mediawiki-extensions-Visual.../modules/ve/ui/tools/ve.ui.ListButtonTool.js

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/**
* Creates an ve.ui.ListButtonTool object.
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*
* @class
* @constructor
* @extends {ve.ui.ButtonTool}
* @param {ve.ui.Toolbar} toolbar
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* @param {String} name
*/
ve.ui.ListButtonTool = function( toolbar, name, title, data ) {
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// Inheritance
ve.ui.ButtonTool.call( this, toolbar, name, title );
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// Properties
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this.data = data;
this.nodes = [];
};
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/* Methods */
ve.ui.ListButtonTool.prototype.list = function( nodes, style ) {
var surface = this.toolbar.surfaceView,
selection = surface.currentSelection.clone(),
stack = [],
stacks = [],
listItems = [],
parent,
styles,
insertAt,
removeLength,
data,
tx,
i,
j;
for( i = 0; i < nodes.length; i++ ) {
parent = nodes[i].getParent();
if ( parent.getElementType() === 'listItem' ) {
if ( stack.length > 0 ) {
stacks.push( stack );
stack = [];
}
listItems.push( parent );
} else {
if( stack.length > 0 ) {
if ( parent === stack[stack.length - 1].getParent() ) {
stack.push( nodes[i] );
} else {
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stacks.push( stack );
stack = [ nodes[i] ];
}
} else {
stack.push( nodes[i] );
}
}
}
if( stack.length > 0 ) {
stacks.push( stack );
}
if ( stacks.length > 0 ) {
if ( selection.from === selection.to ) {
selection.from += 2;
selection.to += 2;
} else {
if ( nodes[0].getParent().getElementType() != 'listItem' ) {
if ( selection.from < selection.to ) {
selection.from += 2;
} else {
selection.to += 2;
}
}
if ( selection.from < selection.to ) {
selection.to += (stacks.length * 2) + (nodes.length - listItems.length - 1) * 2;
} else {
selection.from += (stacks.length * 2) + (nodes.length - listItems.length - 1) * 2;
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}
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}
}
for ( i = 0; i < listItems.length; i++ ) {
styles = listItems[i].getElementAttribute( 'styles' );
if ( styles[styles.length - 1] !== style ) {
tx = surface.model.getDocument().prepareElementAttributeChange(
surface.documentView.model.getOffsetFromNode( listItems[i], false ),
'styles',
styles.slice( 0, styles.length - 1 ).concat( style )
);
surface.model.transact( tx );
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}
}
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for ( i = 0; i < stacks.length; i++ ) {
removeLength = 0;
insertAt = surface.documentView.model.getOffsetFromNode( stacks[i][0], false );
data = [ { 'type': 'list' } ];
for( j = 0; j < stacks[i].length; j++ ) {
removeLength += stacks[i][j].getElementLength();
data = data
.concat( [ {
'type': 'listItem',
'attributes' : { 'styles': [ this.name ] }
} ] )
//.concat( stacks[i][j].getElementData() )
.concat( [ { 'type': 'paragraph' } ] )
.concat( stacks[i][j].getContentData() )
.concat( [ { 'type': '/paragraph' } ] )
.concat( [ { 'type': '/listItem' } ] );
}
data = data.concat( [ { 'type': '/list' } ] );
tx = surface.model.getDocument().prepareInsertion( insertAt, data );
surface.model.transact( tx );
tx = surface.model.getDocument().prepareRemoval(
new ve.Range( insertAt + data.length, insertAt + removeLength + data.length )
);
surface.model.transact( tx );
}
surface.model.select( selection, true );
surface.emitCursor();
};
ve.ui.ListButtonTool.prototype.unlist = function( nodes ) {
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var listItems = [],
listItem,
i;
for( i = 0; i < nodes.length; i++ ) {
listItem = nodes[i].getParent();
if ( listItems.length > 0 ) {
if (listItem != listItems[listItems.length - 1]) {
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listItems.push( listItem );
}
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} else {
listItems.push( listItem );
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}
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}
var stacks = [],
stack = {
first: false,
last: false,
nodes: [],
offset: 0,
length: 0
},
surface = this.toolbar.surfaceView,
selection = surface.currentSelection.clone(),
from = 0,
to = 0;
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for( i = 0; i < listItems.length; i++ ) {
if( stack.nodes.length > 0 ) {
if ( stack.nodes[stack.nodes.length - 1].getParent() != listItems[i].getParent() ) {
stacks.push( stack );
stack = {
first: false,
last: false,
nodes: [],
offset: 0,
length: 0
};
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}
}
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if ( listItems[i].getParent().indexOf( listItems[i] ) === 0 ) {
stack.first = true;
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}
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if ( listItems[i].getParent().indexOf( listItems[i] ) === listItems[i].getParent().children.length - 1 ) {
stack.last = true;
}
if( stack.nodes.length === 0 ){
