mediawiki-extensions-Visual.../modules/ve/ve.Surface.js
Christian Williams 9f4a4d9e92 Disable Table Editing
Native contenteditable execCommands were being tried before the surface was attached to the DOM. This is necessary for disabling native contenteditable object editing and resizing.

Change-Id: Idff6a30432396726deb8a38356172380ea12fced
2012-11-14 17:14:45 -08:00

305 lines
8.7 KiB
JavaScript

/**
* VisualEditor Surface class.
*
* @copyright 2011-2012 VisualEditor Team and others; see AUTHORS.txt
* @license The MIT License (MIT); see LICENSE.txt
*/
/**
* Creates an ve.Surface object.
*
* A surface is a top-level object which contains both a surface model and a surface view.
*
* @class
* @constructor
* @param {String} parent Selector of element to attach to
* @param {HTMLElement} dom HTML element of document to edit
* @param {Object} options Configuration options
*/
ve.Surface = function VeSurface( parent, dom, options ) {
// Properties
this.$ = $( '<div class="ve-surface"></div>' );
this.documentModel = new ve.dm.Document( ve.dm.converter.getDataFromDom( dom ) );
this.options = ve.extendObject( true, ve.Surface.defaultOptions, options );
this.model = new ve.dm.Surface( this.documentModel );
this.view = new ve.ce.Surface( this.$, this.model, this );
this.context = new ve.ui.Context( this );
this.toolbars = {};
this.commands = {};
// DOM Changes
$( parent ).append( this.$ );
this.$.append(
// Contain floating content
$( '<div style="clear: both;"></div>' ),
// Temporary paste buffer
// TODO: make 'paste' in surface stateful and remove this attrib
// TODO: Use a less generic id than "paste", or get rid of the ID alltogether
$( '<div id="paste" class="paste" contenteditable="true"></div>' )
);
// Initialization
this.setupToolbars();
this.setupCommands();
ve.instances.push( this );
this.model.startHistoryTracking();
// Turn off native object editing. This must be tried after the surface has been added to DOM.
try {
document.execCommand( 'enableObjectResizing', false, false );
document.execCommand( 'enableInlineTableEditing', false, false );
} catch ( e ) { /* Silently ignore */ }
};
/* Static Members */
ve.Surface.defaultOptions = {
'toolbars': {
'top': {
'float': true,
'tools': [
{ 'name': 'history', 'items' : ['undo', 'redo'] },
{ 'name': 'textStyle', 'items' : ['format'] },
{ 'name': 'textStyle', 'items' : ['bold', 'italic', 'link', 'clear'] },
{ 'name': 'list', 'items' : ['number', 'bullet', 'outdent', 'indent'] }
]
}
},
// Items can either be symbolic names or objects with trigger and action properties
'commands': ['bold', 'italic', 'link', 'undo', 'redo', 'indent', 'unindent']
};
/* Methods */
/**
* Gets a reference to the surface model.
*
* @method
* @returns {ve.dm.Surface} Surface model
*/
ve.Surface.prototype.getModel = function () {
return this.model;
};
/**
* Gets a reference to the document model.
*
* @method
* @returns {ve.dm.Document} Document model
*/
ve.Surface.prototype.getDocumentModel = function () {
return this.documentModel;
};
/**
* Gets a reference to the surface view.
*
* @method
* @returns {ve.ce.Surface} Surface view
*/
ve.Surface.prototype.getView = function () {
return this.view;
};
/**
* Gets a reference to the context user interface.
*
* @method
* @returns {ve.ui.Context} Context user interface
*/
ve.Surface.prototype.getContext = function () {
return this.context;
};
/**
* Executes an action or command.
*
* @method
* @param {String|Command} action Name of action or command object
* @param {String} [method] Name of method
* @param {Mixed} [...] Additional arguments for action
* @returns {Boolean} Action or command was executed
*/
ve.Surface.prototype.execute = function ( action, method ) {
var trigger, obj, ret;
if ( action instanceof ve.Command ) {
trigger = action.toString();
if ( trigger in this.commands ) {
return this.execute.apply( this, this.commands[trigger] );
}
} else if ( typeof action === 'string' && typeof method === 'string' ) {
// Validate method
if ( ve.actionFactory.doesActionSupportMethod( action, method ) ) {
// Create an action object and execute the method on it
obj = ve.actionFactory.create( action, this );
ret = obj[method].apply( obj, Array.prototype.slice.call( arguments, 2 ) );
return ret === undefined || !!ret;
}
}
return false;
};
/**
