mediawiki-extensions-Visual.../modules/ve-mw/ui/dialogs/ve.ui.MWSaveDialog.js
Ed Sanders 4ac660ad48 Defer rendering of visual diff until tab is selected
Bug: T161355
Change-Id: I718a92f4c9f8c3a48e359da898ede7dccebcec5e
2017-03-25 13:23:28 +00:00

733 lines
22 KiB
JavaScript

/*!
* VisualEditor UserInterface MWSaveDialog class.
*
* @copyright 2011-2017 VisualEditor Team and others; see AUTHORS.txt
* @license The MIT License (MIT); see LICENSE.txt
*/
/**
* Dialog for saving MediaWiki pages.
*
* Note that most methods are not safe to call before the dialog has initialized, except where
* noted otherwise.
*
* @class
* @extends OO.ui.ProcessDialog
*
* @constructor
* @param {Object} [config] Config options
*/
ve.ui.MWSaveDialog = function VeUiMwSaveDialog( config ) {
// Parent constructor
ve.ui.MWSaveDialog.super.call( this, config );
// Properties
this.editSummaryByteLimit = 255;
this.restoring = false;
this.messages = {};
this.setupDeferred = $.Deferred();
this.checkboxesByName = null;
this.changedEditSummary = false;
this.canReview = false;
this.canPreview = false;
this.hasDiff = false;
// Initialization
this.$element.addClass( 've-ui-mwSaveDialog' );
};
/* Inheritance */
OO.inheritClass( ve.ui.MWSaveDialog, OO.ui.ProcessDialog );
/* Static Properties */
ve.ui.MWSaveDialog.static.name = 'mwSave';
ve.ui.MWSaveDialog.static.title =
OO.ui.deferMsg( 'visualeditor-savedialog-title-save' );
ve.ui.MWSaveDialog.static.actions = [
{
action: 'save',
// May be overridden by config.saveButtonLabel
label: OO.ui.deferMsg( 'visualeditor-savedialog-label-review' ),
flags: [ 'primary', 'constructive' ],
modes: [ 'save', 'review', 'preview' ],
accessKey: 's'
},
{
label: OO.ui.deferMsg( 'visualeditor-savedialog-label-resume-editing' ),
flags: [ 'safe', 'back' ],
modes: [ 'save', 'review', 'preview', 'conflict' ]
},
{
action: 'review',
label: OO.ui.deferMsg( 'visualeditor-savedialog-label-review' ),
modes: [ 'save', 'preview' ]
},
{
action: 'preview',
label: OO.ui.deferMsg( 'showpreview' ),
modes: [ 'save', 'review' ]
},
{
action: 'approve',
label: OO.ui.deferMsg( 'visualeditor-savedialog-label-review-good' ),
modes: [ 'review', 'preview' ]
},
{
action: 'resolve',
label: OO.ui.deferMsg( 'visualeditor-savedialog-label-resolve-conflict' ),
flags: [ 'primary', 'constructive' ],
modes: 'conflict'
}
];
/* Events */
/**
* @event save
* @param {jQuery.Deferred} saveDeferred Deferred object to resolve/reject when the save
* succeeds/fails.
* Emitted when the user clicks the save button
*/
/**
* @event review
* Emitted when the user clicks the review changes button
*/
/**
* @event preview
* Emitted when the user clicks the show preview button
*/
/**
* @event resolve
* Emitted when the user clicks the resolve conflict button
*/
/**
* @event retry
* Emitted when the user clicks the retry/continue save button after an error.
*/
/* Methods */
/**
* Set review content and show review panel.
*
* @param {string} wikitextDiff Diff HTML or wikitext
* @param {ve.dm.VisualDiff} [visualDiff] Visual diff
*/
ve.ui.MWSaveDialog.prototype.setDiffAndReview = function ( wikitextDiff, visualDiff ) {
this.$reviewVisualDiff.empty();
if ( visualDiff ) {
if ( this.diffElement ) {
this.diffElement.destroy();
this.diffElement = null;
}
this.visualDiff = visualDiff;
this.reviewModeButtonSelect.getItemFromData( 'visual' ).setDisabled( false );
} else {
// TODO: Support visual diffs in source mode (epic)
this.reviewModeButtonSelect.getItemFromData( 'visual' ).setDisabled( true );
this.reviewModeButtonSelect.selectItemByData( 'source' );
}
this.$reviewWikitextDiff.empty().append( wikitextDiff );
this.actions.setAbilities( { approve: true } );
this.hasDiff = true;
this.popPending();
this.swapPanel( 'review' );
};
/**
* Set preview content and show preview panel.
