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584 lines
18 KiB
JavaScript
584 lines
18 KiB
JavaScript
define("dijit/_editor/plugins/FontChoice", [
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"dojo/_base/array", // array.indexOf array.map
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"dojo/_base/declare", // declare
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"dojo/dom-construct", // domConstruct.place
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"dojo/i18n", // i18n.getLocalization
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"dojo/_base/lang", // lang.delegate lang.hitch lang.isString
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"dojo/store/Memory", // MemoryStore
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"../../registry", // registry.getUniqueId
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"../../_Widget",
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"../../_TemplatedMixin",
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"../../_WidgetsInTemplateMixin",
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"../../form/FilteringSelect",
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"../_Plugin",
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"../range",
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"dojo/i18n!../nls/FontChoice"
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], function(array, declare, domConstruct, i18n, lang, MemoryStore,
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registry, _Widget, _TemplatedMixin, _WidgetsInTemplateMixin, FilteringSelect, _Plugin, rangeapi){
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// module:
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// dijit/_editor/plugins/FontChoice
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var _FontDropDown = declare("dijit._editor.plugins._FontDropDown",
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[_Widget, _TemplatedMixin, _WidgetsInTemplateMixin], {
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// summary:
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// Base class for widgets that contains a label (like "Font:")
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// and a FilteringSelect drop down to pick a value.
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// Used as Toolbar entry.
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// label: [public] String
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// The label to apply to this particular FontDropDown.
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label: "",
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// plainText: [public] boolean
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// Flag to indicate that the returned label should be plain text
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// instead of an example.
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plainText: false,
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// templateString: [public] String
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// The template used to construct the labeled dropdown.
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templateString:
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"<span style='white-space: nowrap' class='dijit dijitReset dijitInline'>" +
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"<label class='dijitLeft dijitInline' for='${selectId}'>${label}</label>" +
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"<input data-dojo-type='dijit.form.FilteringSelect' required='false' " +
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"data-dojo-props='labelType:\"html\", labelAttr:\"label\", searchAttr:\"name\"' " +
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"tabIndex='-1' id='${selectId}' data-dojo-attach-point='select' value=''/>" +
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"</span>",
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postMixInProperties: function(){
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// summary:
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// Over-ride to set specific properties.
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this.inherited(arguments);
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this.strings = i18n.getLocalization("dijit._editor", "FontChoice");
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// Set some substitution variables used in the template
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this.label = this.strings[this.command];
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// _WidgetBase sets the id after postMixInProperties(), but we need it now.
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// Alternative is to have a buildRendering() method and move this.selectId setting there,
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// or alternately get rid of selectId variable and just access ${id} in template?
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this.id = registry.getUniqueId(this.declaredClass.replace(/\./g,"_"));
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this.selectId = this.id + "_select"; // used in template
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this.inherited(arguments);
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},
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postCreate: function(){
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// summary:
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// Over-ride for the default postCreate action
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// This establishes the filtering selects and the like.
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// Initialize the list of items in the drop down by creating data store with items like:
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// {value: 1, name: "xx-small", label: "<font size=1>xx-small</font-size>" }
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this.select.set("store", new MemoryStore({
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idProperty: "value",
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data: array.map(this.values, function(value){
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var name = this.strings[value] || value;
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return {
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label: this.getLabel(value, name),
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name: name,
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value: value
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};
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}, this)
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}));
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this.select.set("value", "", false);
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this.disabled = this.select.get("disabled");
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},
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_setValueAttr: function(value, priorityChange){
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// summary:
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// Over-ride for the default action of setting the
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// widget value, maps the input to known values
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// value: Object|String
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// The value to set in the select.
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// priorityChange:
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// Optional parameter used to tell the select whether or not to fire
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// onChange event.
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// if the value is not a permitted value, just set empty string to prevent showing the warning icon
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priorityChange = priorityChange !== false;
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this.select.set('value', array.indexOf(this.values,value) < 0 ? "" : value, priorityChange);
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if(!priorityChange){
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// Clear the last state in case of updateState calls. Ref: #10466
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this.select._lastValueReported=null;
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}
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},
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_getValueAttr: function(){
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// summary:
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// Allow retrieving the value from the composite select on
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// call to button.get("value");
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return this.select.get('value');
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},
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focus: function(){
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// summary:
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// Over-ride for focus control of this widget. Delegates focus down to the
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// filtering select.
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this.select.focus();
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},
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_setDisabledAttr: function(value){
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// summary:
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// Over-ride for the button's 'disabled' attribute so that it can be
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// disabled programmatically.
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// Save off ths disabled state so the get retrieves it correctly
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//without needing to have a function proxy it.
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this.disabled = value;
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this.select.set("disabled", value);
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}
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});
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var _FontNameDropDown = declare("dijit._editor.plugins._FontNameDropDown", _FontDropDown, {
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// summary:
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// Dropdown to select a font; goes in editor toolbar.
