/*
* svg-editor.js
*
* Licensed under the Apache License, Version 2
*
* Copyright(c) 2010 Alexis Deveria
* Copyright(c) 2010 Pavol Rusnak
* Copyright(c) 2010 Jeff Schiller
* Copyright(c) 2010 Narendra Sisodya
*
*/
(function() {
if(!window.svgEditor) window.svgEditor = function() {
var svgCanvas;
var Editor = {};
var is_ready = false;
var defaultPrefs = {
lang:'en',
iconsize:'m',
bkgd_color:'#FFF',
bkgd_url:'',
img_save:'embed'
},
curPrefs = {},
// Note: Difference between Prefs and Config is that Prefs can be
// changed in the UI and are stored in the browser, config can not
curConfig = {
canvas_expansion: 3,
dimensions: [640,480],
initFill: {
color: 'FF0000', // solid red
opacity: 1
},
initStroke: {
width: 1,
color: '000000', // solid black
opacity: 1
},
initOpacity: 1
},
uiStrings = {
'invalidAttrValGiven':'Invalid value given',
'noContentToFitTo':'No content to fit to',
'layer':"Layer",
'dupeLayerName':"There is already a layer named that!",
'enterUniqueLayerName':"Please enter a unique layer name",
'enterNewLayerName':"Please enter the new layer name",
'layerHasThatName':"Layer already has that name",
'QmoveElemsToLayer':"Move selected elements to layer '%s'?",
'QwantToClear':'Do you want to clear the drawing?\nThis will also erase your undo history!',
'QerrorsRevertToSource':'There were parsing errors in your SVG source.\nRevert back to original SVG source?',
'QignoreSourceChanges':'Ignore changes made to SVG source?',
'featNotSupported':'Feature not supported',
'enterNewImgURL':'Enter the new image URL',
'ok':'OK',
'cancel':'Cancel',
'key_up':'Up',
'key_down':'Down',
'key_backspace':'Backspace',
'key_del':'Del'
};
var curPrefs = {}; //$.extend({}, defaultPrefs);
// Store and retrieve preferences
$.pref = function(key, val) {
if(val) curPrefs[key] = val;
key = 'svg-edit-'+key;
var host = location.hostname,
onweb = host && host.indexOf('.') != -1,
store = (val != undefined),
storage = false;
// Some FF versions throw security errors here
try {
if(window.localStorage) { // && onweb removed so Webkit works locally
storage = localStorage;
}
} catch(e) {}
try {
if(window.globalStorage && onweb) {
storage = globalStorage[host];
}
} catch(e) {}
if(storage) {
if(store) storage.setItem(key, val);
else if (storage.getItem(key)) return storage.getItem(key) + ''; // Convert to string for FF (.value fails in Webkit)
} else if(window.widget) {
if(store) widget.setPreferenceForKey(val, key);
else return widget.preferenceForKey(key);
} else {
if(store) {
var d = new Date();
d.setTime(d.getTime() + 31536000000);
val = encodeURIComponent(val);
document.cookie = key+'='+val+'; expires='+d.toUTCString();
} else {
var result = document.cookie.match(new RegExp(key + "=([^;]+)"));
return result?decodeURIComponent(result[1]):'';
}
}
}
Editor.setConfig = function(opts) {
$.each(opts, function(key, val) {
// Only allow prefs defined in defaultPrefs
if(key in defaultPrefs) {
$.pref(key, val);
}
});
$.extend(true, curConfig, opts);
}
// Extension mechanisms must call setCustomHandlers with two functions: opts.open and opts.save
// opts.open's responsibilities are:
// - invoke a file chooser dialog in 'open' mode
// - let user pick a SVG file
// - calls setCanvas.setSvgString() with the string contents of that file
// opts.save's responsibilities are:
// - accept the string contents of the current document
// - invoke a file chooser dialog in 'save' mode
// - save the file to location chosen by the user
Editor.setCustomHandlers = function(opts) {
if(opts.open) {
$('#tool_open').show();
svgCanvas.open = opts.open;
}
if(opts.save) {
svgCanvas.bind("saved", opts.save);
}
}
Editor.randomizeIds = function() {
svgCanvas.randomizeIds(arguments)
}
Editor.init = function() {
(function() {
// Load config/data from URL if given
var urldata = $.deparam.querystring();
if(!$.isEmptyObject(urldata)) {
if(urldata.dimensions) {
urldata.dimensions = urldata.dimensions.split(',');
}
if(urldata.bkgd_color) {
urldata.bkgd_color = '#' + urldata.bkgd_color;
}
svgEditor.setConfig(urldata);
var src = urldata.source;
if(src) {
if(src.indexOf("data:") === 0) {
// plusses get replaced by spaces, so re-insert
src = src.replace(/ /g, "+");
Editor.loadFromDataURI(src);
} else {
Editor.loadFromString(src);
}
} else if(urldata.url) {
svgEditor.loadFromURL(urldata.url);
}
}
})();
Editor.canvas = svgCanvas = new $.SvgCanvas(document.getElementById("svgcanvas"), curConfig);
