SVG-Edit foreignObject tool refactored as an extension
Thanks to Alexis Deveria. (Though I did fix one small bug.) My patch-file is now down to a mere 178 lines (a big chunk of which is Revision 569). Also, the font-size for foreignObjects defaults to 16pt, which will be more useful in Instiki.
This commit is contained in:
Jacques Distler
parent
63f1d34d74
commit
ce47d49e69
8 changed files with 562 additions and 298 deletions
278
public/svg-edit/editor/extensions/ext-foreignobject.js
Normal file
278
public/svg-edit/editor/extensions/ext-foreignobject.js
Normal file
|
|
@ -0,0 +1,278 @@
|
|||
/*
|
||||
* ext-foreignobject.js
|
||||
*
|
||||
* Licensed under the Apache License, Version 2
|
||||
*
|
||||
* Copyright(c) 2010 Jacques Distler
|
||||
* Copyright(c) 2010 Alexis Deveria
|
||||
*
|
||||
*/
|
||||
|
||||
$(function() {
|
||||
svgCanvas.addExtension("foreignObject", function(S) {
|
||||
var svgcontent = S.svgcontent,
|
||||
addElem = S.addSvgElementFromJson,
|
||||
selElems,
|
||||
svgns = "http://www.w3.org/2000/svg",
|
||||
xlinkns = "http://www.w3.org/1999/xlink",
|
||||
xmlns = "http://www.w3.org/XML/1998/namespace",
|
||||
xmlnsns = "http://www.w3.org/2000/xmlns/",
|
||||
se_ns = "http://svg-edit.googlecode.com",
|
||||
htmlns = "http://www.w3.org/1999/xhtml",
|
||||
mathns = "http://www.w3.org/1998/Math/MathML",
|
||||
editingforeign = false,
|
||||
svgdoc = S.svgroot.parentNode.ownerDocument;
|
||||
|
||||
|
||||
var properlySourceSizeTextArea = function(){
|
||||
// TODO: remove magic numbers here and get values from CSS
|
||||
var height = $('#svg_source_container').height() - 80;
|
||||
$('#svg_source_textarea').css('height', height);
|
||||
};
|
||||
|
||||
function showPanel(on) {
|
||||
var fc_rules = $('#fc_rules');
|
||||
if(!fc_rules.length) {
|
||||
fc_rules = $('<style id="fc_rules"><\/style>').appendTo('head');
|
||||
}
|
||||
fc_rules.text(!on?"":" #tool_topath { display: none !important; }");
|
||||
$('#foreignObject_panel').toggle(on);
|
||||
}
|
||||
|
||||
function toggleSourceButtons(on) {
|
||||
$('#tool_source_save, #tool_source_cancel').toggle(!on);
|
||||
$('#foreign_save, #foreign_cancel').toggle(on);
|
||||
}
|
||||
|
||||
|
||||
// Function: setForeignString(xmlString, elt)
|
||||
// This function sets the content of element elt to the input XML.
|
||||
//
|
||||
// Parameters:
|
||||
// xmlString - The XML text.
|
||||
// elt - the parent element to append to
|
||||
//
|
||||
// Returns:
|
||||
// This function returns false if the set was unsuccessful, true otherwise.
|
||||
function setForeignString(xmlString) {
|
||||
var elt = selElems[0];
|
||||
try {
|
||||
// convert string into XML document
|
||||
var newDoc = Utils.text2xml('<svg xmlns="'+svgns+'" xmlns:xlink="'+xlinkns+'">'+xmlString+'</svg>');
|
||||
// run it through our sanitizer to remove anything we do not support
|
||||
S.sanitizeSvg(newDoc.documentElement);
|
||||
|
||||
elt.parentNode.replaceChild(svgdoc.importNode(newDoc.documentElement.firstChild, true), elt);
|
||||
S.call("changed", [elt]);
|
||||
svgCanvas.clearSelection();
|
||||
} catch(e) {
|
||||
console.log(e);
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
};
|
||||
|
||||
function showForeignEditor() {
|
||||
var elt = selElems[0];
|
||||
if (!elt || editingforeign) return;
|
||||
editingforeign = true;
|
||||
toggleSourceButtons(true);
|
||||
elt.removeAttribute('fill');
|
||||
|
||||
var str = S.svgToString(elt, 0);
|
||||
$('#svg_source_textarea').val(str);
|
||||
$('#svg_source_editor').fadeIn();
|
||||
properlySourceSizeTextArea();
|
||||
$('#svg_source_textarea').focus();
|
||||
}
|
||||
|
||||
function setAttr(attr, val) {
|
||||
svgCanvas.changeSelectedAttribute(attr, val);
|
||||
S.call("changed", selElems);
|
||||
}
|
||||
|
||||
|
||||
return {
|
||||
name: "foreignObject",
|
||||
svgicons: "extensions/foreignobject-icons.xml",
|
||||
buttons: [{
|
||||
id: "tool_foreign",
|
||||
type: "mode",
|
||||
title: "Foreign Object Tool",
|
||||
events: {
|
||||
