mediawiki-extensions-Visual.../contentEditable/views/es.DocumentViewLeafNode.js
2012-01-25 18:54:12 +00:00

92 lines
2.4 KiB
JavaScript

/**
* Creates an es.DocumentViewLeafNode object.
*
* @class
* @abstract
* @constructor
* @extends {es.DocumentLeafNode}
* @extends {es.DocumentViewNode}
* @param model {es.ModelNode} Model to observe
* @param {jQuery} [$element] Element to use as a container
*/
es.DocumentViewLeafNode = function( model, $element ) {
// Inheritance
es.DocumentLeafNode.call( this );
es.DocumentViewNode.call( this, model, $element );
this.$.data('view', this);
// Properties
this.$content = this.$;
this.contentView = new es.ContentView( this.$content, model );
// Events
this.contentView.on( 'update', this.emitUpdate );
};
/* Methods */
/**
* Render content.
*
* @method
*/
es.DocumentViewLeafNode.prototype.renderContent = function() {
this.contentView.render();
};
/**
* Draw selection around a given range.
*
* @method
* @param {es.Range} range Range of content to draw selection around
*/
es.DocumentViewLeafNode.prototype.drawSelection = function( range ) {
this.contentView.drawSelection( range );
};
/**
* Clear selection.
*
* @method
*/
es.DocumentViewLeafNode.prototype.clearSelection = function() {
this.contentView.clearSelection();
};
/**
* Gets the nearest offset of a rendered position.
*
* @method
* @param {es.Position} position Position to get offset for
* @returns {Integer} Offset of position
*/
es.DocumentViewLeafNode.prototype.getOffsetFromRenderedPosition = function( position ) {
return this.contentView.getOffsetFromRenderedPosition( position );
};
/**
* Gets rendered position of offset within content.
*
* @method
* @param {Integer} offset Offset to get position for
* @returns {es.Position} Position of offset
*/
es.DocumentViewLeafNode.prototype.getRenderedPositionFromOffset = function( offset, leftBias ) {
var position = this.contentView.getRenderedPositionFromOffset( offset, leftBias ),
contentPosition = this.$content.offset();
position.top += contentPosition.top;
position.left += contentPosition.left;
position.bottom += contentPosition.top;
return position;
};
es.DocumentViewLeafNode.prototype.getRenderedLineRangeFromOffset = function( offset ) {
return this.contentView.getRenderedLineRangeFromOffset( offset );
};
/* Inheritance */
es.extendClass( es.DocumentViewLeafNode, es.DocumentLeafNode );
es.extendClass( es.DocumentViewLeafNode, es.DocumentViewNode );