*
* @param {jQuery} content Preview content
*/
ve.ui.MWSaveDialog.prototype.showPreview = function ( content ) {
this.$previewViewer.empty().append( content );
mw.hook( 'wikipage.content' ).fire( this.$previewViewer );
// TODO: Remove when fixed upstream in Parsoid (T58756)
this.$previewViewer.find( 'a[rel="mw:ExtLink"]' ).addClass( 'external' );
this.actions.setAbilities( { approve: true } );
this.popPending();
this.swapPanel( 'preview' );
};
/**
* @inheritdoc
*/
ve.ui.MWSaveDialog.prototype.pushPending = function () {
this.getActions().setAbilities( { review: false, preview: false } );
return ve.ui.MWSaveDialog.super.prototype.pushPending.call( this );
};
/**
* @inheritdoc
*/
ve.ui.MWSaveDialog.prototype.popPending = function () {
var ret = ve.ui.MWSaveDialog.super.prototype.popPending.call( this );
if ( !this.isPending() ) {
this.getActions().setAbilities( { review: true, preview: true } );
}
return ret;
};
/**
* Clear the diff displayed in the review panel, if any.
*/
ve.ui.MWSaveDialog.prototype.clearDiff = function () {
this.$reviewWikitextDiff.empty();
this.$previewViewer.empty();
this.hasDiff = false;
if ( this.diffElement ) {
this.diffElement.destroy();
this.diffElement = null;
}
};
/**
* Swap state in the save dialog.
*
* @param {string} panel One of 'save', 'review', 'conflict' or 'nochanges'
* @param {boolean} [noFocus] Don't attempt to focus anything (e.g. while setting up)
* @throws {Error} Unknown saveDialog panel
*/
ve.ui.MWSaveDialog.prototype.swapPanel = function ( panel, noFocus ) {
var currentEditSummaryWikitext,
mode = panel,
size = 'medium',
dialog = this,
panelObj = dialog[ panel + 'Panel' ];
if ( ( [ 'save', 'review', 'preview', 'conflict', 'nochanges' ].indexOf( panel ) ) === -1 ) {
throw new Error( 'Unknown saveDialog panel: ' + panel );
}
// Update the window title
// The following messages can be used here:
// visualeditor-savedialog-title-conflict
// visualeditor-savedialog-title-nochanges
// visualeditor-savedialog-title-preview
// visualeditor-savedialog-title-review
// visualeditor-savedialog-title-save
this.title.setLabel( ve.msg( 'visualeditor-savedialog-title-' + panel ) );
// Reset save button if we disabled it for e.g. unrecoverable spam error
this.actions.setAbilities( { save: true } );
if ( !noFocus ) {
// On panels without inputs, ensure the dialog is focused so events
// are captured, e.g. 'Esc' to close
this.$content[ 0 ].focus();
}
switch ( panel ) {
case 'save':
if ( !noFocus ) {
// HACK: FF needs *another* defer
setTimeout( function () {
dialog.editSummaryInput.moveCursorToEnd();
} );
}
break;
case 'conflict':
this.actions.setAbilities( { save: false } );
break;
case 'preview':
size = 'full';
this.previewPanel.$element[ 0 ].focus();
break;
case 'review':
size = 'larger';
currentEditSummaryWikitext = this.editSummaryInput.getValue();
if ( this.lastEditSummaryWikitext === undefined || this.lastEditSummaryWikitext !== currentEditSummaryWikitext ) {
if ( this.editSummaryXhr ) {
this.editSummaryXhr.abort();
}
this.lastEditSummaryWikitext = currentEditSummaryWikitext;
this.$reviewEditSummary.empty();
if ( !currentEditSummaryWikitext || currentEditSummaryWikitext.trim() === '' ) {
// Don't bother with an API request for an empty summary
this.$reviewEditSummary.text( ve.msg( 'visualeditor-savedialog-review-nosummary' ) );
} else {
this.$reviewEditSummary.parent()
.removeClass( 'oo-ui-element-hidden' )
.addClass( 'mw-ajax-loader' );
this.editSummaryXhr = new mw.Api().post( {
action: 'parse',
summary: currentEditSummaryWikitext
} ).done( function ( result ) {
