/**
* @file ext-foreignobject.js
*
* @license Apache-2.0
*
* @copyright 2010 Jacques Distler, 2010 Alexis Deveria
*
*/
export default {
name: 'foreignobject',
async init (S) {
const svgEditor = this;
const {$, text2xml, NS, importLocale} = S;
const svgCanvas = svgEditor.canvas;
const
// {svgcontent} = S,
// addElem = svgCanvas.addSVGElementFromJson,
svgdoc = S.svgroot.parentNode.ownerDocument;
const strings = await importLocale();
const properlySourceSizeTextArea = function () {
// TODO: remove magic numbers here and get values from CSS
const height = $('#svg_source_container').height() - 80;
$('#svg_source_textarea').css('height', height);
};
/**
* @param {boolean} on
* @returns {void}
*/
function showPanel (on) {
let fcRules = $('#fc_rules');
if (!fcRules.length) {
fcRules = $('<style id="fc_rules"></style>').appendTo('head');
}
fcRules.text(!on ? '' : ' #tool_topath { display: none !important; }');
$('#foreignObject_panel').toggle(on);
}
/**
* @param {boolean} on
* @returns {void}
*/
function toggleSourceButtons (on) {
$('#tool_source_save, #tool_source_cancel').toggle(!on);
$('#foreign_save, #foreign_cancel').toggle(on);
}
let selElems,
started,
newFO,
editingforeign = false;
/**
* This function sets the content of element elt to the input XML.
* @param {string} xmlString - The XML text
* @returns {boolean} This function returns false if the set was unsuccessful, true otherwise.
*/
function setForeignString (xmlString) {
const elt = selElems[0]; // The parent `Element` to append to
try {
// convert string into XML document
const newDoc = text2xml('<svg xmlns="' + NS.SVG + '" xmlns:xlink="' + NS.XLINK + '">' + xmlString + '</svg>');
// run it through our sanitizer to remove anything we do not support
svgCanvas.sanitizeSvg(newDoc.documentElement);
elt.replaceWith(svgdoc.importNode(newDoc.documentElement.firstChild, true));
svgCanvas.call('changed', [elt]);
svgCanvas.clearSelection();
} catch (e) {
// Todo: Surface error to user
console.log(e); // eslint-disable-line no-console
return false;
}
return true;
}
/**
*
* @returns {void}
*/
function showForeignEditor () {
const elt = selElems[0];
if (!elt || editingforeign) { return; }
editingforeign = true;
toggleSourceButtons(true);
elt.removeAttribute('fill');
const str = svgCanvas.svgToString(elt, 0);
$('#svg_source_textarea').val(str);
$('#svg_source_editor').fadeIn();
properlySourceSizeTextArea();
$('#svg_source_textarea').focus();
}
/**
* @param {string} attr
* @param {string|Float} val
* @returns {void}
*/
function setAttr (attr, val) {
svgCanvas.changeSelectedAttribute(attr, val);
svgCanvas.call('changed', selElems);
}
const buttons = [{
id: 'tool_foreign',
icon: svgEditor.curConfig.extIconsPath + 'foreignobject-tool.png',
type: 'mode',
events: {
click () {
svgCanvas.setMode('foreign');
}
}
}, {
id: 'edit_foreign',
icon: svgEditor.curConfig.extIconsPath + 'foreignobject-edit.png',
type: 'context',
panel: 'foreignObject_panel',
events: {
click () {
showForeignEditor();
}
}
}];
const contextTools = [
{
type: 'input',
panel: 'foreignObject_panel',
id: 'foreign_width',
size: 3,
events: {
change () {
setAttr('width', this.value);
}
}
}, {
type: 'input',
panel: 'foreignObject_panel',
id: 'foreign_height',
events: {
change () {
setAttr('height', this.value);
}
}
}, {
type: 'input',
panel: 'foreignObject_panel',
id: 'foreign_font_size',
size: 2,
defval: 16,
events: {
change () {
setAttr('font-size', this.value);
}
}
}
];
return {
name: strings.name,
svgicons: svgEditor.curConfig.extIconsPath + 'foreignobject-icons.xml',
buttons: strings.buttons.map((button, i) => {
return Object.assign(buttons[i], button);
}),
context_tools: strings.contextTools.map((contextTool, i) => {
return Object.assign(contextTools[i], contextTool);
}),
callback () {
$('#foreignObject_panel').hide();
const endChanges = function () {
$('#svg_source_editor').hide();
editingforeign = false;
$('#svg_source_textarea').blur();
toggleSourceButtons(false);
};
// TODO: Needs to be done after orig icon loads
setTimeout(function () {
// Create source save/cancel buttons
/* const save = */ $('#tool_source_save').clone()
.hide().attr('id', 'foreign_save').unbind()
.appendTo('#tool_source_back').click(async function () {
if (!editingforeign) { return; }
if (!setForeignString($('#svg_source_textarea').val())) {
const ok = await $.confirm('Errors found. Revert to original?');
if (!ok) { return; }
endChanges();
} else {
endChanges();
}
// setSelectMode();
});
/* const cancel = */ $('#tool_source_cancel').clone()
.hide().attr('id', 'foreign_cancel').unbind()
.appendTo('#tool_source_back').click(function () {
endChanges();
});
}, 3000);
},
mouseDown (opts) {
// const e = opts.event;
if (svgCanvas.getMode() !== 'foreign') {
return undefined;
}
started = true;
newFO = svgCanvas.addSVGElementFromJson({
element: 'foreignObject',
attr: {
x: opts.start_x,
y: opts.start_y,
id: svgCanvas.getNextId(),
'font-size': 16, // cur_text.font_size,
width: '48',
height: '20',
style: 'pointer-events:inherit'
}
});
const m = svgdoc.createElementNS(NS.MATH, 'math');
m.setAttributeNS(NS.XMLNS, 'xmlns', NS.MATH);
m.setAttribute('display', 'inline');
const mi = svgdoc.createElementNS(NS.MATH, 'mi');
mi.setAttribute('mathvariant', 'normal');
mi.textContent = '\u03A6';
const mo = svgdoc.createElementNS(NS.MATH, 'mo');
mo.textContent = '\u222A';
const mi2 = svgdoc.createElementNS(NS.MATH, 'mi');
mi2.textContent = '\u2133';
m.append(mi, mo, mi2);
newFO.append(m);
return {
started: true
};
},
mouseUp (opts) {
// const e = opts.event;
if (svgCanvas.getMode() !== 'foreign' || !started) {
return undefined;
}
const attrs = $(newFO).attr(['width', 'height']);
const keep = (attrs.width !== '0' || attrs.height !== '0');
svgCanvas.addToSelection([newFO], true);
return {
keep,
element: newFO
};
},
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.tagName === 'foreignObject') {
if (opts.selectedElement && !opts.multiselected) {
$('#foreign_font_size').val(elem.getAttribute('font-size'));
$('#foreign_width').val(elem.getAttribute('width'));
$('#foreign_height').val(elem.getAttribute('height'));
showPanel(true);
} else {
showPanel(false);
}
} else {
showPanel(false);
}
}
},
elementChanged (opts) {
// const elem = opts.elems[0];
}
};
}
};