mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/VisualEditor
synced 2024-09-26 19:56:49 +00:00
465 lines
13 KiB
JavaScript
465 lines
13 KiB
JavaScript
/**
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* Creates an ve.Surface object.
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*
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* A surface is a top-level object which contains both a surface model and a surface view.
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*
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* @class
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* @constructor
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* @param {String} parent Selector of element to attach to
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* @param {HTMLElement} html Document html
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* @param {Object} options Configuration options
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*/
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ve.Surface = function( parent, dom, options ) {
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// Create linear model from HTML5 DOM
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var data = ve.dm.converter.getDataFromDom( dom );
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// Properties
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this.parent = parent;
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this.modes = {};
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this.currentMode = null;
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/* Extend VE configuration recursively */
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this.options = ve.extendObject( true, {
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// Default options
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toolbars: {
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top: {
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tools: [{ 'name': 'history', 'items' : ['undo', 'redo'] },
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{ 'name': 'textStyle', 'items' : ['format'] },
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{ 'name': 'textStyle', 'items' : ['bold', 'italic', 'link', 'clear'] },
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{ 'name': 'list', 'items' : ['number', 'bullet', 'outdent', 'indent'] }]
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}
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},
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//TODO: i18n
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modes: {
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wikitext: 'Toggle wikitext view',
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json: 'Toggle JSON view',
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html: 'Toggle HTML view',
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render: 'Toggle preview',
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history: 'Toggle transaction history view',
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help: 'Toggle help view'
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}
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}, options );
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// A place to store element references
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this.$base = null;
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this.$surface = null;
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this.toolbarWrapper = {};
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/* Create document model object with the linear model */
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this.documentModel = new ve.dm.Document ( data );
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this.model = new ve.dm.Surface( this.documentModel );
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// Setup VE DOM Skeleton
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this.setupBaseElements();
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this.$surface = $( '<div></div>' ).attr( 'class', 'es-editor' );
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this.$base.find( '.es-visual' ).append( this.$surface );
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/* Instantiate surface layer */
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this.view = new ve.ce.Surface( $( '.es-editor' ), this.model );
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// Setup toolbars based on this.options
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this.setupToolbars();
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// Setup various toolbar modes and panels
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//this.setupModes();
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// Registration
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ve.instances.push( this );
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// Start tracking changes
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this.model.startHistoryTracking();
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};
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/* Methods */
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ve.Surface.prototype.getModel = function() {
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return this.model;
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};
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ve.Surface.prototype.getDocumentModel = function() {
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return this.documentModel;
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};
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ve.Surface.prototype.getView = function() {
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return this.view;
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};
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ve.Surface.prototype.getContext = function() {
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return this.context;
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};
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ve.Surface.prototype.getParent = function() {
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return this.parent;
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};
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ve.Surface.prototype.setupBaseElements = function() {
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// Make new base element
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this.$base = $( '<div></div>' )
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.attr( 'class', 'es-base' )
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.append(
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$( '<div></div>' ).attr( 'class', 'es-panes' )
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.append( $( '<div></div>' ).attr( 'class', 'es-visual' ) )
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.append( $( '<div></div>' ).attr( 'class', 'es-panels' ) )
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.append( $( '<div></div>' ).attr( 'style', 'clear:both' ) )
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)
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.append(
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$( '<div></div>' ).attr( {
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// TODO: make 'paste' in surface stateful and remove this attrib
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'id': 'paste',
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'class': 'paste',
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'contenteditable': 'true'
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} )
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);
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// Attach the base the the parent
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$( this.getParent() ).append( this.$base );
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};
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ve.Surface.prototype.setupToolbars = function() {
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var _this = this;
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// Build each toolbar
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$.each( this.options.toolbars, function( name, config ) {
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if ( config !== null ) {
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if( name === 'top' ) {
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// Append toolbar wrapper at the top, just above .es-panes
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_this.toolbarWrapper[name] = $( '<div></div>' )
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.attr( 'class', 'es-toolbar-wrapper' )
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.append(
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$( '<div></div>' ).attr( 'class', 'es-toolbar' )
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.append(
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$( '<div></div>' ).attr( 'class', 'es-modes' )
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).append(
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$( '<div></div>' ).attr( 'style', 'clear:both' )
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).append(
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$( '<div></div>' ).attr( 'class', 'es-toolbar-shadow' )
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)
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);
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_this.$base.find( '.es-panes' ).before( _this.toolbarWrapper[name] );
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}
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// Instantiate the toolbar
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_this['toolbar-' + name] = new ve.ui.Toolbar(
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_this.$base.find( '.es-toolbar' ), _this.view, config.tools
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);
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}
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} );
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// Setup sticky toolbar
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this.makeMainEditorToolbarFloat();
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};
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/*
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* This code is responsible for switching toolbar into floating mode when scrolling ( with
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* keyboard or mouse ).