if ( result.parse.parsedsummary[ '*' ] === '' ) {
dialog.$reviewEditSummary.parent().addClass( 'oo-ui-element-hidden' );
} else {
// Intentionally treated as HTML
dialog.$reviewEditSummary.html( ve.msg( 'parentheses', result.parse.parsedsummary[ '*' ] ) );
}
} ).fail( function () {
dialog.$reviewEditSummary.parent().addClass( 'oo-ui-element-hidden' );
} ).always( function () {
dialog.$reviewEditSummary.parent().removeClass( 'mw-ajax-loader' );
dialog.updateSize();
} );
}
}
setTimeout( function () {
dialog.updateReviewMode();
} );
break;
case 'nochanges':
mode = 'review';
break;
}
// Show the target panel
this.panels.setItem( panelObj );
this.setSize( size );
// Set mode after setting size so that the footer is measured correctly
this.actions.setMode( mode );
// Only show preview in source mode
this.actions.forEach( { actions: 'preview' }, function ( action ) {
action.toggle( dialog.canPreview );
} );
// Diff API doesn't support section=new
this.actions.forEach( { actions: 'review' }, function ( action ) {
action.toggle( dialog.canReview );
} );
mw.hook( 've.saveDialog.stateChanged' ).fire();
};
/**
* Show a message in the save dialog.
*
* @param {string} name Message's unique name
* @param {string|jQuery|Array} message Message content (string of HTML, jQuery object or array of
* Node objects)
* @param {Object} [options]
* @param {boolean} [options.wrap="warning"] Whether to wrap the message in a paragraph and if
* so, how. One of "warning", "error" or false.
*/
ve.ui.MWSaveDialog.prototype.showMessage = function ( name, message, options ) {
var $message;
if ( !this.messages[ name ] ) {
options = options || {};
if ( options.wrap === undefined ) {
options.wrap = 'warning';
}
$message = $( '<div class="ve-ui-mwSaveDialog-message"></div>' );
if ( options.wrap !== false ) {
$message.append( $( '<p>' ).append(
// visualeditor-savedialog-label-error
// visualeditor-savedialog-label-warning
$( '<strong>' ).text( mw.msg( 'visualeditor-savedialog-label-' + options.wrap ) ),
document.createTextNode( mw.msg( 'colon-separator' ) ),
message
) );
} else {
$message.append( message );
}
this.$saveMessages.append( $message );
$message.slideDown( {
progress: this.updateSize.bind( this )
} );
this.swapPanel( 'save' );
this.messages[ name ] = $message;
}
};
/**
* Remove a message from the save dialog.
*
* @param {string} name Message's unique name
*/
ve.ui.MWSaveDialog.prototype.clearMessage = function ( name ) {
if ( this.messages[ name ] ) {
this.messages[ name ].slideUp( {
progress: this.updateSize.bind( this )
} );
delete this.messages[ name ];
}
};
/**
* Remove all messages from the save dialog.
*/
ve.ui.MWSaveDialog.prototype.clearAllMessages = function () {
this.$saveMessages.empty();
this.messages = {};
};
/**
* Reset the fields of the save dialog.
*
* @method
*/
ve.ui.MWSaveDialog.prototype.reset = function () {
// Reset summary input
this.editSummaryInput.setValue( '' );
// Uncheck minoredit
if ( this.checkboxesByName.wpMinoredit ) {
this.checkboxesByName.wpMinoredit.setSelected( false );
}
this.clearDiff();
};
/**
* Initialize MediaWiki page specific checkboxes.
*
* This method is safe to call even when the dialog hasn't been initialized yet.
*
* @param {OO.ui.FieldLayout[]} checkboxFields Checkbox fields
*/
ve.ui.MWSaveDialog.prototype.setupCheckboxes = function ( checkboxFields ) {
var dialog = this;
this.setupDeferred.done( function () {
checkboxFields.forEach( function ( field ) {
dialog.$saveCheckboxes.append( field.$element );
} );
} );
};
/**
* Change the edit summary prefilled in the save dialog.