var palette = ["#000000","#202020","#404040","#606060","#808080","#a0a0a0","#c0c0c0","#e0e0e0","#ffffff","#800000","#ff0000","#808000","#ffff00","#008000","#00ff00","#008080","#00ffff","#000080","#0000ff","#800080","#ff00ff","#2b0000","#550000","#800000","#aa0000","#d40000","#ff0000","#ff2a2a","#ff5555","#ff8080","#ffaaaa","#ffd5d5","#280b0b","#501616","#782121","#a02c2c","#c83737","#d35f5f","#de8787","#e9afaf","#f4d7d7","#241c1c","#483737","#6c5353","#916f6f","#ac9393","#c8b7b7","#e3dbdb","#2b1100","#552200","#803300","#aa4400","#d45500","#ff6600","#ff7f2a","#ff9955","#ffb380","#ffccaa","#ffe6d5","#28170b","#502d16","#784421","#a05a2c","#c87137","#d38d5f","#deaa87","#e9c6af","#f4e3d7","#241f1c","#483e37","#6c5d53","#917c6f","#ac9d93","#c8beb7","#e3dedb","#2b2200","#554400","#806600","#aa8800","#d4aa00","#ffcc00","#ffd42a","#ffdd55","#ffe680","#ffeeaa","#fff6d5","#28220b","#504416","#786721","#a0892c","#c8ab37","#d3bc5f","#decd87","#e9ddaf","#f4eed7","#24221c","#484537","#6c6753","#918a6f","#aca793","#c8c4b7","#e3e2db","#222b00","#445500","#668000","#88aa00","#aad400","#ccff00","#d4ff2a","#ddff55","#e5ff80","#eeffaa","#f6ffd5","#22280b","#445016","#677821","#89a02c","#abc837","#bcd35f","#cdde87","#dde9af","#eef4d7","#22241c","#454837","#676c53","#8a916f","#a7ac93","#c4c8b7","#e2e3db","#112b00","#225500","#338000","#44aa00","#55d400","#66ff00","#7fff2a","#99ff55","#b3ff80","#ccffaa","#e5ffd5","#17280b","#2d5016","#447821","#5aa02c","#71c837","#8dd35f","#aade87","#c6e9af","#e3f4d7","#1f241c","#3e4837","#5d6c53","#7c916f","#9dac93","#bec8b7","#dee3db","#002b00","#005500","#008000","#00aa00","#00d400","#00ff00","#2aff2a","#55ff55","#80ff80","#aaffaa","#d5ffd5","#0b280b","#165016","#217821","#2ca02c","#37c837","#5fd35f","#87de87","#afe9af","#d7f4d7","#1c241c","#374837","#536c53","#6f916f","#93ac93","#b7c8b7","#dbe3db","#002b11","#005522","#008033","#00aa44","#00d455","#00ff66","#2aff80","#55ff99","#80ffb3","#aaffcc","#d5ffe6","#0b2817","#16502d","#217844","#2ca05a","#37c871","#5fd38d","#87deaa","#afe9c6","#d7f4e3","#1c241f","#37483e","#536c5d","#6f917c","#93ac9d","#b7c8be","#dbe3de","#002b22","#005544","#008066","#00aa88","#00d4aa","#00ffcc","#2affd5","#55ffdd","#80ffe6","#aaffee","#d5fff6","#0b2822","#165044","#217867","#2ca089","#37c8ab","#5fd3bc","#87decd","#afe9dd","#d7f4ee","#1c2422","#374845","#536c67","#6f918a","#93aca7","#b7c8c4","#dbe3e2","#00222b","#004455","#006680","#0088aa","#00aad4","#00ccff","#2ad4ff","#55ddff","#80e5ff","#aaeeff","#d5f6ff","#0b2228","#164450","#216778","#2c89a0","#37abc8","#5fbcd3","#87cdde","#afdde9","#d7eef4","#1c2224","#374548","#53676c","#6f8a91","#93a7ac","#b7c4c8","#dbe2e3","#00112b","#002255","#003380","#0044aa","#0055d4","#0066ff","#2a7fff","#5599ff","#80b3ff","#aaccff","#d5e5ff","#0b1728","#162d50","#214478","#2c5aa0","#3771c8","#5f8dd3","#87aade","#afc6e9","#d7e3f4","#1c1f24","#373e48","#535d6c","#6f7c91","#939dac","#b7bec8","#dbdee3","#00002b","#000055","#000080","#0000aa","#0000d4","#0000ff","#2a2aff","#5555ff","#8080ff","#aaaaff","#d5d5ff","#0b0b28","#161650","#212178","#2c2ca0","#3737c8","#5f5fd3","#8787de","#afafe9","#d7d7f4","#1c1c24","#373748","#53536c","#6f6f91","#9393ac","#b7b7c8","#dbdbe3","#11002b","#220055","#330080","#4400aa","#5500d4","#6600ff","#7f2aff","#9955ff","#b380ff","#ccaaff","#e5d5ff","#170b28","#2d1650","#442178","#5a2ca0","#7137c8","#8d5fd3","#aa87de","#c6afe9","#e3d7f4","#1f1c24","#3e3748","#5d536c","#7c6f91","#9d93ac","#beb7c8","#dedbe3","#22002b","#440055","#660080","#8800aa","#aa00d4","#cc00ff","#d42aff","#dd55ff","#e580ff","#eeaaff","#f6d5ff","#220b28","#441650","#672178","#892ca0","#ab37c8","#bc5fd3","#cd87de","#ddafe9","#eed7f4","#221c24","#453748","#67536c","#8a6f91","#a793ac","#c4b7c8","#e2dbe3","#2b0022","#550044","#800066","#aa0088","#d400aa","#ff00cc","#ff2ad4","#ff55dd","#ff80e5","#ffaaee","#ffd5f6","#280b22","#501644","#782167","#a02c89","#c837ab","#d35fbc","#de87cd","#e9afdd","#f4d7ee","#241c22","#483745","#6c5367","#916f8a","#ac93a7","#c8b7c4","#e3dbe2","#2b0011","#550022","#800033","#aa0044","#d40055","#ff0066","#ff2a7f","#ff5599","#ff80b2","#ffaacc","#ffd5e5","#280b17","#50162d","#782144","#a02c5a","#c83771","#d35f8d","#de87aa","#e9afc6","#f4d7e3","#241c1f","#48373e","#6c535d","#916f7c","#ac939d","#c8b7be","#e3dbde"],
isMac = false, //(navigator.platform.indexOf("Mac") != -1);
modKey = "", //(isMac ? "meta+" : "ctrl+");
path = svgCanvas.pathActions,
default_img_url = "images/logo.png",
workarea = $("#workarea");
// This sets up alternative dialog boxes. They mostly work the same way as
// their UI counterparts, expect instead of returning the result, a callback
// needs to be included that returns the result as its first parameter.
// In the future we may want to add additional types of dialog boxes, since
// they should be easy to handle this way.
