mediawiki-extensions-Visual.../modules/ve-mw/dm/models/ve.dm.MWImageModel.js
James D. Forrester ada58df361 build: Bump file copyright notices for 2016
Change-Id: I3c618c196e504a80ca297a4132a17f1977a24fb7
2016-01-03 14:57:25 -08:00

1231 lines
33 KiB
JavaScript

/*!
* VisualEditor DataModel MWImageModel class.
*
* @copyright 2011-2016 VisualEditor Team and others; see AUTHORS.txt
* @license The MIT License (MIT); see LICENSE.txt
*/
/**
* MediaWiki image model.
*
* @class
* @mixins OO.EventEmitter
*
* @constructor
* @param {ve.dm.Document} parentDoc Document that contains or will contain the image
* @param {Object} [config] Configuration options
* @cfg {string} [resourceName] The resource name of the given media file
* @cfg {Object} [currentDimensions] Current dimensions, width & height
* @cfg {Object} [minDimensions] Minimum dimensions, width & height
* @cfg {boolean} [isDefaultSize] Object is using its default size dimensions
*/
ve.dm.MWImageModel = function VeDmMWImageModel( parentDoc, config ) {
var scalable, currentDimensions, minDimensions;
config = config || {};
// Mixin constructors
OO.EventEmitter.call( this );
// Properties
this.attributesCache = null;
// Image properties
this.parentDoc = parentDoc;
this.captionDoc = null;
this.caption = null;
this.mediaType = null;
this.altText = '';
this.type = null;
this.alignment = null;
this.scalable = null;
this.sizeType = null;
this.border = false;
this.borderable = false;
this.defaultDimensions = null;
this.changedImageSource = false;
this.imageSrc = '';
this.imageResourceName = '';
this.imageHref = '';
this.boundingBox = null;
this.initialHash = {};
// Get wiki default thumbnail size
this.defaultThumbSize = mw.config.get( 'wgVisualEditorConfig' )
.defaultUserOptions.defaultthumbsize;
if ( config.resourceName ) {
this.setImageResourceName( config.resourceName );
}
// Create scalable
currentDimensions = config.currentDimensions || {};
minDimensions = config.minDimensions || {};
scalable = new ve.dm.Scalable( {
currentDimensions: {
width: currentDimensions.width,
height: currentDimensions.height
},
minDimensions: {
width: minDimensions.width || 1,
height: minDimensions.height || 1
},
defaultSize: !!config.isDefaultSize
} );
// Set the initial scalable, connect it to events
// and request an update from the API
this.attachScalable( scalable );
};
/* Inheritance */
OO.mixinClass( ve.dm.MWImageModel, OO.EventEmitter );
/* Events */
/**
* Change of image alignment or of having alignment at all
*
* @event alignmentChange
* @param {string} Alignment 'left', 'right', 'center' or 'none'
*/
/**
* Change in size type between default and custom
*
* @event sizeDefaultChange
* @param {boolean} Image is default size
*/
/**
* Change in the image type
*
* @event typeChange
* @param {string} Image type 'thumb', 'frame', 'frameless' or 'none'
*/
/* Static Properties */
ve.dm.MWImageModel.static.infoCache = {};
/* Static Methods */
/**
* Create a new image node based on given parameters.
*
* @param {Object} attributes Image attributes
* @param {string} [imageType] Image node type 'mwInlineImage' or 'mwBlockImage'.
* Defaults to 'mwBlockImage'
* @return {ve.dm.MWImageNode} An image node
*/
ve.dm.MWImageModel.static.createImageNode = function ( attributes, imageType ) {
var attrs, newNode, newDimensions,
defaultThumbSize = mw.config.get( 'wgVisualEditorConfig' ).defaultUserOptions.defaultthumbsize;
attrs = ve.extendObject( {
type: 'thumb',
align: 'default',
width: defaultThumbSize,
mediaType: 'BITMAP',
defaultSize: true
}, attributes );
if ( attrs.defaultSize ) {
newDimensions = ve.dm.MWImageNode.static.scaleToThumbnailSize( attrs, attrs.mediaType );
if ( newDimensions ) {
attrs.width = newDimensions.width;
attrs.height = newDimensions.height;
}
}
imageType = imageType || 'mwBlockImage';
newNode = ve.dm.nodeFactory.createFromElement( {
type: imageType,
attributes: attrs
} );
ve.dm.MWImageNode.static.syncScalableToType( attrs.type, attrs.mediaType, newNode.getScalable() );
return newNode;
};
/**
* Load from image data with scalable information.