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* TODO: Determine if this would be better in ui.toolbar vs here.
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* TODO: This needs to be refactored so that it only works on the main editor top tool bar.
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*/
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ve.Surface.prototype.makeMainEditorToolbarFloat = function() {
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if ( !this.toolbarWrapper.top ) {
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return;
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}
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var $toolbarWrapper = this.toolbarWrapper.top,
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$toolbar = $toolbarWrapper.find( '.es-toolbar' );
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$window = $( window );
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$window.scroll( function() {
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var toolbarWrapperOffset = $toolbarWrapper.offset();
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if ( $window.scrollTop() > toolbarWrapperOffset.top ) {
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if ( !$toolbarWrapper.hasClass( 'float' ) ) {
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var left = toolbarWrapperOffset.left,
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right = $window.width() - $toolbarWrapper.outerWidth() - left;
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$toolbarWrapper.css( 'height', $toolbarWrapper.height() ).addClass( 'float' );
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$toolbar.css( { 'left': left, 'right': right } );
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}
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} else {
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if ( $toolbarWrapper.hasClass( 'float' ) ) {
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$toolbarWrapper.css( 'height', 'auto' ).removeClass( 'float' );
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$toolbar.css( { 'left': 0, 'right': 0 } );
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}
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}
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} );
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};
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ve.Surface.prototype.setupModes = function(){
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var _this = this;
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var activeModes = [];
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// Loop through toolbar config to build modes
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$.each( _this.options.toolbars, function( name, toolbar ){
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//if toolbar has modes
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if( toolbar.modes && toolbar.modes.length > 0 ) {
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for( var i=0;i<=toolbar.modes.length -1;i++ ) {
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$( _this.toolbarWrapper[name] )
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.find( '.es-modes' )
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.append(
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$( '<div></div>' ).attr( {
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'class': 'es-modes-button es-mode-' + toolbar.modes[i],
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'title': _this.options.modes[toolbar.modes[i]]
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} )
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);
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if( !activeModes[mode] ) {
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activeModes.push( toolbar.modes[i] );
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}
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}
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}
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} );
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// Build elements in #es-panels for each activeMode
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if ( activeModes.length > 0 ) {
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for ( var mode in activeModes ) {
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var renderType = '';
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switch( activeModes[mode] ) {
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case 'render':
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renderType = 'es-render';
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break;
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case 'help':
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renderType = '';
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break;
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default:
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renderType = 'es-code';
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break;
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}
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_this.$base
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.find( '.es-panels' )
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.append(
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$( '<div></div>' ).attr(
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'class', 'es-panel es-panel-' + activeModes[mode] + ' ' + renderType
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)
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);
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}
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}
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/*
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Define this.modes
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Called after bulding elements.