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// generic: [const] Boolean
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// Use generic (web standard) font names
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generic: false,
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// command: [public] String
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// The editor 'command' implemented by this plugin.
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command: "fontName",
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postMixInProperties: function(){
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// summary:
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// Over-ride for the default posr mixin control
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if(!this.values){
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this.values = this.generic ?
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["serif", "sans-serif", "monospace", "cursive", "fantasy"] : // CSS font-family generics
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["Arial", "Times New Roman", "Comic Sans MS", "Courier New"];
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}
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this.inherited(arguments);
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},
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getLabel: function(value, name){
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// summary:
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// Function used to generate the labels of the format dropdown
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// will return a formatted, or plain label based on the value
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// of the plainText option.
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// value: String
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// The 'insert value' associated with a name
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// name: String
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// The text name of the value
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if(this.plainText){
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return name;
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}else{
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return "<div style='font-family: "+value+"'>" + name + "</div>";
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}
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},
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_setValueAttr: function(value, priorityChange){
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// summary:
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// Over-ride for the default action of setting the
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// widget value, maps the input to known values
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priorityChange = priorityChange !== false;
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if(this.generic){
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var map = {
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"Arial": "sans-serif",
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"Helvetica": "sans-serif",
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"Myriad": "sans-serif",
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"Times": "serif",
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"Times New Roman": "serif",
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"Comic Sans MS": "cursive",
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"Apple Chancery": "cursive",
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"Courier": "monospace",
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"Courier New": "monospace",
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"Papyrus": "fantasy",
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"Estrangelo Edessa": "cursive", // Windows 7
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"Gabriola": "fantasy" // Windows 7
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};
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value = map[value] || value;
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}
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this.inherited(arguments, [value, priorityChange]);
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}
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});
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var _FontSizeDropDown = declare("dijit._editor.plugins._FontSizeDropDown", _FontDropDown, {
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// summary:
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// Dropdown to select a font size; goes in editor toolbar.
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// command: [public] String
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// The editor 'command' implemented by this plugin.
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command: "fontSize",
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// values: [public] Number[]
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// The HTML font size values supported by this plugin
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values: [1,2,3,4,5,6,7], // sizes according to the old HTML FONT SIZE
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getLabel: function(value, name){
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// summary:
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// Function used to generate the labels of the format dropdown
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// will return a formatted, or plain label based on the value
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// of the plainText option.
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// We're stuck using the deprecated FONT tag to correspond
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// with the size measurements used by the editor
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// value: String
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// The 'insert value' associated with a name
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// name: String
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// The text name of the value
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if(this.plainText){
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return name;
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}else{
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return "<font size=" + value + "'>" + name + "</font>";
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}
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},
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_setValueAttr: function(value, priorityChange){
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// summary:
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// Over-ride for the default action of setting the
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// widget value, maps the input to known values
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priorityChange = priorityChange !== false;
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if(value.indexOf && value.indexOf("px") != -1){
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var pixels = parseInt(value, 10);
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value = {10:1, 13:2, 16:3, 18:4, 24:5, 32:6, 48:7}[pixels] || value;
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}
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this.inherited(arguments, [value, priorityChange]);
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}
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});
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var _FormatBlockDropDown = declare("dijit._editor.plugins._FormatBlockDropDown", _FontDropDown, {
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// summary:
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// Dropdown to select a format (like paragraph or heading); goes in editor toolbar.
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// command: [public] String
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// The editor 'command' implemented by this plugin.
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command: "formatBlock",
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// values: [public] Array
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// The HTML format tags supported by this plugin
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values: ["noFormat", "p", "h1", "h2", "h3", "pre"],
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postCreate: function(){
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// Init and set the default value to no formatting. Update state will adjust it
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// as needed.
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this.inherited(arguments);
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this.set("value", "noFormat", false);
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},
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getLabel: function(value, name){
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// summary:
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// Function used to generate the labels of the format dropdown
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// will return a formatted, or plain label based on the value
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// of the plainText option.
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// value: String
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// The 'insert value' associated with a name
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// name: String
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// The text name of the value
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if(this.plainText || value == "noFormat"){
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return name;
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}else{
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return "<" + value + ">" + name + "</" + value + ">";
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}
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},
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_execCommand: function(editor, command, choice){
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// summary:
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// Over-ride for default exec-command label.
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// Allows us to treat 'none' as special.
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if(choice === "noFormat"){
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var start;
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var end;
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var sel = rangeapi.getSelection(editor.window);
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if(sel && sel.rangeCount > 0){
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var range = sel.getRangeAt(0);
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var node, tag;
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if(range){
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start = range.startContainer;
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end = range.endContainer;
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// find containing nodes of start/end.
