mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/VisualEditor
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113 lines
2.7 KiB
JavaScript
113 lines
2.7 KiB
JavaScript
/**
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* Creates an ve.ui.IndentationButtonTool object.
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*
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* @class
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* @constructor
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* @extends {ve.ui.ButtonTool}
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* @param {ve.ui.Toolbar} toolbar
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* @param {String} name
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*/
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ve.ui.IndentationButtonTool = function( toolbar, name, title, data ) {
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ve.ui.ButtonTool.call( this, toolbar, name, title );
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this.data = data;
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};
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/* Methods */
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ve.ui.IndentationButtonTool.prototype.onClick = function() {
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if ( !this.$.hasClass( 'es-toolbarButtonTool-disabled' ) ) {
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var listItems = [],
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listItem,
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i;
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for ( i = 0; i < this.nodes.length; i++ ) {
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listItem = this.nodes[i].getParent();
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if ( listItems.length > 0 ) {
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if (listItem != listItems[listItems.length - 1]) {
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listItems.push( listItem );
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}
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} else {
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listItems.push( listItem );
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}
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}
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if ( this.name === 'indent' ) {
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this.indent( listItems );
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} else if ( this.name === 'outdent' ) {
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this.outdent( listItems );
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}
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}
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};
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ve.ui.IndentationButtonTool.prototype.indent = function( listItems ) {
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var surface = this.toolbar.surfaceView,
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styles,
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i;
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for ( i = 0; i < listItems.length; i++ ) {
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styles = listItems[i].getElementAttribute( 'styles' );
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if ( styles.length < 6 ) {
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tx = surface.model.getDocument().prepareElementAttributeChange(
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surface.documentView.model.getOffsetFromNode( listItems[i], false ),
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'styles',
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styles.concat( styles[styles.length - 1] )
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);
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surface.model.transact( tx );
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}
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}
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surface.emitCursor();
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};
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ve.ui.IndentationButtonTool.prototype.outdent = function( listItems ) {
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var surface = this.toolbar.surfaceView,
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styles,
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i;
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for ( i = 0; i < listItems.length; i++ ) {
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styles = listItems[i].getElementAttribute( 'styles' );
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if ( styles.length > 1 ) {
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tx = surface.model.getDocument().prepareElementAttributeChange(
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surface.documentView.model.getOffsetFromNode( listItems[i], false ),
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'styles',
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styles.slice( 0, styles.length - 1 )
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);
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surface.model.transact( tx );
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}
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}
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surface.emitCursor();
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};
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ve.ui.IndentationButtonTool.prototype.updateState = function( annotations, nodes ) {
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function areListItems( nodes ) {
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for( var i = 0; i < nodes.length; i++ ) {
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if ( nodes[i].getParent().getElementType() !== 'listItem' ) {
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return false;
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}
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}
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return true;
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}
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this.nodes = nodes;
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if ( areListItems( this.nodes ) ) {
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this.$.removeClass( 'es-toolbarButtonTool-disabled' );
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} else {
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this.$.addClass( 'es-toolbarButtonTool-disabled' );
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}
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};
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/* Registration */
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ve.ui.Tool.tools.indent = {
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'constructor': ve.ui.IndentationButtonTool,
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'name': 'indent',
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'title': 'Increase indentation'
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};
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ve.ui.Tool.tools.outdent = {
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'constructor': ve.ui.IndentationButtonTool,
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'name': 'outdent',
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'title': 'Reduce indentation'
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};
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/* Inheritance */
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ve.extendClass( ve.ui.IndentationButtonTool, ve.ui.ButtonTool );
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