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*/
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this.defineModes();
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//Bind Mode events
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$.each( this.modes, function( name, mode ) {
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mode.$.click( function() {
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var disable = $( this ).hasClass( 'es-modes-button-down' );
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var visible = _this.$base.hasClass( 'es-showData' );
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$( '.es-modes-button' ).removeClass( 'es-modes-button-down' );
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$( '.es-panel' ).hide();
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if ( disable ) {
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if ( visible ) {
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_this.$base.removeClass( 'es-showData' );
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$( window ).resize();
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}
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_this.currentMode = null;
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} else {
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$( this ).addClass( 'es-modes-button-down' );
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mode.$panel.show();
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if ( !visible ) {
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_this.$base.addClass( 'es-showData' );
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$( window ).resize();
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}
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mode.update.call( mode );
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_this.currentMode = mode;
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}
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} );
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} );
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/* Bind some surface events for modes */
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this.model.on( 'transact', function() {
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if ( _this.currentMode ) {
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_this.currentMode.update.call( _this.currentMode );
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}
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} );
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this.model.on( 'select', function() {
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if ( _this.currentMode === _this.modes.history ) {
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_this.currentMode.update.call( _this.currentMode );
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}
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} );
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};
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/*
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Define modes
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TODO: possibly extend this object via the config
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*/
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ve.Surface.prototype.defineModes = function() {
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var _this = this;
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this.modes = {
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'wikitext': {
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'$': _this.$base.find( '.es-mode-wikitext' ),
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'$panel': _this.$base.find( '.es-panel-wikitext' ),
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'update': function() {
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this.$panel.text(
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ve.dm.WikitextSerializer.stringify( _this.getDocumentModel().getPlainObject() )
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);
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}
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},
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'json': {
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'$': _this.$base.find( '.es-mode-json' ),
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'$panel': _this.$base.find( '.es-panel-json' ),
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'update': function() {
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this.$panel.text( ve.dm.JsonSerializer.stringify( _this.getDocumentModel().getPlainObject(), {
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'indentWith': ' '
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} ) );
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}
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},
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'html': {
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'$': _this.$base.find( '.es-mode-html' ),
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'$panel': _this.$base.find( '.es-panel-html' ),
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'update': function() {
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this.$panel.text(
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ve.dm.HtmlSerializer.stringify( _this.getDocumentModel().getPlainObject() )
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);
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}
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},
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'render': {
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'$': _this.$base.find( '.es-mode-render' ),
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'$panel': _this.$base.find( '.es-panel-render' ),
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'update': function() {
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this.$panel.html(
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ve.dm.HtmlSerializer.stringify( _this.getDocumentModel().getPlainObject() )
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);
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}
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},
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'history': {
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'$': _this.$base.find( '.es-mode-history' ),
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'$panel': _this.$base.find( '.es-panel-history' ),
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'update': function() {
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var history = _this.model.getHistory(),
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i = history.length,
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end = Math.max( 0, i - 25 ),
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j,
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k,
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ops,
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events = '',
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z = 0,
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operations,
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data;
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while ( --i >= end ) {
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z++;
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operations = [];
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for ( j = 0; j < history[i].stack.length; j++ ) {
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ops = history[i].stack[j].getOperations().slice( 0 );
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for ( k = 0; k < ops.length; k++ ) {
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data = ops[k].data || ops[k].length;
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if ( ve.isArray( data ) ) {
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data = data[0];
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if ( ve.isArray( data ) ) {
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data = data[0];
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}
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}
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if ( typeof data !== 'string' && typeof data !== 'number' ) {
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data = '-';
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}
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ops[k] = ops[k].type.substr( 0, 3 ) + '( ' + data + ' )';
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}
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operations.push( '[' + ops.join( ', ' ) + ']' );
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}
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events += '<div' + ( z === _this.model.undoIndex ? ' class="es-panel-history-active"' : '' ) + '>' + operations.join( ', ' ) + '</div>';
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}
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this.$panel.html( events );
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}
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},
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'help': {
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'$': _this.$base.find( '.es-mode-help' ),
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'$panel': _this.$base.find( '.es-panel-help' ),
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'update': function() {
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//TODO: Make this less ugly,
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//HOW?: Create api to register help items so that they may be generated here.
