https://www.mediawiki.org/wiki/Special:Code/MediaWiki/110904
Revision: 110904
Author: inez
Date: 2012-02-08 00:30:40 +0000 (Wed, 08 Feb 2012)
Log Message:
-----------
Implement: surfaceView.showCursorAt(int n)
Modified Paths:
--------------
trunk/extensions/VisualEditor/modules/ve/ce/ve.es.Surface.js
Modified: trunk/extensions/VisualEditor/modules/ve/ce/ve.es.Surface.js
===================================================================
--- trunk/extensions/VisualEditor/modules/ve/ce/ve.es.Surface.js
2012-02-08 00:26:18 UTC (rev 110903)
+++ trunk/extensions/VisualEditor/modules/ve/ce/ve.es.Surface.js
2012-02-08 00:30:40 UTC (rev 110904)
@@ -116,6 +116,54 @@
}
};
+
+ve.es.Surface.prototype.showCursorAt = function( offset ) {
+ var $node = this.documentView.getNodeFromOffset( offset ).$;
+ var current = [$node.contents(), 0];
+ var stack = [current];
+ var node;
+ var localOffset;
+
+ var index = 1 + this.documentView.getOffsetFromNode( $node.data('view')
);
+
+ 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 ) {
+ var length = item.textContent.length;
+ if ( offset >= index && offset <= index + length ) {
+ node = item;
+ localOffset = offset - index;
+ } else {
+ index += length;
+ }
+ } else if ( item.nodeType === 1 ) {
+ if ( $( item ).attr('contentEditable') === "false" ) {
+ index += 1;
+ } else {
+ stack.push( [$item.contents(), 0] );
+ current[1]++;
+ current = stack[stack.length-1];
+ continue;
+ }
+ }
+ current[1]++;
+ }
+ var range = document.createRange();
+ range.collapsed = true;
+ range.setStart(node, localOffset);
+
+ var sel = window.getSelection();
+ sel.removeAllRanges();
+ sel.addRange(range);
+};
+
/* Inheritance */
ve.extendClass( ve.es.Surface, ve.EventEmitter );
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