instiki/public/svg-edit/editor/extensions/ext-closepath.js
Jacques Distler d362b886c2 Make Embedded MathML Visible
Thanks to Jeff Schiller for tracking
down the problem (and committing 
preliminary MathML support to SVG-Edit).
2010-02-10 00:11:14 -06:00

75 lines
1.7 KiB
JavaScript

/*
* ext-closepath.js
*
* Licensed under the Apache License, Version 2
*
* Copyright(c) 2010 Jeff Schiller
*
*/
// This extension adds a simple button to the contextual panel for paths
// The button toggles whether the path is open or closed
$(function() {
svgCanvas.addExtension("ClosePath", function(S) {
var selElems,
updateButton = function(path) {
var seglist = path.pathSegList,
button = $('#closepath_panel > div.tool_button')[0];
$(button).html(seglist.getItem(seglist.numberOfItems - 1).pathSegType==1 ? "open":"close");
},
showPanel = function(on) {
$('#closepath_panel').toggle(on);
if (on) {
var path = selElems[0];
if (path) updateButton(path);
}
},
toggleClosed = function() {
var path = selElems[0];
if (path) {
var seglist = path.pathSegList,
last = seglist.numberOfItems - 1;
// is closed
if(seglist.getItem(last).pathSegType == 1) {
seglist.removeItem(last);
}
else {
seglist.appendItem(path.createSVGPathSegClosePath());
}
updateButton(path);
}
};
return {
name: "ClosePath",
context_tools: [{
type: "tool_button",
panel: "closepath_panel",
title: "Open or Close path",
id: "close",
events: { mousedown: toggleClosed }
}],
callback: function() {
$('#closepath_panel').hide();
},
selectedChanged: function(opts) {
selElems = opts.elems;
var i = selElems.length;
while(i--) {
var elem = selElems[i];
if(elem && elem.tagName == 'path') {
if(opts.selectedElement && !opts.multiselected) {
showPanel(true);
} else {
showPanel(false);
}
} else {
showPanel(false);
}
}
},
};
});
});