*
* @param {Object} attrs Image node attributes
* @param {ve.dm.Document} parentDoc Document that contains or will contain the image
* @return {ve.dm.MWImageModel} Image model
*/
ve.dm.MWImageModel.static.newFromImageAttributes = function ( attrs, parentDoc ) {
var imgModel = new ve.dm.MWImageModel(
parentDoc,
{
resourceName: attrs.resource,
currentDimensions: {
width: attrs.width,
height: attrs.height
},
defaultSize: !!attrs.defaultSize
}
);
// Cache the attributes so we can create a new image without
// losing any existing information
imgModel.cacheOriginalImageAttributes( attrs );
imgModel.setImageSource( attrs.src );
imgModel.setFilename( new mw.Title( attrs.resource.replace( /^(\.+\/)*/, '' ) ).getMainText() );
imgModel.setImageHref( attrs.href );
// Set bounding box
imgModel.setBoundingBox( {
width: attrs.width,
height: attrs.height
} );
// Collect all the information
imgModel.toggleBorder( !!attrs.borderImage );
imgModel.setAltText( attrs.alt || '' );
imgModel.setType( attrs.type );
// Fix cases where alignment is undefined
// Inline images have no 'align' (they have 'valign' instead)
// But we do want an alignment case for these in case they
// are transformed to block images
imgModel.setAlignment( attrs.align || 'default' );
// Default size
imgModel.toggleDefaultSize( !!attrs.defaultSize );
// TODO: When scale/upright is available, set the size
// type accordingly
imgModel.setSizeType(
imgModel.isDefaultSize() ?
'default' :
'custom'
);
return imgModel;
};
/**
* Load from existing image node.
*
* @param {ve.dm.MWImageNode} node Image node
* @return {ve.dm.MWImageModel} Image model
*/
ve.dm.MWImageModel.static.newFromImageNode = function ( node ) {
return ve.dm.MWImageModel.static.newFromImageAttributes( node.getAttributes(), node.getDocument() );
};
/* Methods */
/**
* Get the hash object of the current image model state.
*
* @return {Object} Hash object
*/
ve.dm.MWImageModel.prototype.getHashObject = function () {
var hash = {
filename: this.getFilename(),
altText: this.getAltText(),
type: this.getType(),
alignment: this.getAlignment(),
sizeType: this.getSizeType(),
border: this.hasBorder(),
borderable: this.isBorderable()
};
if ( this.getScalable() ) {
hash.scalable = {
currentDimensions: ve.copy( this.getScalable().getCurrentDimensions() ),
isDefault: this.getScalable().isDefault()
};
}
return hash;
};
/**
* Normalize the source url by stripping the protocol off.
* This is done so when an image is replaced with the same image,
* the imageModel can recognize that nothing has actually changed.
*
* Example:
* 'http://upload.wikimedia.org/wikipedia/commons/0/Foo.png'
* to '//upload.wikimedia.org/wikipedia/commons/0/Foo.png'
*
* @return {string} Normalized image source
*/
ve.dm.MWImageModel.prototype.getNormalizedImageSource = function () {
// Strip the url prefix 'http' / 'https' etc
return this.getImageSource().replace( /^https?:\/\//, '//' );
};
/**
* Adjust the model parameters based on a new image
*
* @param {Object} attrs New image source attributes
* @param {Object} [APIinfo] The image's API info
* @throws {Error} Image has insufficient details to compute the imageModel details.