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while(start && start !== editor.editNode &&
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start !== editor.document.body &&
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start.nodeType !== 1){
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start = start.parentNode;
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}
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while(end && end !== editor.editNode &&
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end !== editor.document.body &&
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end.nodeType !== 1){
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end = end.parentNode;
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}
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var processChildren = lang.hitch(this, function(node, ary){
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if(node.childNodes && node.childNodes.length){
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var i;
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for(i = 0; i < node.childNodes.length; i++){
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var c = node.childNodes[i];
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if(c.nodeType == 1){
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if(editor._sCall("inSelection", [c])){
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var tag = c.tagName? c.tagName.toLowerCase(): "";
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if(array.indexOf(this.values, tag) !== -1){
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ary.push(c);
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}
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processChildren(c, ary);
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}
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}
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}
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}
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});
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var unformatNodes = lang.hitch(this, function(nodes){
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// summary:
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// Internal function to clear format nodes.
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// nodes:
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// The array of nodes to strip formatting from.
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if(nodes && nodes.length){
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editor.beginEditing();
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while(nodes.length){
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this._removeFormat(editor, nodes.pop());
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}
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editor.endEditing();
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}
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});
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var clearNodes = [];
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if(start == end){
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//Contained within the same block, may be collapsed, but who cares, see if we
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// have a block element to remove.
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var block;
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node = start;
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while(node && node !== editor.editNode && node !== editor.document.body){
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if(node.nodeType == 1){
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tag = node.tagName? node.tagName.toLowerCase(): "";
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if(array.indexOf(this.values, tag) !== -1){
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block = node;
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break;
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}
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}
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node = node.parentNode;
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}
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//Also look for all child nodes in the selection that may need to be
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//cleared of formatting
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processChildren(start, clearNodes);
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if(block){ clearNodes = [block].concat(clearNodes); }
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unformatNodes(clearNodes);
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}else{
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// Probably a multi select, so we have to process it. Whee.
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node = start;
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while(editor._sCall("inSelection", [node])){
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if(node.nodeType == 1){
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tag = node.tagName? node.tagName.toLowerCase(): "";
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if(array.indexOf(this.values, tag) !== -1){
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clearNodes.push(node);
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}
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processChildren(node,clearNodes);
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}
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node = node.nextSibling;
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}
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unformatNodes(clearNodes);
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}
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editor.onDisplayChanged();
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}
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}
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}else{
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editor.execCommand(command, choice);
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}
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},
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_removeFormat: function(editor, node){
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// summary:
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// function to remove the block format node.
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// node:
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// The block format node to remove (and leave the contents behind)
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if(editor.customUndo){
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// So of course IE doesn't work right with paste-overs.
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// We have to do this manually, which is okay since IE already uses
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// customUndo and we turned it on for WebKit. WebKit pasted funny,
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// so couldn't use the execCommand approach
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while(node.firstChild){
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domConstruct.place(node.firstChild, node, "before");
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}
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node.parentNode.removeChild(node);
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}else{
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// Everyone else works fine this way, a paste-over and is native
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// undo friendly.
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editor._sCall("selectElementChildren", [node])
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var html = editor._sCall("getSelectedHtml", [])
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editor._sCall("selectElement", [node])
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editor.execCommand("inserthtml", html||"");
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}
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}
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});
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// TODO: for 2.0, split into FontChoice plugin into three separate classes,
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// one for each command (and change registry below)
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var FontChoice = declare("dijit._editor.plugins.FontChoice", _Plugin,{
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// summary:
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// This plugin provides three drop downs for setting style in the editor
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// (font, font size, and format block), as controlled by command.
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//
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// description:
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// The commands provided by this plugin are:
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//
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// - fontName: Provides a drop down to select from a list of font names
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// - fontSize: Provides a drop down to select from a list of font sizes
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// - formatBlock: Provides a drop down to select from a list of block styles
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// which can easily be added to an editor by including one or more of the above commands
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// in the `plugins` attribute as follows:
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//
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// | plugins="['fontName','fontSize',...]"
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//
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// It is possible to override the default dropdown list by providing an Array for the `custom` property when
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// instantiating this plugin, e.g.
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//
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// | plugins="[{name:'dijit._editor.plugins.FontChoice', command:'fontName', values:['Verdana','Myriad','Garamond']},...]"
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//
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// Alternatively, for `fontName` only, `generic:true` may be specified to provide a dropdown with
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// [CSS generic font families](http://www.w3.org/TR/REC-CSS2/fonts.html#generic-font-families).
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//
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// Note that the editor is often unable to properly handle font styling information defined outside
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// the context of the current editor instance, such as pre-populated HTML.
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// useDefaultCommand: [protected] Boolean
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// Override _Plugin.useDefaultCommand...
