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* VisualEditor UserInterface BlockquoteAction class.
*
* @copyright See AUTHORS.txt
*/
/**
* Blockquote action.
*
* @class
* @extends ve.ui.Action
* @constructor
* @param {ve.ui.Surface} surface Surface to act on
* @param {string} [source]
*/
ve.ui.BlockquoteAction = function VeUiBlockquoteAction() {
// Parent constructor
ve.ui.BlockquoteAction.super.apply( this, arguments );
};
/* Inheritance */
OO.inheritClass( ve.ui.BlockquoteAction, ve.ui.Action );
/* Static Properties */
ve.ui.BlockquoteAction.static.name = 'blockquote';
ve.ui.BlockquoteAction.static.methods = [ 'wrap', 'unwrap', 'toggle' ];
/* Methods */
/**
* Check if the current selection is wrapped in a blockquote.
*
* @return {boolean} Current selection is wrapped in a blockquote
*/
ve.ui.BlockquoteAction.prototype.isWrapped = function () {
const fragment = this.surface.getModel().getFragment();
return fragment.hasMatchingAncestor( 'blockquote' );
};
/**
* Toggle a blockquote around content.
*
* @return {boolean} Action was executed
*/
ve.ui.BlockquoteAction.prototype.toggle = function () {
return this[ this.isWrapped() ? 'unwrap' : 'wrap' ]();
};
/**
* Add a blockquote around content (only if it has no blockquote already).
*
* @return {boolean} Action was executed
*/
ve.ui.BlockquoteAction.prototype.wrap = function () {
const surfaceModel = this.surface.getModel(),
selection = surfaceModel.getSelection();
Iif ( !( selection instanceof ve.dm.LinearSelection ) ) {
return false;
}
let fragment = surfaceModel.getFragment( null, true );
// Trim the selection range to the range of leaf nodes in the selection,
// to avoid covering whole nodes where only start/end tag was selected.
// For example:
// <p>asdf</p><p>qwer</p> --> <p>asdf</p><p>qwer</p>
// ^^^^^^^^^^^ ^^^^
const leaves = fragment.getSelectedLeafNodes();
const leavesRange = new ve.Range(
leaves[ 0 ].getRange().start,
leaves[ leaves.length - 1 ].getRange().end
);
fragment = surfaceModel.getLinearFragment( leavesRange, true );
// Expand to cover entire nodes
fragment = fragment.expandLinearSelection( 'siblings' );
// If the nodes can't be wrapped (e.g. they are list items), wrap the parent
while (
fragment.getCoveredNodes().some( ( nodeInfo ) => !nodeInfo.node.isAllowedParentNodeType( 'blockquote' ) || nodeInfo.node.isContent() )
) {
fragment = fragment.expandLinearSelection( 'parent' );
}
// Wrap everything in a blockquote
fragment.wrapAllNodes( { type: 'blockquote' } );
return true;
};
/**
* Remove blockquote around content (if present).
*
* @return {boolean} Action was executed
*/
ve.ui.BlockquoteAction.prototype.unwrap = function () {
const surfaceModel = this.surface.getModel(),
selection = surfaceModel.getSelection();
Iif ( !( selection instanceof ve.dm.LinearSelection ) ) {
return false;
}
Iif ( !this.isWrapped() ) {
return false;
}
let fragment = surfaceModel.getFragment( null, true );
// Trim the selection range to the range of leaf nodes in the selection,
// to avoid covering whole nodes where only start/end tag was selected.
// For example:
// <bq><p>asdf</p></bq><p>qwer</p> --> <bq><p>asdf</p></bq><p>qwer</p>
// ^^^^^^^^^^^^^^^^ ^^^^
const leaves = fragment.getSelectedLeafNodes();
const leavesRange = new ve.Range(
leaves[ 0 ].getRange().start,
leaves[ leaves.length - 1 ].getRange().end
);
fragment = surfaceModel.getLinearFragment( leavesRange, true );
fragment
// Expand to cover entire blockquote
.expandLinearSelection( 'closest', ve.dm.BlockquoteNode )
// Unwrap it
.unwrapNodes( 0, 1 );
return true;
};
/* Registration */
ve.ui.actionFactory.register( ve.ui.BlockquoteAction );
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