(function() {
$('#dialog_container').draggable({cancel:'#dialog_content, #dialog_buttons *'});
var box = $('#dialog_box'), btn_holder = $('#dialog_buttons');
var dbox = function(type, msg, callback, defText) {
$('#dialog_content').html('
'+msg.replace(/\n/g,'
')+'
')
.toggleClass('prompt',(type=='prompt'));
btn_holder.empty();
var ok = $('').appendTo(btn_holder);
if(type != 'alert') {
$('')
.appendTo(btn_holder)
.click(function() { box.hide();callback(false)});
}
if(type == 'prompt') {
var input = $('').prependTo(btn_holder);
input.val(defText || '');
input.bind('keydown', {combi:'return'}, function() {ok.click();});
}
box.show();
ok.click(function() {
box.hide();
var resp = (type == 'prompt')?input.val():true;
if(callback) callback(resp);
}).focus();
if(type == 'prompt') input.focus();
}
$.alert = function(msg, cb) { dbox('alert', msg, cb);};
$.confirm = function(msg, cb) { dbox('confirm', msg, cb);};
$.prompt = function(msg, txt, cb) { dbox('prompt', msg, cb, txt);};
}());
var setSelectMode = function() {
$('.tool_button_current').removeClass('tool_button_current').addClass('tool_button');
$('#tool_select').addClass('tool_button_current').removeClass('tool_button');
$('#styleoverrides').text('#svgcanvas svg *{cursor:move;pointer-events:all} #svgcanvas svg{cursor:default}');
svgCanvas.setMode('select');
};
var togglePathEditMode = function(editmode, elems) {
$('#path_node_panel').toggle(editmode);
$('#tools_bottom_2,#tools_bottom_3').toggle(!editmode);
var size = $('#tool_select > svg, #tool_select > img')[0].getAttribute('width');
if(editmode) {
// Change select icon
$('.tool_button_current').removeClass('tool_button_current').addClass('tool_button');
$('#tool_select').addClass('tool_button_current').removeClass('tool_button')
.empty().append($.getSvgIcon('select_node'));
multiselected = false;
if(elems.length) {
selectedElement = elems[0];
}
} else {
$('#tool_select').empty().append($.getSvgIcon('select'));
}
$.resizeSvgIcons({'#tool_select .svg_icon':size});
}
// used to make the flyouts stay on the screen longer the very first time
var flyoutspeed = 1250;
var textBeingEntered = false;
var selectedElement = null;
var multiselected = false;
var editingsource = false;
var docprops = false;
var fillPaint = new $.jGraduate.Paint({solidColor: curConfig.initFill.color});
var strokePaint = new $.jGraduate.Paint({solidColor: curConfig.initStroke.color});
var saveHandler = function(window,svg) {
// by default, we add the XML prolog back, systems integrating SVG-edit (wikis, CMSs)
// can just provide their own custom save handler and might not want the XML prolog
svg = "\n" + svg;
// Creates and opens an HTML page that provides a link to the SVG, a preview, and the markup.
// Also includes warning about Mozilla bug #308590 when applicable
var win = window.open("data:image/svg+xml;base64," + Utils.encode64(svg));
// Alert will only appear the first time saved OR the first time the bug is encountered
var done = $.pref('save_notice_done');
if(done !== "all") {
var note = 'Select "Save As..." in your browser to save this image as an SVG file.';
// Check if FF and has
if(navigator.userAgent.indexOf('Gecko/') !== -1) {
if(svg.indexOf('= 2 && elems[1] != null);
if (selectedElement != null) {
// unless we're already in always set the mode of the editor to select because
// upon creation of a text element the editor is switched into
// select mode and this event fires - we need our UI to be in sync
if (mode != "multiselect" && !is_node) {
setSelectMode();
updateToolbar();
}
} // if (elem != null)
// Deal with pathedit mode
togglePathEditMode(is_node, elems);
updateContextPanel();
svgCanvas.runExtensions("selectedChanged", {
elems: elems,
selectedElement: selectedElement,
multiselected: multiselected
});
};
// called when any element has changed
var elementChanged = function(window,elems) {
for (var i = 0; i < elems.length; ++i) {
var elem = elems[i];
// if the element changed was the svg, then it could be a resolution change
if (elem && elem.tagName == "svg") {
populateLayers();
updateCanvas();
}
// Update selectedElement if element is no longer part of the image.
// This occurs for the text elements in Firefox
else if(elem && selectedElement && selectedElement.parentNode == null
|| elem && elem.tagName == "path") {
selectedElement = elem;
}
}
// we update the contextual panel with potentially new
// positional/sizing information (we DON'T want to update the
// toolbar here as that creates an infinite loop)
// also this updates the history buttons
// we tell it to skip focusing the text control if the
// text element was previously in focus
updateContextPanel();
svgCanvas.runExtensions("elementChanged", {
elems: elems
});
};
var zoomChanged = function(window, bbox, autoCenter) {
var scrbar = 15,
res = svgCanvas.getResolution(),
w_area = workarea,
canvas_pos = $('#svgcanvas').position();
w_area.css('cursor','auto');
var z_info = svgCanvas.setBBoxZoom(bbox, w_area.width()-scrbar, w_area.height()-scrbar);
if(!z_info) return;
var zoomlevel = z_info.zoom,
bb = z_info.bbox;
$('#zoom').val(Math.round(zoomlevel*100));
if(autoCenter) {
updateCanvas();
} else {
updateCanvas(false, {x: bb.x * zoomlevel + (bb.width * zoomlevel)/2, y: bb.y * zoomlevel + (bb.height * zoomlevel)/2});
}
if(svgCanvas.getMode() == 'zoom' && bb.width) {
// Go to select if a zoom box was drawn
setSelectMode();
}
zoomDone();
}
var flyout_funcs = {};
var setupFlyouts = function(holders) {
$.each(holders, function(hold_sel, btn_opts) {
var buttons = $(hold_sel).children();
var show_sel = hold_sel + '_show';
var def = false;
buttons.addClass('tool_button')
.unbind('click mousedown mouseup') // may not be necessary
.each(function(i) {
// Get this buttons options
var opts = btn_opts[i];
// Remember the function that goes with this ID
flyout_funcs[opts.sel] = opts.fn;
if(opts.isDefault) def = i;
// Clicking the icon in flyout should set this set's icon
var func = function() {
if($(this).hasClass('disabled')) return false;
if (toolButtonClick(show_sel)) {
opts.fn();
}
if(opts.icon) {
var icon = $.getSvgIcon(opts.icon).clone();
} else {
//
var icon = $(opts.sel).children().eq(0).clone();
}
var shower = $(show_sel);
icon[0].setAttribute('width',shower.width());
icon[0].setAttribute('height',shower.height());
