas.getNextId();
const items = $('#placemarkText').val().split(";");
let font = $('#placemarkFont').val().split(" ");
const fontSize = parseInt(font.pop());
font = font.join(" ")
let x0 = opts.start_x+10, y0 = opts.start_y+10,maxlen=0;
let children = [{
element:'line',
attr:{
id: id+'_pline_0',
fill:"none",
stroke: sRgb,
"stroke-width": sWidth,
"stroke-linecap":"round",
x1: opts.start_x,
y1: opts.start_y,
x2: x0,
y2: y0,
}
}];
items.forEach((i,n)=>{
maxlen=Math.max(maxlen,i.length)
children.push({
element:'line',
attr:{
id: id+'_tline_'+n,
fill:"none",
stroke: sRgb,
"stroke-width": sWidth,
"stroke-linecap":"round",
x1: x0,
y1: y0+(fontSize+6)*n,
x2: x0+i.length*fontSize*0.6+fontSize,
y2: y0+(fontSize+6)*n,
}
});
children.push({
element:'text',
attr:{
id: id+'_txt_'+n,
fill: sRgb,
stroke: "none",
"stroke-width": 0,
x: x0+3,
y: y0-3+(fontSize+6)*n,
"font-family":font,
"font-size":fontSize,
"text-anchor":"start",
},
children:[i]
})
});
if(items.length>0)children.push({
element:'line',
attr:{
id: id+'_vline_0',
fill:"none",
stroke: sRgb,
"stroke-width": sWidth,
"stroke-linecap":"round",
x1: x0,
y1: y0,
x2: x0,
y2: y0+(fontSize+6)*(items.length-1),
}
});
newPM = svgCanvas.addSVGElementFromJson({
element: 'g',
attr: {
id: id,
shape: 'placemark',
fontSize:fontSize,
maxlen:maxlen,
lines:items.length,
px:opts.start_x,
py:opts.start_y,
},
children: children,
});
setMarker(newPM.firstChild,$('#placemark_marker').attr('value') || 'leftarrow');
return {
started: true
};
}
return undefined;
},
mouseMove (opts) {
if (!started) {
return undefined;
}
console.log()
if (svgCanvas.getMode() === 'placemark') {
const scale = 1/svgCanvas.getZoom();
let x = opts.mouse_x*scale;
let y = opts.mouse_y*scale;
const {fontSize,maxlen,lines,px,py} = $(newPM).attr(['fontSize','maxlen','lines','px','py']);
$(newPM).children().each((n,i)=>{
const type = i.id.split("_");
const y0 = y+(fontSize+6)*type[3],x0 = x+maxlen*fontSize*0.6+fontSize;
const nx = (x<px)?x0:x;
if(type[2]=="pline"){
i.setAttribute("x2",nx);
i.setAttribute("y2",y);
}
if(type[2]=="tline"){
i.setAttribute("x1",x);
i.setAttribute("y1",y0);
i.setAttribute("x2",x0);
i.setAttribute("y2",y0);
}
if(type[2]=="vline"){
i.setAttribute("x1",nx);
i.setAttribute("y1",y);
i.setAttribute("x2",nx);
i.setAttribute("y2",y+(fontSize+6)*(lines-1));
}
if(type[2]=="txt"){
i.setAttribute("x",x+fontSize/2);
i.setAttribute("y",y0-3);
}
});
return {
started: true
};
}
return undefined;
},
mouseUp () {
if (svgCanvas.getMode() === 'placemark') {
/*const attrs = $(newFO).attr(['r']);
// svgCanvas.addToSelection([newFO], true);*/
return {
keep: true,
element: newPM
};
}
return undefined;
},
selectedChanged (opts) {
// Use this to update the current selected elements
selElems = opts.elems;
let i = selElems.length;
while (i--) {
const elem = selElems[i];
if (elem && elem.getAttribute('shape') === 'placemark') {
if (opts.selectedElement && !opts.multiselected) {
// $('#starRadiusMulitplier').val(elem.getAttribute('r2'));
$('#starNumPoints').val(elem.getAttribute('point'));
$('#radialShift').val(elem.getAttribute('radialshift'));
showPanel(true);
} else {
showPanel(false);
}
} else {
showPanel(false);
}
}
},
elementChanged (opts) {
// const elem = opts.elems[0];
}
};
}
};