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/*jshint multistr:true */
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this.$panel.html( '\
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<div class="es-help-title">Keyboard Shortcuts</div>\
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<div class="es-help-shortcuts-title">Clipboard</div>\
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<div class="es-help-shortcut">\
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<span class="es-help-keys">\
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<span class="es-help-key">Ctrl <span class="es-help-key-or">or</span> ⌘</span> +\
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<span class="es-help-key">C</span>\
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</span>\
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Copy selected text\
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</div>\
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<div class="es-help-shortcut">\
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<span class="es-help-keys">\
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<span class="es-help-key">Ctrl <span class="es-help-key-or">or</span> ⌘</span> +\
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<span class="es-help-key">X</span>\
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</span>\
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Cut selected text\
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</div>\
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<div class="es-help-shortcut">\
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<span class="es-help-keys">\
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<span class="es-help-key">Ctrl <span class="es-help-key-or">or</span> ⌘</span> +\
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<span class="es-help-key">V</span>\
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</span>\
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Paste text at the cursor\
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</div>\
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<div class="es-help-shortcuts-title">History navigation</div>\
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<div class="es-help-shortcut">\
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<span class="es-help-keys">\
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<span class="es-help-key">Ctrl <span class="es-help-key-or">or</span> ⌘</span> +\
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<span class="es-help-key">Z</span>\
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</span>\
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Undo\
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</div>\
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<div class="es-help-shortcut">\
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<span class="es-help-keys">\
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<span class="es-help-key">Ctrl <span class="es-help-key-or">or</span> ⌘</span> +\
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<span class="es-help-key">Y</span>\
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</span>\
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Redo\
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</div>\
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<div class="es-help-shortcut">\
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<span class="es-help-keys">\
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<span class="es-help-key">Ctrl <span class="es-help-key-or">or</span> ⌘</span> +\
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<span class="es-help-key">⇧</span> +\
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<span class="es-help-key">Z</span>\
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</span>\
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Redo\
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</div>\
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<div class="es-help-shortcuts-title">Formatting</div>\
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<div class="es-help-shortcut">\
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<span class="es-help-keys">\
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<span class="es-help-key">Ctrl <span class="es-help-key-or">or</span> ⌘</span> +\
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<span class="es-help-key">B</span>\
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</span>\
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Make selected text bold\
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</div>\
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<div class="es-help-shortcut">\
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<span class="es-help-keys">\
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<span class="es-help-key">Ctrl <span class="es-help-key-or">or</span> ⌘</span> +\
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<span class="es-help-key">I</span>\
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</span>\
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Make selected text italic\
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</div>\
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<div class="es-help-shortcut">\
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<span class="es-help-keys">\
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<span class="es-help-key">Ctrl <span class="es-help-key-or">or</span> ⌘</span> +\
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<span class="es-help-key">K</span>\
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</span>\
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Make selected text a link\
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</div>\
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<div class="es-help-shortcuts-title">Selection</div>\
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<div class="es-help-shortcut">\
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<span class="es-help-keys">\
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<span class="es-help-key">⇧</span> +\
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<span class="es-help-key">Arrow</span>\
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</span>\
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Adjust selection\
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</div>\
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<div class="es-help-shortcut">\
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<span class="es-help-keys">\
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<span class="es-help-key">Ctrl <span class="es-help-key-or">or</span> ⌥</span> +\
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<span class="es-help-key">Arrow</span>\
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</span>\
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Move cursor by words or blocks\
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</div>\
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<div class="es-help-shortcut">\
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<span class="es-help-keys">\
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<span class="es-help-key">Ctrl <span class="es-help-key-or">or</span> ⌥</span> +\
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<span class="es-help-key">⇧</span> +\
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<span class="es-help-key">Arrow</span>\
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</span>\
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Adjust selection by words or blocks\
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</div>' );
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}
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}
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};
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};
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