'click': function() {
|
||||
svgCanvas.setMode('foreign')
|
||||
}
|
||||
}
|
||||
},{
|
||||
id: "edit_foreign",
|
||||
type: "context",
|
||||
panel: "foreignObject_panel",
|
||||
title: "Edit ForeignObject Content",
|
||||
events: {
|
||||
'click': function() {
|
||||
showForeignEditor();
|
||||
}
|
||||
}
|
||||
}],
|
||||
|
||||
context_tools: [{
|
||||
type: "input",
|
||||
panel: "foreignObject_panel",
|
||||
title: "Change foreignObject's width",
|
||||
id: "foreign_width",
|
||||
label: "w",
|
||||
size: 3,
|
||||
events: {
|
||||
change: function() {
|
||||
setAttr('width', this.value);
|
||||
}
|
||||
}
|
||||
},{
|
||||
type: "input",
|
||||
panel: "foreignObject_panel",
|
||||
title: "Change foreignObject's height",
|
||||
id: "foreign_height",
|
||||
label: "h",
|
||||
events: {
|
||||
change: function() {
|
||||
setAttr('height', this.value);
|
||||
}
|
||||
}
|
||||
}, {
|
||||
type: "input",
|
||||
panel: "foreignObject_panel",
|
||||
title: "Change foreignObject's height",
|
||||
id: "foreign_font_size",
|
||||
label: "font-size",
|
||||
size: 2,
|
||||
defval: 16,
|
||||
events: {
|
||||
change: function() {
|
||||
setAttr('font-size', this.value);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
],
|
||||
callback: function() {
|
||||
$('#foreignObject_panel').hide();
|
||||
|
||||
var 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
|
||||
var save = $('#tool_source_save').clone()
|
||||
.hide().attr('id', 'foreign_save').unbind()
|
||||
.appendTo("#tool_source_back").click(function() {
|
||||
|
||||
if (!editingforeign) return;
|
||||
|
||||
if (!setForeignString($('#svg_source_textarea').val())) {
|
||||
$.confirm("Errors found. Revert to original?", function(ok) {
|
||||
if(!ok) return false;
|
||||
endChanges();
|
||||
});
|
||||
} else {
|
||||
endChanges();
|
||||
}
|
||||
// setSelectMode();
|
||||
});
|
||||
|
||||
var cancel = $('#tool_source_cancel').clone()
|
||||
.hide().attr('id', 'foreign_cancel').unbind()
|
||||
.appendTo("#tool_source_back").click(function() {
|
||||
endChanges();
|
||||
});
|
||||
|
||||
}, 3000);
|
||||
},
|
||||
mouseDown: function(opts) {
|
||||
var e = opts.event;
|
||||
|
||||
if(svgCanvas.getMode() == "foreign") {
|
||||
|
||||
var newText = S.addSvgElementFromJson({
|
||||
"element": "foreignObject",
|
||||
"attr": {
|
||||
"x": opts.start_x,
|
||||
"y": opts.start_y,
|
||||
"id": S.getNextId(),
|
||||
"font-size": 16, //cur_text.font_size,
|
||||
"width": "48",
|
||||
"height": "20",
|
||||
"style": "pointer-events:inherit"
|
||||
}
|
||||
});
|
||||
var m = svgdoc.createElementNS(mathns, 'math');
|
||||
m.setAttributeNS(xmlnsns, 'xmlns', mathns);
|
||||
m.setAttribute('display', 'inline');
|
||||
var mi = svgdoc.createElementNS(mathns, 'mi');
|
||||
mi.setAttribute('mathvariant', 'normal');
|
||||
mi.textContent = "\u03A6";
|
||||
var mo = svgdoc.createElementNS(mathns, 'mo');
|
||||
mo.textContent = "\u222A";
|
||||
var mi2 = svgdoc.createElementNS(mathns, 'mi');
|
||||
mi2.textContent = "\u2133";
|
||||
m.appendChild(mi);
|
||||
m.appendChild(mo);
|
||||
m.appendChild(mi2);
|
||||
newText.appendChild(m);
|
||||
return {
|
||||
started: true
|
||||
}
|
||||
}
|
||||
},
|
||||
mouseUp: function(opts) {
|
||||
var e = opts.event;
|
||||
|
||||
if(svgCanvas.getMode() == "foreign") {
|
||||
var attrs = $(e.target).attr(["width", "height"]);
|
||||
keep = (attrs.width != 0 || attrs.height != 0);
|
||||
|
||||
svgCanvas.addToSelection([e.target], true);
|
||||
return {
|
||||
keep: keep,
|
||||
element: e.target
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
},
|
||||
selectedChanged: function(opts) {
|
||||
// Use this to update the current selected elements
|
||||
selElems = opts.elems;
|
||||
|
||||
var i = selElems.length;
|
||||
|
||||
while(i--) {
|
||||
var 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: function(opts) {
|
||||
var elem = opts.elems[0];
|
||||
}
|
||||
};
|
||||
});
|
||||
});
|
||||
Loading…
Add table
Add a link
Reference in a new issue