*
* This method is safe to call even when the dialog hasn't been initialized yet.
*
* @param {string} summary Edit summary to prefill
*/
ve.ui.MWSaveDialog.prototype.setEditSummary = function ( summary ) {
var dialog = this;
this.setupDeferred.done( function () {
dialog.editSummaryInput.setValue( summary );
} );
};
/**
* @inheritdoc
*/
ve.ui.MWSaveDialog.prototype.initialize = function () {
var saveAccessKey,
dialog = this;
// Parent method
ve.ui.MWSaveDialog.super.prototype.initialize.call( this );
// Properties
this.panels = new OO.ui.StackLayout( { scrollable: true } );
this.savePanel = new OO.ui.PanelLayout( {
expanded: false,
scrollable: true,
padded: true,
classes: [ 've-ui-mwSaveDialog-savePanel' ]
} );
// Byte counter in edit summary
this.editSummaryCountLabel = new OO.ui.LabelWidget( {
classes: [ 've-ui-mwSaveDialog-editSummary-count' ],
label: String( this.editSummaryByteLimit ),
title: ve.msg( 'visualeditor-editsummary-bytes-remaining' )
} );
// Save panel
this.$editSummaryLabel = $( '<div>' ).addClass( 've-ui-mwSaveDialog-summaryLabel' )
.html( ve.init.platform.getParsedMessage( 'summary' ) )
.find( 'a' ).attr( 'target', '_blank' ).end();
this.editSummaryInput = new OO.ui.TextInputWidget( {
multiline: true,
placeholder: ve.msg( 'visualeditor-editsummary' ),
classes: [ 've-ui-mwSaveDialog-summary' ],
inputFilter: function ( value ) {
// Prevent the user from inputting newlines (this kicks in on paste, etc.)
return value.replace( /\r?\n/g, ' ' );
}
} );
// Prevent the user from inputting newlines from keyboard
this.editSummaryInput.$input.on( 'keypress', function ( e ) {
if ( e.which === OO.ui.Keys.ENTER ) {
e.preventDefault();
dialog.showMessage(
'keyboard-shortcut-submit',
$( '<p>' ).msg(
'visualeditor-savedialog-keyboard-shortcut-submit',
new ve.ui.Trigger( ve.ui.commandHelpRegistry.lookup( 'dialogConfirm' ).shortcuts[ 0 ] ).getMessage()
),
{ wrap: false }
);
}
} );
// Limit byte length, and display the remaining bytes
this.editSummaryInput.$input.byteLimit( this.editSummaryByteLimit );
this.editSummaryInput.on( 'change', function () {
dialog.changedEditSummary = true;
// TODO: This looks a bit weird, there is no unit in the UI, just numbers
// Users likely assume characters but then it seems to count down quicker
// than expected. Facing users with the word "byte" is bad? (bug 40035)
dialog.editSummaryCountLabel.setLabel(
String( dialog.editSummaryByteLimit - $.byteLength( dialog.editSummaryInput.getValue() ) )
);
} );
this.$saveCheckboxes = $( '<div>' ).addClass( 've-ui-mwSaveDialog-checkboxes' );
this.$saveOptions = $( '<div>' ).addClass( 've-ui-mwSaveDialog-options' ).append(
this.$saveCheckboxes,
this.editSummaryCountLabel.$element
);
this.$saveMessages = $( '<div>' ).addClass( 've-ui-mwSaveDialog-messages' );
this.$saveFoot = $( '<div>' ).addClass( 've-ui-mwSaveDialog-foot' ).append(
$( '<p>' ).addClass( 've-ui-mwSaveDialog-license' )
.html( ve.init.platform.getParsedMessage( 'copyrightwarning' ) )
.find( 'a' ).attr( 'target', '_blank' ).end()
);
this.savePanel.$element.append(
this.$editSummaryLabel,
this.editSummaryInput.$element,
this.$saveOptions,
this.$saveFoot,
this.$saveMessages
);
// Review panel
this.reviewPanel = new OO.ui.PanelLayout( {
expanded: false,
scrollable: true,
padded: true
} );
this.$reviewVisualDiff = $( '<div>' ).addClass( 've-ui-mwSaveDialog-viewer' );
this.$reviewWikitextDiff = $( '<div>' ).addClass( 've-ui-mwSaveDialog-viewer' );