shower.children(':not(.flyout_arrow_horiz)').remove();
shower.append(icon).attr('data-curopt', opts.sel); // This sets the current mode
}
$(this).mouseup(func);
if(opts.key) {
$(document).bind('keydown', {combi: opts.key+'', disableInInput:true}, func);
}
});
if(def) {
$(show_sel).attr('data-curopt', btn_opts[def].sel);
} else if(!$(show_sel).attr('data-curopt')) {
// Set first as default
$(show_sel).attr('data-curopt', btn_opts[0].sel);
}
var timer;
// Clicking the "show" icon should set the current mode
$(show_sel).mousedown(function(evt) {
if($(show_sel).hasClass('disabled')) return false;
var holder = $(show_sel.replace('_show',''));
var l = holder.css('left');
var w = holder.width()*-1;
var time = holder.data('shown_popop')?200:0;
timer = setTimeout(function() {
// Show corresponding menu
holder.css('left', w).show().animate({
left: l
},150);
holder.data('shown_popop',true);
},time);
evt.preventDefault();
}).mouseup(function() {
clearTimeout(timer);
var opt = $(this).attr('data-curopt');
if (toolButtonClick(show_sel)) {
flyout_funcs[opt]();
}
});
// $('#tools_rect').mouseleave(function(){$('#tools_rect').fadeOut();});
var pos = $(show_sel).position();
$(hold_sel).css({'left': pos.left+34, 'top': pos.top+77});
});
setFlyoutTitles();
}
var makeFlyoutHolder = function(id, child) {
var div = $('
',{
'class': 'tools_flyout',
id: id
}).appendTo('#svg_editor').append(child);
return div;
}
var setFlyoutPositions = function() {
$('.tools_flyout').each(function() {
var shower = $('#' + this.id + '_show');
var pos = shower.offset();
var w = shower.outerWidth();
$(this).css({left: pos.left + w, top: pos.top});
});
}
var setFlyoutTitles = function() {
$('.tools_flyout').each(function() {
var shower = $('#' + this.id + '_show');
var tooltips = [];
$(this).children().each(function() {
tooltips.push(this.title);
});
shower[0].title = tooltips.join(' / ');
});
}
var extAdded = function(window, ext) {
var cb_called = false;
var runCallback = function() {
if(ext.callback && !cb_called) {
cb_called = true;
ext.callback();
}
}
if(ext.context_tools) {
$.each(ext.context_tools, function(i, tool) {
// Add select tool
var cont_id = tool.container_id?(' id="' + tool.container_id + '"'):"";
var panel = $('#' + tool.panel);
// create the panel if it doesn't exist
if(!panel.length)
panel = $('
', {id: tool.panel}).appendTo("#tools_top");
// TODO: Allow support for other types, or adding to existing tool
switch (tool.type) {
case 'tool_button':
var html = '
' + tool.id + '
';
var div = $(html).appendTo(panel);
if (tool.events) {
$.each(tool.events, function(evt, func) {
$(div).bind(evt, func);
});
}
break;
case 'select':
var html = '";
// Creates the tool, hides & adds it, returns the select element
var sel = $(html).appendTo(panel).find('select');
$.each(tool.events, function(evt, func) {
$(sel).bind(evt, func);
});
break;
case 'input':
var html = ''
// Creates the tool, hides & adds it, returns the select element
// Add to given tool.panel
var inp = $(html).appendTo(panel).find('input');
if(tool.spindata) {
inp.SpinButton(tool.spindata);
}
if(tool.events) {
$.each(tool.events, function(evt, func) {
inp.bind(evt, func);
});
}
break;
default:
break;
}
});
}
if(ext.buttons) {
var fallback_obj = {},
placement_obj = {},
svgicons = ext.svgicons;
var holders = {};
// Add buttons given by extension
$.each(ext.buttons, function(i, btn) {
var icon;
var id = btn.id;
var num = i;
// Give button a unique ID
while($('#'+id).length) {
id = btn.id + '_' + (++num);
}
if(!svgicons) {
icon = $('');
} else {
fallback_obj[id] = btn.icon;
placement_obj['#' + id] = btn.id;
}
var cls, parent;
// Set button up according to its type
switch ( btn.type ) {
case 'mode':
cls = 'tool_button';
parent = "#tools_left";
break;
case 'context':
cls = 'tool_button';
parent = "#" + btn.panel;
// create the panel if it doesn't exist
if(!$(parent).length)
$('
', {id: btn.panel}).appendTo("#tools_top");
break;
}
var button = $('')
.attr("id", id)
.attr("title", btn.title)
.addClass(cls);
if(!btn.includeWith) {
button.appendTo(parent);
} else {
// Add to flyout menu / make flyout menu
var opts = btn.includeWith;
// opts.button, default, position
var ref_btn = $(opts.button);
var flyout_holder = ref_btn.parent();
// Create a flyout menu if there isn't one already
if(!ref_btn.parent().hasClass('tools_flyout')) {
// Create flyout placeholder
var arr_div = $('
',{id:'flyout_arrow_horiz'})
var tls_id = ref_btn[0].id.replace('tool_','tools_')
var show_btn = ref_btn.clone()
.attr('id',tls_id + '_show')
.append($('
',{'class':'flyout_arrow_horiz'}));
ref_btn.before(show_btn);
// Create a flyout div
flyout_holder = makeFlyoutHolder(tls_id, ref_btn);
}
var ref_data = Actions.getButtonData(opts.button);
if(opts.isDefault) {
placement_obj['#' + tls_id + '_show'] = btn.id;
}
// TODO: Find way to set the current icon using the iconloader if this is not default
// Include data for extension button as well as ref button
var cur_h = holders['#'+flyout_holder[0].id] = [{
sel: '#'+id,
fn: btn.events.click,
icon: btn.id,
key: btn.key,
isDefault: btn.includeWith?btn.includeWith.isDefault:0
}, ref_data];
// {sel:'#tool_rect', fn: clickRect, evt: 'mouseup', key: 4, parent: '#tools_rect', icon: 'rect'}
var pos = ("position" in opts)?opts.position:'last';
var len = flyout_holder.children().length;
// Add at given position or end
if(!isNaN(pos) && pos >= 0 && pos < len) {
flyout_holder.children().eq(pos).before(button);
} else {
flyout_holder.append(button);
cur_h.reverse();
}
}
if(!svgicons) {
button.append(icon);
}
// Add given events to button
$.each(btn.events, function(name, func) {
if(name == "click") {
if(btn.type == 'mode') {
if(btn.includeWith) {
button.bind(name, func);
} else {
button.bind(name, function() {
if(toolButtonClick(button)) {
func();
}
});
}
if(btn.key) {
$(document).bind('keydown', {combi: btn.key, disableInInput: true}, func);
if(btn.title) button.attr("title", btn.title + ' ['+btn.key+']');
}
} else {
button.bind(name, func);
}
} else {
button.bind(name, func);
}
});
setupFlyouts(holders);
});
$.svgIcons(svgicons, {
w:24, h:24,
id_match: false,
no_img: true,
fallback: fallback_obj,
placement: placement_obj,
callback: function(icons) {
// Bad hack to make the icon match the current size
// TODO: Write better hack!
