mediawiki-extensions-Visual.../modules/ve2/ce/ve.ce.Surface.js
Christian Williams 64b9b33eec IE and its silly events
Change-Id: I81f46eca20cc5197305cbd355751c4c90e3b670b
2012-05-25 16:12:58 -07:00

408 lines
9.9 KiB
JavaScript

/**
* ContentEditable surface.
*
* @class
* @constructor
* @param model {ve.dm.Surface} Model to observe
*/
ve.ce.Surface = function( $container, model ) {
// Inheritance
ve.EventEmitter.call( this );
// Properties
this.model = model;
this.documentView = new ve.ce.Document( model.getDocument() );
this.contextView = new ve.ui.Context( this );
this.$ = $container;
this.isMouseDown = false;
this.clipboard = {};
// Events
this.$.on( {
'mousedown': this.proxy( this.onMouseDown ),
'mouseup': this.proxy( this.onMouseUp ),
'mousemove': this.proxy( this.onMouseMove ),
'cut copy': this.proxy( this.onCutCopy ),
'beforepaste paste': this.proxy( this.onPaste ),
} );
// Initialization
this.$.append( this.documentView.documentNode.$ );
try {
document.execCommand( "enableObjectResizing", false, false );
document.execCommand( "enableInlineTableEditing", false, false );
} catch (e) { }
};
/* Methods */
ve.ce.Surface.prototype.proxy = function( func ) {
var _this = this;
return( function() {
return func.apply( _this, arguments );
});
};
ve.ce.Surface.prototype.onMouseDown = function( e ) {
this.isMouseDown = true;
var $closestLeaf = $( e.target ).closest( '.ve-ce-leafNode' );
if ( $closestLeaf.length > 0 ) {
var nodeModel = $closestLeaf.data( 'node' ).getModel();
var offset = nodeModel.getRoot().getOffsetFromNode( nodeModel );
this.showCursor( offset );
return false;
}
};
ve.ce.Surface.prototype.onMouseUp = function( e ) {
this.isMouseDown = false;
var rangySel = rangy.getSelection();
console.log("anchor", rangySel.anchorNode, rangySel.anchorOffset);
var offset1 = this.getOffset( rangySel.anchorNode, rangySel.anchorOffset );
console.log( 'offset1', offset1 );
var offset2 = this.documentView.model.getNearestContentOffset( offset1 );
console.log( 'offset2', offset2 );
var offset3 = this.documentView.model.getNearestStructuralOffset( offset1, 0, true );
console.log( 'offset3', offset3 );
this.showCursor( offset1 );
};
ve.ce.Surface.prototype.onMouseMove = function( e ) {
if ( this.isMouseDown === true ) {
//...
}
};
/**
* @method
*/
ve.ce.Surface.prototype.onCutCopy = function( e ) {
var _this = this,
sel = rangy.getSelection(),
key = sel.getRangeAt(0).toString().replace( /\s/gm, '' );
this.clipboard[key] = ve.copyArray(
this.documentView.model.getData( this.getSelectionRange() )
);
if ( e.type == 'cut' ) {
setTimeout( function() {
// we don't like how browsers cut, so let's undo it and do it ourselves.
document.execCommand('undo', false, false);
var selection = _this.getSelectionRange();
// transact
var tx = _this.model.getDocument().prepareRemoval( selection );
_this.autoRender = true;
_this.model.transact( tx );
_this.autoRender = false;
_this.clearPollData();
// place cursor
_this.showCursor( selection.start );
}, 1 );
}
};
/**
* @method
*/
ve.ce.Surface.prototype.onPaste = function( e ) {
var _this = this,
insertionPoint = _this.getSelectionRange().start;
$('#paste')
.html('')
.show()
.css( 'top', $(window).scrollTop() )
.css( 'left', $(window).scrollLeft() )
.focus();
setTimeout( function() {
var key = $('#paste').hide().text().replace( /\s/gm, '' );
if ( _this.clipboard[key] ) {
// transact
var tx = ve.dm.Transaction.newFromInsertion( _this.documentView.model, insertionPoint, _this.clipboard[key] );
ve.dm.TransactionProcessor.commit( _this.documentView.model, tx );
// place cursor
_this.showCursor( insertionPoint + _this.clipboard[key].length );
_this.documentView.documentNode.$.focus();
} else {
alert('i can only handle copy/paste from hybrid surface. sorry. :(');
}
}, 1 );
};
/**
* @method
* @param DOMnode {DOM Element} DOM Element
* @param DOMoffset {Integer} DOM offset within the DOM Element
* @returns {Integer} Linear model offset
*/
ve.ce.Surface.prototype.getOffset = function( DOMnode, DOMoffset ) {
if ( DOMnode.nodeType === 3 ) {
var $branch = $( DOMnode ).closest( '.ve-ce-branchNode' );
var current = [$branch.contents(), 0],
stack = [current],
offset = 0;
while ( stack.length > 0 ) {
if ( current[1] >= current[0].length ) {
stack.pop();
current = stack[ stack.length - 1 ];
continue;
}
var item = current[0][current[1]];
var $item = current[0].eq( current[1] );
if ( item.nodeType === 3 ) {
if ( item === DOMnode ) {
offset += DOMoffset;
break;
} else {
offset += item.textContent.length;
}
} else if ( item.nodeType === 1 ) {
if ( $( item ).hasClass( 've-ce-leafNode' ) ) {
offset += 2;
} else {
if ( item === DOMnode ) {
offset += DOMoffset;
break;
}
stack.push( [$item.contents(), 0] );
current[1]++;
current = stack[stack.length-1];
continue;
}
}
current[1]++;
}