*/
ve.dm.MWImageModel.prototype.changeImageSource = function ( attrs, APIinfo ) {
var imageModel = this;
this.changedImageSource = true;
if ( attrs.mediaType ) {
this.setMediaType( attrs.mediaType );
}
if ( attrs.href ) {
this.setImageHref( attrs.href );
}
if ( attrs.resource ) {
this.setImageResourceName( attrs.resource );
this.setFilename( new mw.Title( attrs.resource.replace( /^(\.+\/)*/, '' ) ).getMainText() );
}
if ( attrs.src ) {
this.setImageSource( attrs.src );
}
// Remove the scalable default and original dimensions
this.scalable.clearOriginalDimensions();
this.scalable.clearDefaultDimensions();
this.scalable.clearMaxDimensions();
this.scalable.clearMinDimensions();
// If we already have dimensions from the API, use them
if ( APIinfo ) {
imageModel.scalable.setOriginalDimensions( {
width: APIinfo.width,
height: APIinfo.height
} );
// Update media type
imageModel.setMediaType( APIinfo.mediatype );
// Update defaults
ve.dm.MWImageNode.static.syncScalableToType(
imageModel.getType(),
APIinfo.mediatype,
imageModel.scalable
);
imageModel.updateScalableDetails( {
width: APIinfo.width,
height: APIinfo.height
} );
} else {
// Call for updated scalable if we don't have dimensions from the API info
if ( this.getFilename() ) {
// Update anyway
ve.dm.MWImageNode.static.getScalablePromise( this.getFilename() ).done( function ( info ) {
imageModel.scalable.setOriginalDimensions( {
width: info.width,
height: info.height
} );
// Update media type
imageModel.setMediaType( info.mediatype );
// Update defaults
ve.dm.MWImageNode.static.syncScalableToType(
imageModel.getType(),
info.mediatype,
imageModel.scalable
);
imageModel.updateScalableDetails( {
width: info.width,
height: info.height
} );
} );
} else {
throw new Error( 'Cannot compute details for an image without remote filename and without sizing info.' );
}
}
};
/**
* Get the current image node type according to the attributes.
* If either of the parameters are given, the node type is tested
* against them, otherwise, it is tested against the current image
* parameters.
*
* @param {string} [imageType] Optional. Image type.
* @param {string} [align] Optional. Image alignment.
* @return {string} Node type 'mwInlineImage' or 'mwBlockImage'
*/
ve.dm.MWImageModel.prototype.getImageNodeType = function ( imageType, align ) {
imageType = imageType || this.getType();
if (
( this.getType() === 'frameless' || this.getType() === 'none' ) &&
( !this.isAligned( align ) || this.isDefaultAligned( imageType, align ) )
) {
return 'mwInlineImage';
} else {
return 'mwBlockImage';
}
};
/**
* Get the original bounding box
*
* @return {Object} Bounding box with width and height
*/
ve.dm.MWImageModel.prototype.getBoundingBox = function () {
return this.boundingBox;
};
/**
* Update an existing image node by changing its attributes
*
* @param {ve.dm.MWImageNode} node Image node to update
* @param {ve.dm.Surface} surfaceModel Surface model of main document
*/
ve.dm.MWImageModel.prototype.updateImageNode = function ( node, surfaceModel ) {
var captionRange, captionNode,
doc = surfaceModel.getDocument();
// Update the caption
if ( node.getType() === 'mwBlockImage' ) {
captionNode = node.getCaptionNode();
if ( !captionNode ) {
// There was no caption before, so insert one now
surfaceModel.getFragment()
.adjustLinearSelection( 1 )
.collapseToStart()
.insertContent( [ { type: 'mwImageCaption' }, { type: '/mwImageCaption' } ] );
// Update the caption node
captionNode = node.getCaptionNode();
}
captionRange = captionNode.getRange();
// Remove contents of old caption
surfaceModel.change(
ve.dm.Transaction.newFromRemoval(
doc,
captionRange,
true
)
);
// Add contents of new caption
surfaceModel.change(
ve.dm.Transaction.newFromDocumentInsertion(
doc,
captionRange.start,
this.getCaptionDocument()
)
);
}
// Update attributes
surfaceModel.change(
ve.dm.Transaction.newFromAttributeChanges(
doc,
node.getOffset(),
this.getUpdatedAttributes()
)
);
};
/**
* Insert image into a surface.
*
* Image is inserted at the current fragment position.