var old = curPrefs.iconsize;
if(curPrefs.iconsize != 'm') {
setIconSize('m');
setIconSize(old);
}
runCallback();
}
});
}
runCallback();
};
var getPaint = function(color, opac) {
// update the editor's fill paint
var opts = null;
if (color.substr(0,5) == "url(#") {
var grad = document.getElementById(color.substr(5,color.length-6));
opts = { alpha: opac };
opts[grad.tagName] = grad;
}
else if (color.substr(0,1) == "#") {
opts = {
alpha: opac,
solidColor: color.substr(1)
};
}
else {
opts = {
alpha: opac,
solidColor: 'none'
};
}
return new $.jGraduate.Paint(opts);
};
// updates the toolbar (colors, opacity, etc) based on the selected element
// This function also updates the opacity and id elements that are in the context panel
var updateToolbar = function() {
if (selectedElement != null &&
selectedElement.tagName != "image" &&
selectedElement.tagName != "text" &&
selectedElement.tagName != "foreignObject" &&
selectedElement.tagName != "g")
{
// get opacity values
var fillOpacity = parseFloat(selectedElement.getAttribute("fill-opacity"));
if (isNaN(fillOpacity)) {
fillOpacity = 1.0;
}
var strokeOpacity = parseFloat(selectedElement.getAttribute("stroke-opacity"));
if (isNaN(strokeOpacity)) {
strokeOpacity = 1.0;
}
// update fill color and opacity
var fillColor = selectedElement.getAttribute("fill")||"black";
// prevent undo on these canvas changes
svgCanvas.setFillColor(fillColor, true);
svgCanvas.setFillOpacity(fillOpacity, true);
// update stroke color and opacity
var strokeColor = selectedElement.getAttribute("stroke")||"none";
// prevent undo on these canvas changes
svgCanvas.setStrokeColor(strokeColor, true);
svgCanvas.setStrokeOpacity(strokeOpacity, true);
// update the rect inside #fill_color
$("#stroke_color rect").attr({
fill: strokeColor,
opacity: strokeOpacity
});
// update the rect inside #fill_color
$("#fill_color rect").attr({
fill: fillColor,
opacity: fillOpacity
});
fillOpacity *= 100;
strokeOpacity *= 100;
fillPaint = getPaint(fillColor, fillOpacity);
strokePaint = getPaint(strokeColor, strokeOpacity);
fillOpacity = fillOpacity + " %";
strokeOpacity = strokeOpacity + " %";
// update fill color
if (fillColor == "none") {
fillOpacity = "N/A";
}
if (strokeColor == null || strokeColor == "" || strokeColor == "none") {
strokeColor = "none";
strokeOpacity = "N/A";
}
$('#stroke_width').val(selectedElement.getAttribute("stroke-width")||1);
$('#stroke_style').val(selectedElement.getAttribute("stroke-dasharray")||"none");
}
// All elements including image and group have opacity
if(selectedElement != null) {
var opac_perc = ((selectedElement.getAttribute("opacity")||1.0)*100);
$('#group_opacity').val(opac_perc);
$('#opac_slider').slider('option', 'value', opac_perc);
$('#elem_id').val(selectedElement.id);
}
updateToolButtonState();
};
// updates the context panel tools based on the selected element
var updateContextPanel = function() {
var elem = selectedElement;
// If element has just been deleted, consider it null
if(elem != null && !elem.parentNode) elem = null;
var currentLayer = svgCanvas.getCurrentLayer();
var currentMode = svgCanvas.getMode();
// No need to update anything else in rotate mode
if (currentMode == 'rotate' && elem != null) {
var ang = svgCanvas.getRotationAngle(elem);
$('#angle').val(ang);
$('#tool_reorient').toggleClass('disabled', ang == 0);
return;
}
var is_node = currentMode == 'pathedit'; //elem ? (elem.id && elem.id.indexOf('pathpointgrip') == 0) : false;
$('#selected_panel, #multiselected_panel, #g_panel, #rect_panel, #circle_panel,\
#ellipse_panel, #line_panel, #text_panel, #image_panel').hide();
if (elem != null) {
var elname = elem.nodeName;
var angle = svgCanvas.getRotationAngle(elem);
$('#angle').val(angle);
if(svgCanvas.addedNew) {
if(elname == 'image') {
promptImgURL();
} else if(elname == 'text') {
// TODO: Do something here for new text
}
}
if(!is_node && currentMode != 'pathedit') {
$('#selected_panel').show();
// Elements in this array already have coord fields
if($.inArray(elname, ['line', 'circle', 'ellipse']) != -1) {
$('#xy_panel').hide();
} else {
var x,y;
// Get BBox vals for g, polyline and path
if($.inArray(elname, ['g', 'polyline', 'path']) != -1) {
var bb = svgCanvas.getStrokedBBox([elem]);
if(bb) {
x = bb.x;
y = bb.y;
}
} else {
x = elem.getAttribute('x');
y = elem.getAttribute('y');
}
$('#selected_x').val(x || 0);
$('#selected_y').val(y || 0);
$('#xy_panel').show();
}
// Elements in this array cannot be converted to a path
var no_path = $.inArray(elname, ['image', 'text', 'path', 'g', 'use']) == -1;
$('#tool_topath').toggle(no_path);
$('#tool_reorient').toggle(elname == 'path');
$('#tool_reorient').toggleClass('disabled', angle == 0);
} else {
var point = path.getNodePoint();
$('#tool_add_subpath').removeClass('push_button_pressed').addClass('tool_button');
$('#tool_node_delete').toggleClass('disabled', !path.canDeleteNodes);
if(point) {
var seg_type = $('#seg_type');
$('#path_node_x').val(point.x);
$('#path_node_y').val(point.y);
if(point.type) {
seg_type.val(point.type).removeAttr('disabled');
} else {
seg_type.val(4).attr('disabled','disabled');
}
}
return;
}
// update contextual tools here
var panels = {
g: [],
rect: ['rx','width','height'],
image: ['width','height'],
circle: ['cx','cy','r'],
ellipse: ['cx','cy','rx','ry'],
line: ['x1','y1','x2','y2'],
text: []
};
var el_name = elem.tagName;
if(panels[el_name]) {
var cur_panel = panels[el_name];
$('#' + el_name + '_panel').show();
$.each(cur_panel, function(i, item) {
$('#' + el_name + '_' + item).val(elem.getAttribute(item) || 0);
});
if(el_name == 'text') {
$('#text_panel').css("display", "inline");
if (svgCanvas.getItalic()) {
