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* VisualEditor UserInterface ListAction class.
*
* @copyright See AUTHORS.txt
*/
/**
* List action.
*
* @class
* @extends ve.ui.Action
* @constructor
* @param {ve.ui.Surface} surface Surface to act on
* @param {string} [source]
*/
ve.ui.ListAction = function VeUiListAction() {
// Parent constructor
ve.ui.ListAction.super.apply( this, arguments );
};
/* Inheritance */
OO.inheritClass( ve.ui.ListAction, ve.ui.Action );
/* Static Properties */
ve.ui.ListAction.static.name = 'list';
ve.ui.ListAction.static.methods = [ 'wrap', 'unwrap', 'toggle', 'wrapOnce' ];
/* Methods */
/**
* Check if the current selection is wrapped in a list of a given style
*
* @param {string|null} style List style, e.g. 'number' or 'bullet', or null for any style
* @param {string} [listType='list'] List type
* @return {boolean} Current selection is all wrapped in a list
*/
ve.ui.ListAction.prototype.allWrapped = function ( style, listType ) {
listType = listType || 'list';
var attributes = style ? { style: style } : undefined;
return this.surface.getModel().getFragment().hasMatchingAncestor( listType, attributes, true );
};
/**
* Toggle a list around content.
*
* @param {string} style List style, e.g. 'number' or 'bullet'
* @param {boolean} noBreakpoints Don't create breakpoints
* @param {string} [listType='list'] List type
* @return {boolean} Action was executed
*/
ve.ui.ListAction.prototype.toggle = function ( style, noBreakpoints, listType ) {
Iif ( this.allWrapped( style, listType ) ) {
return this.unwrap( noBreakpoints, listType );
} else {
return this.wrap( style, noBreakpoints, listType );
}
};
/**
* Add a list around content only if it has no list already.
*
* @param {string} style List style, e.g. 'number' or 'bullet'
* @param {boolean} noBreakpoints Don't create breakpoints
* @param {string} [listType='list'] List type
* @return {boolean} Action was executed
*/
ve.ui.ListAction.prototype.wrapOnce = function ( style, noBreakpoints, listType ) {
// Check for a list of any style
Eif ( !this.allWrapped( null, listType ) ) {
return this.wrap( style, noBreakpoints, listType );
}
return false;
};
/**
* Add a list around content.
*
* TODO: Refactor functionality into {ve.dm.SurfaceFragment}.
*
* @param {string} style List style, e.g. 'number' or 'bullet'
* @param {boolean} noBreakpoints Don't create breakpoints
* @param {string} [listType='list'] List type
* @return {boolean} Action was executed
*/
ve.ui.ListAction.prototype.wrap = function ( style, noBreakpoints, listType ) {
var surfaceModel = this.surface.getModel(),
selection = surfaceModel.getSelection();
Iif ( !( selection instanceof ve.dm.LinearSelection ) ) {
return false;
}
listType = listType || 'list';
if ( !noBreakpoints ) {
surfaceModel.breakpoint();
}
var documentModel = surfaceModel.getDocument();
var range = selection.getRange();
// TODO: Would be good to refactor at some point and avoid/abstract path split for block slug
// and not block slug.
Iif (
range.isCollapsed() &&
!documentModel.data.isContentOffset( range.to ) &&
documentModel.hasSlugAtOffset( range.to )
) {
// Inside block level slug
var fragment = surfaceModel.getFragment( null, true )
.insertContent( [
{ type: 'paragraph' },
{ type: '/paragraph' }
] )
.collapseToStart()
.adjustLinearSelection( 1, 1 )
.select();
range = fragment.getSelection().getRange();
}
var previousList;
var groups = documentModel.getCoveredSiblingGroups( range );
for ( var i = 0; i < groups.length; i++ ) {
var group = groups[ i ];
// TODO: Allow conversion between different list types
if ( group.grandparent && group.grandparent.getType() === listType ) {
Eif ( group.grandparent !== previousList ) {
surfaceModel.getLinearFragment( group.grandparent.getOuterRange(), true )
// Change the list style
.changeAttributes( { style: style } );
previousList = group.grandparent;
}
} else {
// Get a range that covers the whole group
var groupRange = new ve.Range(
group.nodes[ 0 ].getOuterRange().start,
group.nodes[ group.nodes.length - 1 ].getOuterRange().end
);
var element = { type: listType };
Eif ( style ) {
element.attributes = { style: style };
}
var itemElement = ve.dm.modelRegistry.lookup( listType ).static.createItem();
surfaceModel.getLinearFragment( groupRange, true )
// Convert everything to paragraphs first
.convertNodes( 'paragraph', null, { generated: 'wrapper' } )
// Wrap everything in a list and each content branch in a listItem
.wrapAllNodes( element, itemElement );
}
}
if ( !noBreakpoints ) {
surfaceModel.breakpoint();
}
return true;
};
/**
* Remove list around content.
*
* TODO: Refactor functionality into {ve.dm.SurfaceFragment}.
*
* @param {boolean} noBreakpoints Don't create breakpoints
* @param {string} [listType='list'] List type
* @return {boolean} Action was executed
*/
ve.ui.ListAction.prototype.unwrap = function ( noBreakpoints, listType ) {
var surfaceModel = this.surface.getModel();
Iif ( !( surfaceModel.getSelection() instanceof ve.dm.LinearSelection ) ) {
return false;
}
Eif ( !noBreakpoints ) {
surfaceModel.breakpoint();
}
var indentationAction = ve.ui.actionFactory.create( 'indentation', this.surface );
var documentModel = surfaceModel.getDocument();
listType = listType || 'list';
var node;
do {
node = documentModel.getBranchNodeFromOffset( surfaceModel.getSelection().getRange().start );
} while ( node.hasMatchingAncestor( listType ) && indentationAction.decrease() );
Eif ( !noBreakpoints ) {
surfaceModel.breakpoint();
}
return true;
};
/* Registration */
ve.ui.actionFactory.register( ve.ui.ListAction );
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