mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/VisualEditor
synced 2024-09-28 04:36:49 +00:00
96c39e07fc
This allows the popup to be aligned to the callout in 3 different ways, center is still default. Change-Id: I3f2a4672da62d7d4cd4c7d20df640d6390f00c9f
127 lines
2.7 KiB
JavaScript
127 lines
2.7 KiB
JavaScript
/*!
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* VisualEditor UserInterface PopupWidget class.
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*
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* @copyright 2011-2013 VisualEditor Team and others; see AUTHORS.txt
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* @license The MIT License (MIT); see LICENSE.txt
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*/
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/**
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* Creates an ve.ui.PopupWidget object.
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*
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* @class
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* @extends ve.ui.Widget
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*
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* @constructor
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* @param {Object} [config] Config options
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*/
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ve.ui.PopupWidget = function VeUiPopupWidget( config ) {
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// Config intialization
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config = config || {};
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// Parent constructor
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ve.ui.Widget.call( this, config );
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// Properties
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this.visible = false;
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this.$callout = $( '<div>' );
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this.$body = $( '<div>' );
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this.transitionTimeout = null;
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this.align = config.align || 'center';
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// Initialization
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this.$
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.addClass( 've-ui-popupWidget' )
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.append(
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this.$callout.addClass( 've-ui-popupWidget-callout' ),
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this.$body.addClass( 've-ui-popupWidget-body' )
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);
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};
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/* Inheritance */
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ve.inheritClass( ve.ui.PopupWidget, ve.ui.Widget );
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/* Methods */
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/**
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* Show the context.
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*
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* @method
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* @chainable
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*/
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ve.ui.PopupWidget.prototype.show = function () {
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this.$.show();
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this.visible = true;
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return this;
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};
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/**
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* Hide the context.
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*
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* @method
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* @chainable
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*/
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ve.ui.PopupWidget.prototype.hide = function () {
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this.$.hide();
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this.visible = false;
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return this;
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};
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/**
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* Updates the position and size.
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*
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* @method
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* @chainable
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*/
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ve.ui.PopupWidget.prototype.display = function ( x, y, width, height, transition ) {
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var left, overlapLeft, overlapRight,
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padding = 15;
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switch ( this.align ) {
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case 'left':
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// Inset callout from left
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left = -padding;
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break;
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case 'right':
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// Inset callout from right
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left = -width + padding;
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break;
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default:
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// Place callout in center
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left = -width / 2;
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break;
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}
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// Prevent viewport clipping, using padding between body and popup edges
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overlapRight = this.$$( 'body' ).width() - ( x + ( width + left + ( padding * 2 ) ) );
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overlapLeft = x + ( left - ( padding * 2 ) );
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if ( overlapRight < 0 ) {
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left += overlapRight;
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} else if ( overlapLeft < 0 ) {
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left -= overlapLeft;
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}
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// Prevent transition from being interrupted
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clearTimeout( this.transitionTimeout );
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if ( transition ) {
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// Enable transition
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this.$.addClass( 've-ui-popupWidget-transitioning' );
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// Prevent transitioning after transition is complete
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this.transitionTimeout = setTimeout( ve.bind( function () {
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this.$.removeClass( 've-ui-popupWidget-transitioning' );
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}, this ), 200 );
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} else {
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// Prevent transitioning immediately
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this.$.removeClass( 've-ui-popupWidget-transitioning' );
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}
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// Position body relative to anchor and adjust size
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this.$body.css( {
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'left': left, 'width': width, 'height': height === undefined ? 'auto' : height
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} );
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return this;
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};
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