$('#tool_italic').addClass('push_button_pressed').removeClass('tool_button');
}
else {
$('#tool_italic').removeClass('push_button_pressed').addClass('tool_button');
}
if (svgCanvas.getBold()) {
$('#tool_bold').addClass('push_button_pressed').removeClass('tool_button');
}
else {
$('#tool_bold').removeClass('push_button_pressed').addClass('tool_button');
}
$('#font_family').val(elem.getAttribute("font-family"));
$('#font_size').val(elem.getAttribute("font-size"));
$('#text').val(elem.textContent);
if (svgCanvas.addedNew) {
$('#text').focus().select();
}
} // text
else if(el_name == 'image') {
var xlinkNS="http://www.w3.org/1999/xlink";
var href = elem.getAttributeNS(xlinkNS, "href");
setImageURL(href);
} // image
}
} // if (elem != null)
else if (multiselected) {
$('#multiselected_panel').show();
}
// update history buttons
if (svgCanvas.getUndoStackSize() > 0) {
$('#tool_undo').removeClass( 'disabled');
}
else {
$('#tool_undo').addClass( 'disabled');
}
if (svgCanvas.getRedoStackSize() > 0) {
$('#tool_redo').removeClass( 'disabled');
}
else {
$('#tool_redo').addClass( 'disabled');
}
svgCanvas.addedNew = false;
if ( (elem && !is_node) || multiselected) {
// update the selected elements' layer
$('#selLayerNames').removeAttr('disabled').val(currentLayer);
}
else {
$('#selLayerNames').attr('disabled', 'disabled');
}
};
$('#text').focus( function(){ textBeingEntered = true; } );
$('#text').blur( function(){ textBeingEntered = false; } );
// bind the selected event to our function that handles updates to the UI
svgCanvas.bind("selected", selectedChanged);
svgCanvas.bind("changed", elementChanged);
svgCanvas.bind("saved", saveHandler);
svgCanvas.bind("zoomed", zoomChanged);
svgCanvas.bind("extension_added", extAdded);
var str = ''
$.each(palette, function(i,item){
str += '';
});
$('#palette').append(str);
// Set up editor background functionality
// TODO add checkerboard as "pattern"
var color_blocks = ['#FFF','#888','#000']; // ,'url(data:image/gif;base64,R0lGODlhEAAQAIAAAP%2F%2F%2F9bW1iH5BAAAAAAALAAAAAAQABAAAAIfjG%2Bgq4jM3IFLJgpswNly%2FXkcBpIiVaInlLJr9FZWAQA7)'];
var str = '';
$.each(color_blocks, function() {
str += '';
});
$('#bg_blocks').append(str);
var blocks = $('#bg_blocks div');
var cur_bg = 'cur_background';
blocks.each(function() {
var blk = $(this);
blk.click(function() {
blocks.removeClass(cur_bg);
$(this).addClass(cur_bg);
});
});
if($.pref('bkgd_color')) {
setBackground($.pref('bkgd_color'), $.pref('bkgd_url'));
} else if($.pref('bkgd_url')) {
// No color set, only URL
setBackground(defaultPrefs.bkgd_color, $.pref('bkgd_url'));
}
if($.pref('img_save')) {
curPrefs.img_save = $.pref('img_save');
$('#image_save_opts input').val([curPrefs.img_save]);
}
var changeRectRadius = function(ctl) {
svgCanvas.setRectRadius(ctl.value);
}
var changeFontSize = function(ctl) {
svgCanvas.setFontSize(ctl.value);
}
var changeStrokeWidth = function(ctl) {
var val = ctl.value;
if(val == 0 && selectedElement && $.inArray(selectedElement.nodeName, ['line', 'polyline']) != -1) {
val = ctl.value = 1;
}
svgCanvas.setStrokeWidth(val);
}
var changeRotationAngle = function(ctl) {
svgCanvas.setRotationAngle(ctl.value);
$('#tool_reorient').toggleClass('disabled', ctl.value == 0);
}
var changeZoom = function(ctl) {
var zoomlevel = ctl.value / 100;
var zoom = svgCanvas.getZoom();
var w_area = workarea;
zoomChanged(window, {
width: 0,
height: 0,
// center pt of scroll position
x: (w_area[0].scrollLeft + w_area.width()/2)/zoom,
y: (w_area[0].scrollTop + w_area.height()/2)/zoom,
zoom: zoomlevel
}, true);
}
var changeOpacity = function(ctl, val) {
if(val == null) val = ctl.value;
$('#group_opacity').val(val);
if(!ctl || !ctl.handle) {
$('#opac_slider').slider('option', 'value', val);
}
svgCanvas.setOpacity(val/100);
}
var operaRepaint = function() {
// Repaints canvas in Opera. Needed for stroke-dasharray change as well as fill change
if(!window.opera) return;
$('').hide().appendTo('body').remove();
}
$('#stroke_style').change(function(){
svgCanvas.setStrokeStyle(this.options[this.selectedIndex].value);
operaRepaint();
});
// Lose focus for select elements when changed (Allows keyboard shortcuts to work better)
$('select').change(function(){$(this).blur();});
// fired when user wants to move elements to another layer
var promptMoveLayerOnce = false;
$('#selLayerNames').change(function(){
var destLayer = this.options[this.selectedIndex].value;
var confirm_str = uiStrings.QmoveElemsToLayer.replace('%s',destLayer);
var moveToLayer = function(ok) {
if(!ok) return;
promptMoveLayerOnce = true;
svgCanvas.moveSelectedToLayer(destLayer);
svgCanvas.clearSelection();
populateLayers();
}
if (destLayer) {
if(promptMoveLayerOnce) {
moveToLayer(true);
} else {
$.confirm(confirm_str, moveToLayer);
}
}
});
$('#font_family').change(function() {
svgCanvas.setFontFamily(this.value);
});
$('#seg_type').change(function() {
svgCanvas.setSegType($(this).val());
});
$('#text').keyup(function(){
svgCanvas.setTextContent(this.value);
});
$('#image_url').change(function(){
setImageURL(this.value);
});
$('.attr_changer').change(function() {
var attr = this.getAttribute("data-attr");
var val = this.value;
var valid = svgCanvas.isValidUnit(attr, val);
if(!valid) {
$.alert(uiStrings.invalidAttrValGiven);
this.value = selectedElement.getAttribute(attr);
return false;
}
// if the user is changing the id, then de-select the element first
// change the ID, then re-select it with the new ID
if (attr == "id") {
var elem = selectedElement;
svgCanvas.clearSelection();
elem.id = val;
svgCanvas.addToSelection([elem],true);
}
else {
svgCanvas.changeSelectedAttribute(attr, val);
}
});