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// processing is handled by this plugin, not by dijit/Editor.
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useDefaultCommand: false,
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_initButton: function(){
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// summary:
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// Overrides _Plugin._initButton(), to initialize the FilteringSelect+label in toolbar,
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// rather than a simple button.
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// tags:
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// protected
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// Create the widget to go into the toolbar (the so-called "button")
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var clazz = {
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fontName: _FontNameDropDown,
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fontSize: _FontSizeDropDown,
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formatBlock: _FormatBlockDropDown
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}[this.command],
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params = this.params;
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// For back-compat reasons support setting custom values via "custom" parameter
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// rather than "values" parameter. Remove in 2.0.
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if(this.params.custom){
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params.values = this.params.custom;
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}
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var editor = this.editor;
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this.button = new clazz(lang.delegate({dir: editor.dir, lang: editor.lang}, params));
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// Reflect changes to the drop down in the editor
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this.connect(this.button.select, "onChange", function(choice){
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// User invoked change, since all internal updates set priorityChange to false and will
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// not trigger an onChange event.
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this.editor.focus();
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if(this.command == "fontName" && choice.indexOf(" ") != -1){ choice = "'" + choice + "'"; }
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// Invoke, the editor already normalizes commands called through its
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// execCommand.
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if(this.button._execCommand){
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this.button._execCommand(this.editor, this.command, choice);
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}else{
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this.editor.execCommand(this.command, choice);
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}
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});
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},
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updateState: function(){
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// summary:
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|
// Overrides _Plugin.updateState(). This controls updating the menu
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|
// options to the right values on state changes in the document (that trigger a
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// test of the actions.)
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|
// It set value of drop down in toolbar to reflect font/font size/format block
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// of text at current caret position.
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|
// tags:
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// protected
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var _e = this.editor;
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var _c = this.command;
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if(!_e || !_e.isLoaded || !_c.length){ return; }
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if(this.button){
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var disabled = this.get("disabled");
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this.button.set("disabled", disabled);
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if(disabled){ return; }
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var value;
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try{
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value = _e.queryCommandValue(_c) || "";
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}catch(e){
|
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//Firefox may throw error above if the editor is just loaded, ignore it
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value = "";
|
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}
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|
|
// strip off single quotes, if any
|
|
var quoted = lang.isString(value) && value.match(/'([^']*)'/);
|
|
if(quoted){ value = quoted[1]; }
|
|
|
|
if(_c === "formatBlock"){
|
|
if(!value || value == "p"){
|
|
// Some browsers (WebKit) doesn't actually get the tag info right.
|
|
// and IE returns paragraph when in a DIV!, so incorrect a lot,
|
|
// so we have double-check it.
|
|
value = null;
|
|
var elem;
|
|
// Try to find the current element where the caret is.
|
|
var sel = rangeapi.getSelection(this.editor.window);
|
|
if(sel && sel.rangeCount > 0){
|
|
var range = sel.getRangeAt(0);
|
|
if(range){
|
|
elem = range.endContainer;
|
|
}
|
|
}
|
|
|
|
// Okay, now see if we can find one of the formatting types we're in.
|
|
while(elem && elem !== _e.editNode && elem !== _e.document){
|
|
var tg = elem.tagName?elem.tagName.toLowerCase():"";
|
|
if(tg && array.indexOf(this.button.values, tg) > -1){
|
|
value = tg;
|
|
break;
|
|
}
|
|
elem = elem.parentNode;
|
|
}
|
|
if(!value){
|
|
// Still no value, so lets select 'none'.
|
|
value = "noFormat";
|
|
}
|
|
}else{
|
|
// Check that the block format is one allowed, if not,
|
|
// null it so that it gets set to empty.
|
|
if(array.indexOf(this.button.values, value) < 0){
|
|
value = "noFormat";
|
|
}
|
|
}
|
|
}
|
|
if(value !== this.button.get("value")){
|
|
// Set the value, but denote it is not a priority change, so no
|
|
// onchange fires.
|
|
this.button.set('value', value, false);
|
|
}
|
|
}
|
|
}
|
|
});
|
|
|
|
// Register these plugins
|
|
array.forEach(["fontName", "fontSize", "formatBlock"], function(name){
|
|
_Plugin.registry[name] = function(args){
|
|
return new FontChoice({
|
|
command: name,
|
|
plainText: args.plainText
|
|
});
|
|
};
|
|
});
|
|
|
|
// Make all classes available through AMD, and return main class
|
|
FontChoice._FontDropDown = _FontDropDown;
|
|
FontChoice._FontNameDropDown = _FontNameDropDown;
|
|
FontChoice._FontSizeDropDown = _FontSizeDropDown;
|
|
FontChoice._FormatBlockDropDown = _FormatBlockDropDown;
|
|
return FontChoice;
|
|
|
|
});
|