*
* @param {ve.dm.SurfaceFragment} fragment Fragment covering range to insert at
* @return {ve.dm.SurfaceFragment} Fragment covering inserted image
* @throws {Error} Unknown image node type
*/
ve.dm.MWImageModel.prototype.insertImageNode = function ( fragment ) {
var captionDoc, offset, contentToInsert,
nodeType = this.getImageNodeType(),
surfaceModel = fragment.getSurface();
if ( !( fragment.getSelection() instanceof ve.dm.LinearSelection ) ) {
return fragment;
}
contentToInsert = this.getData();
switch ( nodeType ) {
case 'mwInlineImage':
// Try to put the image inside the nearest content node
offset = fragment.getDocument().data.getNearestContentOffset( fragment.getSelection().getRange().start );
if ( offset > -1 ) {
fragment = fragment.clone( new ve.dm.LinearSelection( fragment.getDocument(), new ve.Range( offset ) ) );
}
fragment.insertContent( contentToInsert );
return fragment;
case 'mwBlockImage':
// Try to put the image in front of the structural node
offset = fragment.getDocument().data.getNearestStructuralOffset( fragment.getSelection().getRange().start, -1 );
if ( offset > -1 ) {
fragment = fragment.clone( new ve.dm.LinearSelection( fragment.getDocument(), new ve.Range( offset ) ) );
}
fragment.insertContent( contentToInsert );
// Check if there is caption document and insert it
captionDoc = this.getCaptionDocument();
if ( captionDoc.data.hasContent() ) {
// Add contents of new caption
surfaceModel.change(
ve.dm.Transaction.newFromDocumentInsertion(
surfaceModel.getDocument(),
fragment.getSelection().getRange().start + 2,
this.getCaptionDocument()
)
);
}
return fragment;
default:
throw new Error( 'Unknown image node type ' + nodeType );
}
};
/**
* Get linear data representation of the image
*
* @return {Array} Linear data
*/
ve.dm.MWImageModel.prototype.getData = function () {
var data,
originalAttrs = ve.copy( this.getOriginalImageAttributes() ),
editAttributes = $.extend( originalAttrs, this.getUpdatedAttributes() ),
nodeType = this.getImageNodeType();
// Remove old classes
delete editAttributes.originalClasses;
delete editAttributes.unrecognizedClasses;
// Newly created images must have valid URLs, so remove the error attribute
if ( this.isChangedImageSource() ) {
delete editAttributes.isError;
}
data = [
{
type: nodeType,
attributes: editAttributes
},
{ type: '/' + nodeType }
];
if ( nodeType === 'mwBlockImage' ) {
data.splice( 1, 0, { type: 'mwImageCaption' }, { type: '/mwImageCaption' } );
}
return data;
};
/**
* Return all updated attributes that belong to the node.
*
* @return {Object} Updated attributes
*/
ve.dm.MWImageModel.prototype.getUpdatedAttributes = function () {
var attrs, currentDimensions,
origAttrs = this.getOriginalImageAttributes();
// Adjust default dimensions if size is set to default
if ( this.scalable.isDefault() && this.scalable.getDefaultDimensions() ) {
currentDimensions = this.scalable.getDefaultDimensions();
} else {
currentDimensions = this.getCurrentDimensions();
}
attrs = {
type: this.getType(),
width: currentDimensions.width,
height: currentDimensions.height,
defaultSize: this.isDefaultSize(),
borderImage: this.hasBorder()
};
if ( origAttrs.alt !== undefined || this.getAltText() !== '' ) {
attrs.alt = this.getAltText();
}
if ( this.isDefaultAligned() ) {
attrs.align = 'default';
} else if ( !this.isAligned() ) {
attrs.align = 'none';
} else {
attrs.align = this.getAlignment();
}
attrs.src = this.getImageSource();
attrs.href = this.getImageHref();
attrs.resource = this.getImageResourceName();
// If converting from block to inline, set isLinked=true to avoid |link=
if ( origAttrs.isLinked === undefined && this.getImageNodeType() === 'mwInlineImage' ) {
attrs.isLinked = true;
}
return attrs;
};
/**
* Deal with default change on the scalable object
*
* @param {boolean} isDefault
*/
ve.dm.MWImageModel.prototype.onScalableDefaultSizeChange = function ( isDefault ) {
this.toggleDefaultSize( isDefault );
};
/**
* Set the image file source
*
* @param {string} src The source of the given media file
*/
ve.dm.MWImageModel.prototype.setImageSource = function ( src ) {
this.imageSrc = src;
};
/**
* Set the image file resource name
*
* @param {string} resourceName The resource name of the given image file
*/
ve.dm.MWImageModel.prototype.setImageResourceName = function ( resourceName ) {
this.imageResourceName = resourceName;
};
/**
* Set the image href value
*
* @param {string} href The destination href of the given media file
*/
ve.dm.MWImageModel.prototype.setImageHref = function ( href ) {
this.imageHref = href;
};
/**
* Set the original bounding box
*
* @param {Object} box Bounding box with width and height
*/
ve.dm.MWImageModel.prototype.setBoundingBox = function ( box ) {
this.boundingBox = box;
};
/**
* Set the initial hash object of the image to be compared to when
* checking if the model is modified.