stack.offset = surface.documentView.model.getOffsetFromNode(listItems[i], false);
}
stack.length += listItems[i].getElementLength();
stack.nodes.push( listItems[i] );
}
if( stack.nodes.length > 0 ) {
stacks.push(stack);
}
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var tx,
j,
extra,
data;
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for( i = stacks.length - 1; i >= 0; i-- ) {
stack = stacks[i];
data = [];
for( j = 0; j < stack.nodes.length; j++ ) {
data = data.concat( stack.nodes[j].getContentData() );
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}
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if ( stack.first === true && stack.last === true ) {
tx = surface.model.getDocument().prepareRemoval(
new ve.Range( stack.offset - 1 /* list */, stack.offset + stack.length + 1 /* /list */ )
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);
surface.model.transact( tx );
tx = surface.model.getDocument().prepareInsertion( stack.offset - 1, data );
surface.model.transact( tx );
from = -2;
to += -(stack.nodes.length * 2);
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} else if ( stack.first === true && stack.last === false ) {
tx = surface.model.getDocument().prepareRemoval(
new ve.Range( stack.offset, stack.offset + stack.length )
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);
surface.model.transact( tx );
tx = surface.model.getDocument().prepareInsertion( stack.offset - 1, data );
surface.model.transact( tx );
from = -2;
to += -(stack.nodes.length * 2);
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} else if ( stack.first === false && stack.last === true ) {
tx = surface.model.getDocument().prepareRemoval(
new ve.Range( stack.offset, stack.offset + stack.length )
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);
surface.model.transact( tx );
tx = surface.model.getDocument().prepareInsertion( stack.offset + 1, data );
surface.model.transact( tx );
to += -(stack.nodes.length * 2);
to += 2;
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} else if ( stack.first === false && stack.last === false ) {
var parent = stack.nodes[0].getParent();
var parentOffset = surface.documentView.model.getOffsetFromNode( parent, false );
var parentLength = parent.getElementLength();
tx = surface.model.getDocument().prepareRemoval(
new ve.Range( stack.offset, stack.offset + stack.length )
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);
surface.model.transact( tx );
var remainingRange = new ve.Range( stack.offset, parentOffset + parentLength - stack.length - 1 );
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var remainingData = surface.model.getDocument().getData( remainingRange );
tx = surface.model.getDocument().prepareRemoval( remainingRange );
surface.model.transact( tx );
tx = surface.model.getDocument().prepareInsertion(
stack.offset + 1,
[ { 'type': 'list' } ].concat( remainingData ).concat( [ { 'type': '/list' } ] )
);
surface.model.transact( tx );
tx = surface.model.getDocument().prepareInsertion( stack.offset + 1, data );
surface.model.transact( tx );
to += -(stack.nodes.length * 2);
to += 2;
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}
}
if ( selection.from === selection.to ) {
selection.from += from;
selection.to += from;
} else {
if ( selection.to > selection.from ) {
selection.from += from;
selection.to += to;
} else {
selection.to += from;
selection.from += to;
}
}
surface.model.select( selection, true );
surface.emitCursor();
};
ve.ui.ListButtonTool.prototype.onClick = function() {
this.toolbar.surfaceView.model.breakpoint();
if ( !this.$.hasClass( 'es-toolbarButtonTool-down' ) ) {
this.list( this.nodes, this.name );
} else {
this.unlist( this.nodes );
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}
this.toolbar.surfaceView.model.breakpoint();
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};
ve.ui.ListButtonTool.prototype.updateState = function( annotations, nodes ) {
function areListItemsOfStyle( nodes, style ) {
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var parent, styles;
for( var i = 0; i < nodes.length; i++ ) {
parent = nodes[i].getParent();
if ( parent.getElementType() !== 'listItem' ) {
return false;
}
styles = parent.getElementAttribute( 'styles' );
if ( styles[ styles.length - 1] !== style ) {
return false;
}
}
return true;
}
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this.nodes = nodes;
if ( areListItemsOfStyle( this.nodes, this.name ) ) {
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this.$.addClass( 'es-toolbarButtonTool-down' );
} else {
this.$.removeClass( 'es-toolbarButtonTool-down' );
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}
};
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/* Registration */
ve.ui.Tool.tools.number = {
'constructor': ve.ui.ListButtonTool,
'name': 'number',
'title': 'Numbered list'
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};
ve.ui.Tool.tools.bullet = {
'constructor': ve.ui.ListButtonTool,
'name': 'bullet',
'title': 'Bulleted list'
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};
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/* Inheritance */
ve.extendClass( ve.ui.ListButtonTool, ve.ui.ButtonTool );