this.reviewModeButtonSelect = new OO.ui.ButtonSelectWidget( {
items: [
new OO.ui.ButtonOptionWidget( { data: 'visual', icon: 'eye', label: ve.msg( 'visualeditor-savedialog-review-visual' ) } ),
new OO.ui.ButtonOptionWidget( { data: 'source', icon: 'wikiText', label: ve.msg( 'visualeditor-savedialog-review-wikitext' ) } )
],
classes: [ 've-ui-mwSaveDialog-reviewMode' ]
} );
this.reviewModeButtonSelect.connect( this, { select: 'updateReviewMode' } );
// TODO: Make 'visual' the default
this.reviewModeButtonSelect.selectItemByData( 'source' );
this.$reviewEditSummary = $( '<span>' ).addClass( 've-ui-mwSaveDialog-summaryPreview' ).addClass( 'comment' );
this.$reviewActions = $( '<div>' ).addClass( 've-ui-mwSaveDialog-actions' );
this.reviewPanel.$element.append(
this.reviewModeButtonSelect.$element,
$( '<div>' )
.addClass( 'mw-summary-preview' )
.text( ve.msg( 'summary-preview' ) )
.append( $( '<br>' ), this.$reviewEditSummary ),
this.$reviewVisualDiff,
this.$reviewWikitextDiff,
this.$reviewActions
);
// Preview panel
this.previewPanel = new OO.ui.PanelLayout( {
expanded: false,
scrollable: true,
padded: true
} );
this.$previewViewer = $( '<div>' ).addClass( 'mw-body-content mw-content-' + mw.config.get( 'wgVisualEditor' ).pageLanguageDir );
this.previewPanel.$element
// Make focusable for keyboard accessible scrolling
.prop( 'tabIndex', 0 )
.append( this.$previewViewer );
// Conflict panel
this.conflictPanel = new OO.ui.PanelLayout( {
expanded: false,
scrollable: true,
padded: true
} );
this.$conflict = $( '<div>' ).addClass( 've-ui-mwSaveDialog-conflict' )
.html( ve.init.platform.getParsedMessage( 'visualeditor-editconflict' ) )
.find( 'a' ).attr( 'target', '_blank' ).end();
this.conflictPanel.$element.append( this.$conflict );
// No changes panel
this.nochangesPanel = new OO.ui.PanelLayout( {
expanded: false,
scrollable: true,
padded: true
} );
this.$noChanges = $( '<div>' ).addClass( 've-ui-mwSaveDialog-nochanges' )
.html( ve.init.platform.getParsedMessage( 'visualeditor-diff-nochanges' ) )
.find( 'a' ).attr( 'target', '_blank' ).end();
this.nochangesPanel.$element.append( this.$noChanges );
// Panel stack
this.panels.addItems( [
this.savePanel,
this.reviewPanel,
this.previewPanel,
this.conflictPanel,
this.nochangesPanel
] );
// Save button for "save" panel
saveAccessKey = ve.msg( 'accesskey-save' );
if ( saveAccessKey !== '-' && saveAccessKey !== '' ) {
this.actions.forEach( { actions: 'save' }, function ( action ) {
action.setAccessKey( saveAccessKey );
} );
}
// Initialization
this.$body.append( this.panels.$element );
this.setupDeferred.resolve();
};
ve.ui.MWSaveDialog.prototype.updateReviewMode = function () {
var isVisual = this.reviewModeButtonSelect.getSelectedItem().getData() === 'visual';
this.$reviewVisualDiff.toggleClass( 'oo-ui-element-hidden', !isVisual );
this.$reviewWikitextDiff.toggleClass( 'oo-ui-element-hidden', isVisual );
if ( isVisual ) {
if ( !this.diffElement ) {
this.diffElement = new ve.ui.DiffElement( this.visualDiff );
this.diffElement.$document.addClass( 'mw-body-content' );
// TODO: Remove when fixed upstream in Parsoid (T58756)
this.diffElement.$element.find( 'a[rel="mw:ExtLink"]' ).addClass( 'external' );
this.$reviewVisualDiff.append( this.diffElement.$element );
}
this.diffElement.positionDescriptions();
this.updateSize();
} else {
this.updateSize();
}
};
/**
* @inheritdoc
* @param {Object} [data]
* @param {boolean} [data.canReview] User can review changes