*
* @param {Object} hash The initial hash object
*/
ve.dm.MWImageModel.prototype.storeInitialHash = function ( hash ) {
this.initialHash = hash;
};
/**
* Set symbolic name of media type.
*
* Example values: "BITMAP" for JPEG or PNG images; "DRAWING" for SVG graphics
*
* @param {string|undefined} type Symbolic media type name, or undefined if empty
*/
ve.dm.MWImageModel.prototype.setMediaType = function ( type ) {
this.mediaType = type;
};
/**
* Check whether the image is set to default size
*
* @return {boolean} Default size flag on or off
*/
ve.dm.MWImageModel.prototype.isDefaultSize = function () {
return this.scalable.isDefault();
};
/**
* Check whether the image has the border flag set
*
* @return {boolean} Border flag on or off
*/
ve.dm.MWImageModel.prototype.hasBorder = function () {
return this.border;
};
/**
* Check whether the image source is changed
*
* @return {boolean} changedImageSource flag on or off
*/
ve.dm.MWImageModel.prototype.isChangedImageSource = function () {
return this.changedImageSource;
};
/**
* Check whether the image has floating alignment set
*
* @param {string} [align] Optional. Alignment value to test against.
* @return {boolean} hasAlignment flag on or off
*/
ve.dm.MWImageModel.prototype.isAligned = function ( align ) {
align = align || this.alignment;
// The image is aligned if it has alignment (not undefined and not null)
// and if its alignment is not 'none'.
// Inline images initially have null alignment value (and are not aligned)
return align && align !== 'none';
};
/**
* Check whether the image is set to default alignment
* We explicitly repeat tests so to avoid recursively calling
* the other methods.
*
* @param {string} [imageType] Type of the image.
* @param {string} [align] Optional alignment value to test against.
* Supplying this parameter would test whether this align parameter
* would mean the image is aligned to its default position.
* @return {boolean} defaultAlignment flag on or off
*/
ve.dm.MWImageModel.prototype.isDefaultAligned = function ( imageType, align ) {
var alignment = align || this.getAlignment(),
defaultAlignment = ( this.parentDoc.getDir() === 'rtl' ) ? 'left' : 'right';
imageType = imageType || this.getType();
// No alignment specified means default alignment always
// Inline images have no align attribute; during the initialization
// stage of the model we have to account for that option. Later the
// model creates a faux alignment for inline images ('none' for default)
// but if initially the alignment is null or undefined, it means the image
// is inline without explicit alignment (which makes it default aligned)
if ( !alignment ) {
return true;
}
if (
(
( imageType === 'frameless' || imageType === 'none' ) &&
alignment === 'none'
) ||
(
( imageType === 'thumb' || imageType === 'frame' ) &&
alignment === defaultAlignment
)
) {
return true;
}
return false;
};
/**
* Check whether the image can have a border set on it
*
* @return {boolean} Border possible or not
*/
ve.dm.MWImageModel.prototype.isBorderable = function () {
return this.borderable;
};
/**
* Get the image file resource name
*
* @return {string} resourceName The resource name of the given media file
*/
ve.dm.MWImageModel.prototype.getResourceName = function () {
return this.imageResourceName;
};
/**
* Get the image alternate text
*
* @return {string} Alternate text
*/
ve.dm.MWImageModel.prototype.getAltText = function () {
return this.altText || '';
};
/**
* Get image wikitext type; 'thumb', 'frame', 'frameless' or 'none/inline'
*
* @return {string} Image type
*/
ve.dm.MWImageModel.prototype.getType = function () {
return this.type;
};
/**
* Get the image size type of the image
*/
ve.dm.MWImageModel.prototype.getSizeType = function () {
return this.sizeType;
};
/**
* Get symbolic name of media type.