* Adds all commands from initialization options.
*
* Commands must be registered through {ve.commandRegsitry} prior to constructing the surface.
*
* @method
* @param {String[]} commands Array of symbolic names of registered commands
*/
ve.Surface.prototype.setupCommands = function () {
var i, iLen, j, jLen, triggers, trigger, command,
commands = this.options.commands;
for ( i = 0, iLen = commands.length; i < iLen; i++ ) {
command = ve.commandRegistry.lookup( commands[i] );
if ( !command ) {
throw new Error( 'No command registered by that name: ' + commands[i] );
}
triggers = command.trigger;
if ( !ve.isArray( triggers ) ) {
triggers = [triggers];
}
for ( j = 0, jLen = triggers.length; j < jLen; j++ ) {
// Normalize
trigger = ( new ve.Command( triggers[j] ) ).toString();
// Validate
if ( trigger.length === 0 ) {
throw new Error( 'Incomplete command: ' + triggers[j] );
}
this.commands[trigger] = command.action;
}
}
};
/**
* Initializes the toolbar.
*
* This method uses {this.options} for it's configuration.
*
* @method
*/
ve.Surface.prototype.setupToolbars = function () {
var name, config, toolbar,
toolbars = this.options.toolbars;
for ( name in toolbars ) {
config = toolbars[name];
if ( ve.isPlainObject( config ) ) {
this.toolbars[name] = toolbar = { '$': $( '<div class="ve-ui-toolbar"></div>' ) };
if ( name === 'top' ) {
// Add extra sections to the toolbar
toolbar.$.append(
'<div class="ve-ui-actions"></div>' +
'<div style="clear:both"></div>' +
'<div class="ve-ui-toolbar-shadow"></div>'
);
// Wrap toolbar for floating
toolbar.$wrapper = $( '<div class="ve-ui-toolbar-wrapper"></div>' )
.append( this.toolbars[name].$ );
// Add toolbar to surface
this.$.before( toolbar.$wrapper );
if ( 'float' in config && config.float === true ) {
// Float top toolbar
this.floatTopToolbar();
}
}
toolbar.instance = new ve.ui.Toolbar( toolbar.$, this, config.tools );
}
}
};
/*
* Overlays the toolbar to the top of the screen when it would normally be out of view.
*
* TODO: Determine if this would be better in ui.toolbar vs here.
* TODO: This needs to be refactored so that it only works on the main editor top tool bar.
*
* @method
*/
ve.Surface.prototype.floatTopToolbar = function () {
if ( !this.toolbars.top ) {
return;
}
var $wrapper = this.toolbars.top.$wrapper,
$toolbar = this.toolbars.top.$,
$window = $( window );
$window.on( {
'resize': function () {
if ( $wrapper.hasClass( 've-ui-toolbar-wrapper-floating' ) ) {
var toolbarsOffset = $wrapper.offset(),
left = toolbarsOffset.left,
right = $window.width() - $wrapper.outerWidth() - left;
$toolbar.css( {
'left': left,
'right': right
} );
}
},
'scroll': function () {
var left, right,
toolbarsOffset = $wrapper.offset(),
$editorDocument = $wrapper.parent().find('.ve-surface .ve-ce-documentNode'),
$lastBranch = $editorDocument.children( '.ve-ce-branchNode:last' );
if ( $window.scrollTop() > toolbarsOffset.top ) {
left = toolbarsOffset.left;
right = $window.width() - $wrapper.outerWidth() - left;
// If not floating, set float
if ( !$wrapper.hasClass( 've-ui-toolbar-wrapper-floating' ) ) {
$wrapper
.css( 'height', $wrapper.height() )
.addClass( 've-ui-toolbar-wrapper-floating' );
$toolbar.css( {
'left': left,
'right': right
} );
} else {
// Toolbar is floated
if (
// There's at least one branch
$lastBranch.length &&
// Toolbar is at or below the top of last node in the document
$window.scrollTop() + $toolbar.height() >= $lastBranch.offset().top
) {
if ( !$wrapper.hasClass( 've-ui-toolbar-wrapper-bottom' ) ) {
$wrapper
.removeClass( 've-ui-toolbar-wrapper-floating' )
.addClass( 've-ui-toolbar-wrapper-bottom' );
$toolbar.css({
'top': $window.scrollTop() + 'px',
'left': left,
'right': right
});
}
} else { // Unattach toolbar
if ( $wrapper.hasClass( 've-ui-toolbar-wrapper-bottom' ) ) {
$wrapper
.removeClass( 've-ui-toolbar-wrapper-bottom' )
.addClass( 've-ui-toolbar-wrapper-floating' );
$toolbar.css( {
'top': 0,
'left': left,
'right': right
} );
}
}
}
} else { // Return toolbar to top position
if (
$wrapper.hasClass( 've-ui-toolbar-wrapper-floating' ) ||
$wrapper.hasClass( 've-ui-toolbar-wrapper-bottom' )
) {
$wrapper.css( 'height', 'auto' )
.removeClass( 've-ui-toolbar-wrapper-floating' )
.removeClass( 've-ui-toolbar-wrapper-bottom' );
$toolbar.css( {
'top': 0,
'left': 0,
'right': 0
} );
}
}
}
} );
};