mediawiki-extensions-Visual.../modules/es/tools/es.FormatDropdownTool.js

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2011-12-05 21:10:19 +00:00
/**
* Creates an es.FormatDropdownTool object.
*
* @class
* @constructor
* @extends {es.DropdownTool}
* @param {es.ToolbarView} toolbar
* @param {String} name
* @param {Object[]} items
*/
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es.FormatDropdownTool = function( toolbar, name ) {
// Inheritance
es.DropdownTool.call( this, toolbar, name, [
{
'name': 'paragraph',
'label': 'Paragraph',
'type' : 'paragraph'
},
{
'name': 'heading-1',
'label': 'Heading 1',
'type' : 'heading',
'attributes': { 'level': 1 }
},
{
'name': 'heading-2',
'label': 'Heading 2',
'type' : 'heading',
'attributes': { 'level': 2 }
},
{
'name': 'heading-3',
'label': 'Heading 3',
'type' : 'heading',
'attributes': { 'level': 3 }
},
{
'name': 'heading-4',
'label': 'Heading 4',
'type' : 'heading',
'attributes': { 'level': 4 }
},
{
'name': 'heading-5',
'label': 'Heading 5',
'type' : 'heading',
'attributes': { 'level': 5 }
},
{
'name': 'heading-6',
'label': 'Heading 6',
'type' : 'heading',
'attributes': { 'level': 6 }
},
{
'name': 'pre',
'label': 'Preformatted',
'type' : 'pre'
}
] );
};
/* Methods */
es.FormatDropdownTool.prototype.onSelect = function( item ) {
var txs = this.toolbar.surfaceView.model.getDocument().prepareLeafConversion(
this.toolbar.surfaceView.currentSelection,
item.type,
item.attributes
);
this.toolbar.surfaceView.model.transact( txs );
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};
es.FormatDropdownTool.prototype.updateState = function( annotations, nodes ) {
// Get type and attributes of the first node
var i,
format = {
'type': nodes[0].getElementType(),
'attributes': nodes[0].getElement().attributes
};
// Look for mismatches, in which case format should be null
for ( i = 1; i < nodes.length; i++ ) {
if ( format.type != nodes[i].getElementType() ||
!es.compareObjects( format.attributes, nodes[i].element.attributes ) ) {
format = null;
break;
}
}
if ( format === null ) {
this.$label.html( '&nbsp;' );
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} else {
var items = this.menuView.getItems();
for ( i = 0; i < items.length; i++ ) {
if (
format.type === items[i].type &&
es.compareObjects( format.attributes, items[i].attributes )
) {
this.$label.text( items[i].label );
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break;
}
}
}
};
/* Registration */
es.Tool.tools.format = {
'constructor': es.FormatDropdownTool,
'name': 'format'
};
/* Inheritance */
es.extendClass( es.FormatDropdownTool, es.DropdownTool );