// Prevent selection of elements when shift-clicking
$('#palette').mouseover(function() {
var inp = $('');
$(this).append(inp);
inp.focus().remove();
});
$('.palette_item').click(function(evt){
var picker = (evt.shiftKey ? "stroke" : "fill");
var id = (evt.shiftKey ? '#stroke_' : '#fill_');
var color = $(this).attr('data-rgb');
var rectbox = document.getElementById("gradbox_"+picker).parentNode.firstChild;
var paint = null;
// Webkit-based browsers returned 'initial' here for no stroke
if (color == 'transparent' || color == 'initial') {
color = 'none';
$(id + "opacity").html("N/A");
paint = new $.jGraduate.Paint();
}
else {
paint = new $.jGraduate.Paint({alpha: 100, solidColor: color.substr(1)});
}
rectbox.setAttribute("fill", color);
rectbox.setAttribute("opacity", 1);
if (evt.shiftKey) {
strokePaint = paint;
if (svgCanvas.getStrokeColor() != color) {
svgCanvas.setStrokeColor(color);
}
if (color != 'none' && svgCanvas.getStrokeOpacity() != 1) {
svgCanvas.setStrokeOpacity(1.0);
}
} else {
fillPaint = paint;
if (svgCanvas.getFillColor() != color) {
svgCanvas.setFillColor(color);
}
if (color != 'none' && svgCanvas.getFillOpacity() != 1) {
svgCanvas.setFillOpacity(1.0);
}
}
updateToolButtonState();
});
// This is a common function used when a tool has been clicked (chosen)
// It does several common things:
// - removes the tool_button_current class from whatever tool currently has it
// - hides any flyouts
// - adds the tool_button_current class to the button passed in
var toolButtonClick = function(button, fadeFlyouts) {
if ($(button).hasClass('disabled')) return false;
if($(button).parent().hasClass('tools_flyout')) return true;
var fadeFlyouts = fadeFlyouts || 'normal';
$('.tools_flyout').fadeOut(fadeFlyouts);
$('#styleoverrides').text('');
$('.tool_button_current').removeClass('tool_button_current').addClass('tool_button');
$(button).addClass('tool_button_current').removeClass('tool_button');
// when a tool is selected, we should deselect any currently selected elements
svgCanvas.clearSelection();
return true;
};
(function() {
var button = $('#main_icon');
var overlay = $('#main_icon span');
var list = $('#main_menu');
var on_button = false;
var height = 0;
var js_hover = true;
var set_click = false;
var hideMenu = function() {
list.fadeOut(200);
};
$(window).mouseup(function(evt) {
if(!on_button) {
button.removeClass('buttondown');
// do not hide if it was the file input as that input needs to be visible
// for its change event to fire
if (evt.target.localName != "input") {
list.fadeOut(200);
} else if(!set_click) {
set_click = true;
$(evt.target).click(function() {
list.css('margin-left','-9999px').show();
});
}
}
on_button = false;
}).mousedown(function() {
$('.tools_flyout:visible').fadeOut();
});
overlay.bind('mousedown',function() {
if (!button.hasClass('buttondown')) {
button.addClass('buttondown').removeClass('buttonup')
// Margin must be reset in case it was changed before;
list.css('margin-left',0).show();
if(!height) {
height = list.height();
}
// Using custom animation as slideDown has annoying "bounce effect"
list.css('height',0).animate({
'height': height
},200);
on_button = true;
return false;
} else {
button.removeClass('buttondown').addClass('buttonup');
list.fadeOut(200);
}
}).hover(function() {
on_button = true;
}).mouseout(function() {
on_button = false;
});
var list_items = $('#main_menu li');
// Check if JS method of hovering needs to be used (Webkit bug)
list_items.mouseover(function() {
js_hover = ($(this).css('background-color') == 'rgba(0, 0, 0, 0)');
list_items.unbind('mouseover');
if(js_hover) {
list_items.mouseover(function() {
this.style.backgroundColor = '#FFC';
}).mouseout(function() {
this.style.backgroundColor = 'transparent';
return true;
});
}
});
}());
var addDropDown = function(elem, callback, dropUp) {
var button = $(elem).find('button');
var list = $(elem).find('ul');
var on_button = false;
if(dropUp) {
$(elem).addClass('dropup');
}
$(elem).find('li').bind('mouseup', callback);
$(window).mouseup(function(evt) {
if(!on_button) {
button.removeClass('down');
list.hide();
}
on_button = false;
});
button.bind('mousedown',function() {
if (!button.hasClass('down')) {
button.addClass('down');
list.show();
on_button = true;
} else {
button.removeClass('down');
list.hide();
}
}).hover(function() {
on_button = true;
}).mouseout(function() {
on_button = false;
});
}
addDropDown('#font_family_dropdown', function() {
var fam = $(this).text();
$('#font_family').val($(this).text()).change();
});
addDropDown('#opacity_dropdown', function() {
if($(this).find('div').length) return;
var perc = parseInt($(this).text().split('%')[0]);
changeOpacity(false, perc);
}, true);
// For slider usage, see: http://jqueryui.com/demos/slider/
$("#opac_slider").slider({
start: function() {
$('#opacity_dropdown li:not(.special)').hide();
},
stop: function() {
$('#opacity_dropdown li').show();
$(window).mouseup();
},
slide: function(evt, ui){
changeOpacity(ui);
}
});
addDropDown('#zoom_dropdown', function() {
var item = $(this);
var val = item.attr('data-val');
if(val) {
zoomChanged(window, val);
} else {
changeZoom({value:parseInt(item.text())});
}
}, true);
/*
When a flyout icon is selected
(if flyout) {
- Change the icon
- Make pressing the button run its stuff
}
- Run its stuff
When its shortcut key is pressed
- If not current in list, do as above
, else:
- Just run its stuff
*/
// var setIcon = function(holder_sel, id) {
// var icon = $.getSvgIcon(id).clone();
// var holder = $(holder_sel);
// icon[0].setAttribute('width',holder.width());
// icon[0].setAttribute('height',holder.height());
// holder.empty().append(icon)