*
* Example values: "BITMAP" for JPEG or PNG images; "DRAWING" for SVG graphics
*
* @return {string|undefined} Symbolic media type name, or undefined if empty
*/
ve.dm.MWImageModel.prototype.getMediaType = function () {
return this.mediaType;
};
/**
* Get image alignment 'left', 'right', 'center', 'none' or 'default'
*
* @return {string|null} Image alignment. Inline images have initial alignment
* value of null.
*/
ve.dm.MWImageModel.prototype.getAlignment = function () {
return this.alignment;
};
/**
* Get image vertical alignment
* 'middle', 'baseline', 'sub', 'super', 'top', 'text-top', 'bottom', 'text-bottom' or 'default'
*
* @return {string} Image alignment
*/
ve.dm.MWImageModel.prototype.getVerticalAlignment = function () {
return this.verticalAlignment;
};
/**
* Get the scalable object responsible for size manipulations
* for the given image
*
* @return {ve.dm.Scalable} Scalable object
*/
ve.dm.MWImageModel.prototype.getScalable = function () {
return this.scalable;
};
/**
* Get the image current dimensions
*
* @return {Object} Current dimensions width/height
* @return {number} dimensions.width The width of the image
* @return {number} dimensions.height The height of the image
*/
ve.dm.MWImageModel.prototype.getCurrentDimensions = function () {
return this.scalable.getCurrentDimensions();
};
/**
* Get image caption document.
*
* Auto-generates a blank document if no document exists.
*
* @return {ve.dm.Document} Caption document
*/
ve.dm.MWImageModel.prototype.getCaptionDocument = function () {
if ( !this.captionDoc ) {
this.captionDoc = new ve.dm.Document(
[
{ type: 'paragraph', internal: { generated: 'wrapper' } },
{ type: '/paragraph' },
{ type: 'internalList' },
{ type: '/internalList' }
],
// htmlDocument
this.parentDoc.getHtmlDocument(),
// parentDocument
null,
// internalList
null,
// innerWhitespace
null,
// lang
this.parentDoc.getLang(),
// dir
this.parentDoc.getDir()
);
}
return this.captionDoc;
};
/**
* Toggle the option of whether this image can or cannot have
* a border set on it.
*
* @param {boolean} [borderable] Set or unset borderable. If not
* specified, the current state is toggled.
*/
ve.dm.MWImageModel.prototype.toggleBorderable = function ( borderable ) {
borderable = borderable !== undefined ? !!borderable : !this.isBorderable();
this.borderable = borderable;
};
/**
* Toggle the border flag of the image
*
* @param {boolean} [hasBorder] Border flag. Omit to toggle current value.
*/
ve.dm.MWImageModel.prototype.toggleBorder = function ( hasBorder ) {
hasBorder = hasBorder !== undefined ? !!hasBorder : !this.hasBorder();
this.border = !!hasBorder;
};
/**
* Toggle the default size flag of the image
*
* @param {boolean} [isDefault] Default size flag. Omit to toggle current value.
* @fires sizeDefaultChange
*/
ve.dm.MWImageModel.prototype.toggleDefaultSize = function ( isDefault ) {
isDefault = isDefault !== undefined ? !!isDefault : !this.isDefaultSize();
if ( this.isDefaultSize() !== isDefault ) {
this.scalable.toggleDefault( !!isDefault );
this.resetDefaultDimensions();
this.emit( 'sizeDefaultChange', !!isDefault );
}
};
/**
* Cache all image attributes
*
* @param {Object} attrs Image attributes
*/
ve.dm.MWImageModel.prototype.cacheOriginalImageAttributes = function ( attrs ) {
this.attributesCache = attrs;
};
/**
* Get the cache of all image attributes
*
* @return {Object} attrs Image attributes
*/
ve.dm.MWImageModel.prototype.getOriginalImageAttributes = function () {
return this.attributesCache;
};
/**
* Set the current dimensions of the image.
* Normalize in case only one dimension is available.