var branchModel = $branch.data( 'node' ).getModel();
var branchOffset = branchModel.getRoot().getOffsetFromNode( branchModel );
return offset + 1 + branchOffset;
} else if ( DOMnode.nodeType === 1 ) {
if ( DOMoffset === 0 ) {
throw new "Not implemented";
} else {
var $node = $( DOMnode ).contents().eq( DOMoffset - 1 );
var nodeModel = $node.data( 'node' ).getModel();
var nodeOffset = nodeModel.getRoot().getOffsetFromNode( nodeModel );
return nodeOffset + nodeModel.getOuterLength();
}
} else {
throw new "Not implemented";
}
};
/**
* @method
* @param elem {DOM Element} DOM Element
* @returns {jQuery} jQuery element
*/
ve.ce.Surface.getBranchNode = function( elem ) {
var $branch = $( elem ).closest( '.ve-ce-branchNode' );
return $branch.length ? $branch : null;
};
/**
* @method
* @param offset {Integer} Linear model offset
*/
ve.ce.Surface.prototype.getDOMNodeAndOffset = function( offset ) {
var $node = this.documentView.documentNode.getNodeFromOffset( offset ).$.closest( '.ve-ce-branchNode' ),
startOffset = this.documentView.documentNode.getOffsetFromNode( $node.data( 'node' ) ) + 1,
current = [$node.contents(), 0],
stack = [current];
while ( stack.length > 0 ) {
if ( current[1] >= current[0].length ) {
stack.pop();
current = stack[ stack.length - 1 ];
continue;
}
var item = current[0][current[1]],
$item = current[0].eq( current[1] );
if ( item.nodeType === 3 ) {
var length = item.textContent.length;
if ( offset >= startOffset && offset <= startOffset + length ) {
console.log("Success 1");
return { node: item, offset: offset - startOffset };
} else {
startOffset += length;
}
} else if ( item.nodeType === 1 ) {
if ( $item.hasClass('ve-ce-slug') ) {
return { node: $item[0], offset: 1 };
} else if ( $item.is( '.ve-ce-branchNode, .ve-ce-leafNode' ) ) {
var length = $item.data( 'node' ).model.getOuterLength();
if ( offset >= startOffset && offset < startOffset + length ) {
stack.push( [$item.contents(), 0] );
current[1]++;
current = stack[stack.length-1];
continue;
} else {
startOffset += length;
}
} else {
stack.push( [$item.contents(), 0] );
current[1]++;
current = stack[stack.length-1];
continue;
}
}
current[1]++;
}
throw new 'Shouldn\'t happen';
return;
var $node = this.documentView.documentNode.getNodeFromOffset( offset ).$.closest('.ve-ce-branchNode'),
nodeOffset = this.documentView.documentNode.getOffsetFromNode( $node.data('node') ) + 1,
current = [$node.contents(), 0],
stack = [current],
localNode,
localOffset;
console.log($node);
return;
while ( stack.length > 0 ) {
if ( current[1] >= current[0].length ) {
stack.pop();
current = stack[ stack.length - 1 ];
continue;
}
var item = current[0][current[1]],
$item = current[0].eq( current[1] );
console.log(nodeOffset, $item);
if ( item.nodeType === 3 ) {
var length = item.textContent.length;
if ( offset >= nodeOffset && offset <= nodeOffset + length ) {
return {
node: item,
offset: offset - nodeOffset
};
} else {
nodeOffset += length;
}
} else if ( item.nodeType === 1 ) {
if ( $( item ).is('.ve-ce-alienBlockNode, .ve-ce-alienInlineNode, .ve-ce-imageNode') ) {
nodeOffset += 2;
} else if ( $( item ).hasClass('ve-ce-slug') ) {
if (nodeOffset == offset) {
return {
node: item,
offset: 1
};
}
} else {
console.log(this.documentView.model.data);
if ( ve.dm.Document.isStructuralOffset( this.documentView.model.data, nodeOffset) ) {
console.log("EVER?");
nodeOffset++;
}
stack.push( [$item.contents(), 0] );
current[1]++;
current = stack[stack.length-1];
continue;
}
}
current[1]++;
}
return null;
};
/**
* @method
*/
ve.ce.Surface.prototype.showCursor = function( offset ) {
this.showSelection( new ve.Range( offset ) );
};
/**
* @method
*/
ve.ce.Surface.prototype.showSelection = function( range ) {
var start = this.getDOMNodeAndOffset( range.start ),
stop = this.getDOMNodeAndOffset( range.end ),
rangySel = rangy.getSelection(),
rangyRange = rangy.createRange();
rangyRange.setStart( start.node, start.offset );
rangyRange.setEnd( stop.node, stop.offset );
rangySel.setSingleRange( rangyRange, range.start !== range.from );
};
/**
* @method
* @returns {ve.Range} Current selection range
*/
ve.ce.Surface.prototype.getSelectionRange = function() {
var rangySel = rangy.getSelection();
if ( rangySel.isCollapsed ) {
var offset = this.getOffset( rangySel.anchorNode, rangySel.anchorOffset, true );
return new ve.Range( offset, offset );
} else {
return new ve.Range(
this.getOffset( rangySel.anchorNode, rangySel.anchorOffset, true ),
this.getOffset( rangySel.focusNode, rangySel.focusOffset, true )
);
}
};
/**
* @method
*/
ve.ce.Surface.prototype.getSelectionRect = function() {
var rangySel = rangy.getSelection();
return {
start: rangySel.getStartDocumentPos(),
end: rangySel.getEndDocumentPos()
};
};
/* Inheritance */
ve.extendClass( ve.ce.Surface, ve.EventEmitter );