* @param {boolean} [data.canPreview] User can preview changes
* @param {OO.ui.FieldLayout[]} [data.checkboxFields] Checkbox fields
* @param {Object} [data.checkboxesByName] Checkbox widgets, indexed by name
* @param {string} [data.sectionTitle] Section title, if in new section mode
* @param {string} [data.editSummary] Edit summary
* @param {string} [data.initialPanel='save'] Initial panel to show
* @param {jQuery|string|OO.ui.HtmlSnippet|Function|null} [data.saveButtonLabel] Label for the save button
*/
ve.ui.MWSaveDialog.prototype.getSetupProcess = function ( data ) {
return ve.ui.MWSaveDialog.super.prototype.getSetupProcess.call( this, data )
.next( function () {
this.canReview = !!data.canReview;
this.canPreview = !!data.canPreview;
this.setupCheckboxes( data.checkboxFields || [] );
this.checkboxesByName = data.checkboxesByName || {};
if ( data.sectionTitle ) {
this.setEditSummary( ve.msg( 'newsectionsummary', data.sectionTitle ) );
this.editSummaryInput.setDisabled( true );
} else {
this.editSummaryInput.setDisabled( false );
if ( !this.changedEditSummary ) {
this.setEditSummary( data.editSummary );
}
}
// Old messages should not persist
this.clearAllMessages();
// Don't focus during setup to prevent scroll jumping (T153010)
this.swapPanel( data.initialPanel || 'save', true );
// Update save button label
if ( data.saveButtonLabel ) {
this.actions.forEach( { actions: 'save' }, function ( action ) {
action.setLabel( data.saveButtonLabel );
} );
}
}, this );
};
/**
* @inheritdoc
*/
ve.ui.MWSaveDialog.prototype.getReadyProcess = function ( data ) {
return ve.ui.MWSaveDialog.super.prototype.getReadyProcess.call( this, data )
.next( function () {
// Support: Firefox
// In Firefox, trying to focus a hidden input will throw an
// exception. This would happen when opening the preview via
// keyboard shortcut.
if ( this.panels.getCurrentItem() === this.savePanel ) {
// This includes a #focus call
this.editSummaryInput.moveCursorToEnd();
}
}, this );
};
/**
* @inheritdoc
*/
ve.ui.MWSaveDialog.prototype.getTeardownProcess = function ( data ) {
return ve.ui.MWSaveDialog.super.prototype.getTeardownProcess.call( this, data )
.next( function () {
if ( this.diffElement ) {
this.diffElement.destroy();
this.diffElement = null;
}
this.emit( 'close' );
}, this );
};
/**
* @inheritdoc
*/
ve.ui.MWSaveDialog.prototype.getActionProcess = function ( action ) {
if ( action === 'save' ) {
return new OO.ui.Process( function () {
var saveDeferred = $.Deferred();
this.clearMessage( 'keyboard-shortcut-submit' );
this.emit( 'save', saveDeferred );
return saveDeferred.promise();
}, this );
}
if ( action === 'review' || action === 'preview' || action === 'resolve' ) {
return new OO.ui.Process( function () {
this.emit( action );
}, this );
}
if ( action === 'approve' ) {
return new OO.ui.Process( function () {
this.swapPanel( 'save' );
}, this );
}
return ve.ui.MWSaveDialog.super.prototype.getActionProcess.call( this, action );
};
/**
* @inheritdoc
*/
ve.ui.MWSaveDialog.prototype.getBodyHeight = function () {
// Don't vary the height when the foot is made visible or not
return this.panels.getCurrentItem().$element.outerHeight( true );
};
/**
* Handle retry button click events.
*
* Hides errors and then tries again.
*/
ve.ui.MWSaveDialog.prototype.onRetryButtonClick = function () {
this.emit( 'retry' );
ve.ui.MWSaveDialog.super.prototype.onRetryButtonClick.apply( this, arguments );
};
/* Registration */
ve.ui.windowFactory.register( ve.ui.MWSaveDialog );