// .attr('data-curopt', holder_sel.replace('_show','')); // This sets the current mode
// }
var clickSelect = function() {
if (toolButtonClick('#tool_select')) {
svgCanvas.setMode('select');
$('#styleoverrides').text('#svgcanvas svg *{cursor:move;pointer-events:all}, #svgcanvas svg{cursor:default}');
}
};
var clickFHPath = function() {
if (toolButtonClick('#tool_fhpath')) {
svgCanvas.setMode('fhpath');
}
};
var clickLine = function() {
if (toolButtonClick('#tool_line')) {
svgCanvas.setMode('line');
}
};
var clickSquare = function(){
svgCanvas.setMode('square');
};
var clickRect = function(){
svgCanvas.setMode('rect');
};
var clickFHRect = function(){
svgCanvas.setMode('fhrect');
};
var clickCircle = function(){
svgCanvas.setMode('circle');
};
var clickEllipse = function(){
svgCanvas.setMode('ellipse');
};
var clickFHEllipse = function(){
svgCanvas.setMode('fhellipse');
};
var clickImage = function(){
if (toolButtonClick('#tool_image')) {
svgCanvas.setMode('image');
}
};
var clickZoom = function(){
if (toolButtonClick('#tool_zoom')) {
workarea.css('cursor','crosshair');
svgCanvas.setMode('zoom');
}
};
var dblclickZoom = function(){
if (toolButtonClick('#tool_zoom')) {
zoomImage();
setSelectMode();
}
};
var clickText = function(){
toolButtonClick('#tool_text');
svgCanvas.setMode('text');
};
var clickPath = function(){
toolButtonClick('#tool_path');
svgCanvas.setMode('path');
};
// Delete is a contextual tool that only appears in the ribbon if
// an element has been selected
var deleteSelected = function() {
if (selectedElement != null || multiselected) {
svgCanvas.deleteSelectedElements();
}
};
var moveToTopSelected = function() {
if (selectedElement != null) {
svgCanvas.moveToTopSelectedElement();
}
};
var moveToBottomSelected = function() {
if (selectedElement != null) {
svgCanvas.moveToBottomSelectedElement();
}
};
var convertToPath = function() {
if (selectedElement != null) {
svgCanvas.convertToPath();
}
}
var reorientPath = function() {
if (selectedElement != null) {
path.reorient();
}
}
var moveSelected = function(dx,dy) {
if (selectedElement != null || multiselected) {
svgCanvas.moveSelectedElements(dx,dy);
}
};
var linkControlPoints = function() {
var linked = !$('#tool_node_link').hasClass('push_button_pressed');
if (linked)
$('#tool_node_link').addClass('push_button_pressed').removeClass('tool_button');
else
$('#tool_node_link').removeClass('push_button_pressed').addClass('tool_button');
path.linkControlPoints(linked);
}
var clonePathNode = function() {
if (path.getNodePoint()) {
path.clonePathNode();
}
};
var deletePathNode = function() {
if (path.getNodePoint()) {
path.deletePathNode();
}
};
var addSubPath = function() {
var button = $('#tool_add_subpath');
var sp = !button.hasClass('push_button_pressed');
if (sp) {
button.addClass('push_button_pressed').removeClass('tool_button');
} else {
button.removeClass('push_button_pressed').addClass('tool_button');
}
path.addSubPath(sp);
};
var selectNext = function() {
svgCanvas.cycleElement(1);
};
var selectPrev = function() {
svgCanvas.cycleElement(0);
};
var rotateSelected = function(cw) {
if (selectedElement == null || multiselected) return;
var step = 5;
if(!cw) step *= -1;
var new_angle = $('#angle').val()*1 + step;
svgCanvas.setRotationAngle(new_angle);
updateContextPanel();
};
var clickClear = function(){
var dims = curConfig.dimensions;
$.confirm(uiStrings.QwantToClear, function(ok) {
if(!ok) return;
setSelectMode();
svgCanvas.clear();
svgCanvas.setResolution(dims[0], dims[1]);
updateCanvas(true);
zoomImage();
populateLayers();
updateContextPanel();
});
};
var clickBold = function(){
svgCanvas.setBold( !svgCanvas.getBold() );
updateContextPanel();
};
var clickItalic = function(){
svgCanvas.setItalic( !svgCanvas.getItalic() );
updateContextPanel();
};
var clickSave = function(){
// In the future, more options can be provided here
var saveOpts = {
'images': curPrefs.img_save,
'round_digits': 6
}
svgCanvas.save(saveOpts);
};
// by default, svgCanvas.open() is a no-op.
// it is up to an extension mechanism (opera widget, etc)
// to call setCustomHandlers() which will make it do something
var clickOpen = function(){
svgCanvas.open();
};
var clickImport = function(){
};
var clickUndo = function(){
if (svgCanvas.getUndoStackSize() > 0) {
svgCanvas.undo();
populateLayers();
}
};
var clickRedo = function(){
if (svgCanvas.getRedoStackSize() > 0) {
svgCanvas.redo();
populateLayers();
}
};
var clickGroup = function(){
// group
if (multiselected) {
svgCanvas.groupSelectedElements();
}
// ungroup
else if(selectedElement && selectedElement.tagName == 'g'){
svgCanvas.ungroupSelectedElement();
}
};
var clickClone = function(){
svgCanvas.cloneSelectedElements();
};
var clickAlign = function() {
var letter = this.id.replace('tool_align','').charAt(0);
svgCanvas.alignSelectedElements(letter, $('#align_relative_to').val());
};
var zoomImage = function(multiplier) {
var res = svgCanvas.getResolution();
multiplier = multiplier?res.zoom * multiplier:1;
// setResolution(res.w * multiplier, res.h * multiplier, true);
$('#zoom').val(multiplier * 100);
svgCanvas.setZoom(multiplier);
zoomDone();
updateCanvas(true);
};
var zoomDone = function() {
// updateBgImage();
updateWireFrame();
//updateCanvas(); // necessary?
}
var clickWireframe = function() {
var wf = !$('#tool_wireframe').hasClass('push_button_pressed');
if (wf)
$('#tool_wireframe').addClass('push_button_pressed').removeClass('tool_button');
else
$('#tool_wireframe').removeClass('push_button_pressed').addClass('tool_button');
workarea.toggleClass('wireframe');
if(supportsNonSS) return;
var wf_rules = $('#wireframe_rules');
if(!wf_rules.length) {
wf_rules = $('