*
* @param {Object} dimensions Dimensions width and height
* @param {number} dimensions.width The width of the image
* @param {number} dimensions.height The height of the image
*/
ve.dm.MWImageModel.prototype.setCurrentDimensions = function ( dimensions ) {
var normalizedDimensions = ve.dm.Scalable.static.getDimensionsFromValue( dimensions, this.scalable.getRatio() );
this.scalable.setCurrentDimensions( normalizedDimensions );
};
/**
* Set alternate text
*
* @param {string} text Alternate text
*/
ve.dm.MWImageModel.prototype.setAltText = function ( text ) {
this.altText = text;
};
/**
* Set image type
*
* @see #getType
*
* @param {string} type Image type
* @fires typeChange
*/
ve.dm.MWImageModel.prototype.setType = function ( type ) {
var isDefaultAligned = this.isDefaultAligned( this.imageCurrentType );
this.type = type;
// If we're switching between inline and block or vice versa,
// check if the old type image was default aligned
if ( isDefaultAligned && this.imageCurrentType !== this.type ) {
if ( this.type === 'none' || this.type === 'frameless' ) {
// Reset default alignment for switching to inline images
this.setAlignment( 'none' );
} else {
// Reset default alignment for all other images
this.setAlignment( 'default' );
}
}
// Cache the current type for next check
this.imageCurrentType = type;
if ( type === 'frame' || type === 'thumb' ) {
// Disable border option
this.toggleBorderable( false );
} else {
// Enable border option
this.toggleBorderable( true );
}
// If type is frame, set to 'default' size
if ( type === 'frame' ) {
this.toggleDefaultSize( true );
}
// Let the image node update scalable considerations
// for default and max dimensions as per the new type.
ve.dm.MWImageNode.static.syncScalableToType( type, this.getMediaType(), this.getScalable() );
this.emit( 'typeChange', type );
};
/**
* Reset the default dimensions of the image based on its type
* and on whether we have the originalDimensions object from
* the API
*/
ve.dm.MWImageModel.prototype.resetDefaultDimensions = function () {
var originalDimensions = this.scalable.getOriginalDimensions();
if ( !$.isEmptyObject( originalDimensions ) ) {
if ( this.getType() === 'thumb' || this.getType() === 'frameless' ) {
// Default is thumb size
if ( originalDimensions.width <= this.defaultThumbSize ) {
this.scalable.setDefaultDimensions( originalDimensions );
} else {
this.scalable.setDefaultDimensions(
ve.dm.Scalable.static.getDimensionsFromValue( {
width: this.defaultThumbSize
}, this.scalable.getRatio() )
);
}
} else {
// Default is original size
this.scalable.setDefaultDimensions( originalDimensions );
}
} else {
this.scalable.setDefaultDimensions( {} );
}
};
/**
* Retrieve the currently set default dimensions from the scalable
* object attached to the image.
*
* @return {Object} Image default dimensions
*/
ve.dm.MWImageModel.prototype.getDefaultDimensions = function () {
return this.scalable.getDefaultDimensions();
};
/**
* Change size type of the image
*
* @param {string} type Size type 'default', 'custom' or 'scale'
*/
ve.dm.MWImageModel.prototype.setSizeType = function ( type ) {
if ( this.sizeType !== type ) {
this.sizeType = type;
this.toggleDefaultSize( type === 'default' );
}
};
/**
* Set image alignment
*
* @see #getAlignment
*
* @param {string} align Alignment
*/
ve.dm.MWImageModel.prototype.setAlignment = function ( align ) {
if ( align === 'default' ) {
// If default, set the alignment to language dir default
align = this.getDefaultDir();
}
this.alignment = align;
this.emit( 'alignmentChange', align );
};
/**
* Set image vertical alignment
*
* @see #getVerticalAlignment
*
* @param {string} valign Alignment
*/
ve.dm.MWImageModel.prototype.setVerticalAlignment = function ( valign ) {
this.verticalAlignment = valign;
this.emit( 'alignmentChange', valign );
};
/**
* Get the default alignment according to the document direction
*
* @param {string} [imageNodeType] Optional. The image node type that we would
* like to get the default direction for. Supplying this parameter allows us
* to check what the default alignment of a specific type of node would be.
* If the parameter is not supplied, the default alignment will be calculated
* based on the current node type.
* @return {string} Node alignment based on document direction
*/
ve.dm.MWImageModel.prototype.getDefaultDir = function ( imageNodeType ) {
imageNodeType = imageNodeType || this.getImageNodeType();
if ( this.parentDoc.getDir() === 'rtl' ) {
// Assume position is 'left'
return ( imageNodeType === 'mwBlockImage' ) ? 'left' : 'none';
} else {
// Assume position is 'right'
return ( imageNodeType === 'mwBlockImage' ) ? 'right' : 'none';
}
};
/**
* Get the image file source
* The image file source that points to the location of the
* file on the Web.
* For instance, '//upload.wikimedia.org/wikipedia/commons/0/0f/Foo.jpg'
*
* @return {string} The source of the given media file
*/
ve.dm.MWImageModel.prototype.getImageSource = function () {
return this.imageSrc;
};
/**
* Get the image file resource name.
* The resource name represents the filename without the full
* source url.
* For example, './File:Foo.jpg'
*
* @return {string} The resource name of the given media file
*/
ve.dm.MWImageModel.prototype.getImageResourceName = function () {
return this.imageResourceName;
};
/**
* Get the image href value.
* This is the link that the image leads to. It usually contains
* the link to the source of the image in commons or locally, but
* may hold an alternative link if link= is supplied in the wikitext.
* For example, './File:Foo.jpg' or 'http://www.wikipedia.org'
*
* @return {string} The destination href of the given media file
*/
ve.dm.MWImageModel.prototype.getImageHref = function () {
return this.imageHref;
};
/**
* Attach a new scalable object to the model and request the
* information from the API.
*
* @param {ve.dm.Scalable} scalable Scalable object
*/
ve.dm.MWImageModel.prototype.attachScalable = function ( scalable ) {
var imageName = this.getResourceName().replace( /^(\.+\/)*/, '' ),
imageModel = this;
if ( this.scalable instanceof ve.dm.Scalable ) {
this.scalable.disconnect( this );
}
this.scalable = scalable;
// Events
this.scalable.connect( this, { defaultSizeChange: 'onScalableDefaultSizeChange' } );
// Call for updated scalable
if ( imageName ) {
ve.dm.MWImageNode.static.getScalablePromise( imageName ).done( function ( info ) {
imageModel.scalable.setOriginalDimensions( {
width: info.width,
height: info.height
} );
// Update media type
imageModel.setMediaType( info.mediatype );
// Update according to type
ve.dm.MWImageNode.static.syncScalableToType(
imageModel.getType(),
imageModel.getMediaType(),
imageModel.getScalable()
);
// We have to adjust the details in the initial hash if the original
// image was 'default' since we didn't have default until now and the
// default dimensions that were 'recorded' were wrong
if ( !$.isEmptyObject( imageModel.initialHash ) && imageModel.initialHash.scalable.isDefault ) {
imageModel.initialHash.scalable.currentDimensions = imageModel.scalable.getDefaultDimensions();
}
} );
}
};
/**
* Set the filename of the current image
*
* @param {string} filename Image filename
*/
ve.dm.MWImageModel.prototype.setFilename = function ( filename ) {
this.filename = filename;
};
/**
* Get the filename of the current image
*
* @return {string} filename Image filename
*/
ve.dm.MWImageModel.prototype.getFilename = function () {
return this.filename;
};
/**
* If the image changed, update scalable definitions.
*
* @param {Object} originalDimensions Image original dimensions
*/
ve.dm.MWImageModel.prototype.updateScalableDetails = function ( originalDimensions ) {
var newDimensions;
// Resize the new image's current dimensions to default or based on the bounding box
if ( this.isDefaultSize() ) {
// Scale to default
newDimensions = ve.dm.MWImageNode.static.scaleToThumbnailSize( originalDimensions );
} else {
if ( this.getBoundingBox() ) {
// Scale the new image by its width
newDimensions = ve.dm.MWImageNode.static.resizeToBoundingBox(
originalDimensions,
{
width: this.boundingBox.width,
height: Infinity
}
);
} else {
newDimensions = originalDimensions;
}
}
if ( newDimensions ) {
this.getScalable().setCurrentDimensions( newDimensions );
}
};
/**
* Set image caption document.
*
* @param {ve.dm.Document} doc Image caption document
*/
ve.dm.MWImageModel.prototype.setCaptionDocument = function ( doc ) {
this.captionDoc = doc;
};
/**
* Check if the model attributes and parameters have been modified by
* comparing the current hash to the new hash object.
*
* @return {boolean} Model has been modified
*/
ve.dm.MWImageModel.prototype.hasBeenModified = function () {
if ( this.initialHash ) {
return !ve.compare( this.initialHash, this.getHashObject() );
}
return true;
};