New feature: basic Ajax suggestion for tags and implementation of Dojo toolkit

git-svn-id: https://semanticscuttle.svn.sourceforge.net/svnroot/semanticscuttle/trunk@151 b3834d28-1941-0410-a4f8-b48e95affb8f

1 files changed, 113 insertions, 0 deletions

diff --git a/includes/js/dojox/grid/_grid/drag.js b/includes/js/dojox/grid/_grid/drag.js
new file mode 100644
index 0000000..df086f9
--- /dev/null
+++ b/includes/js/dojox/grid/_grid/drag.js
@@ -0,0 +1,113 @@
+if(!dojo._hasResource["dojox.grid._grid.drag"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojox.grid._grid.drag"] = true;
+dojo.provide("dojox.grid._grid.drag");
+
+// summary:
+//	utility functions for dragging as used in grid.
+// begin closure
+(function(){
+
+var dgdrag = dojox.grid.drag = {};
+
+dgdrag.dragging = false;
+dgdrag.hysteresis = 2;
+
+dgdrag.capture = function(inElement) {
+	//console.debug('dojox.grid.drag.capture');
+	if (inElement.setCapture)
+		inElement.setCapture();
+	else {
+		document.addEventListener("mousemove", inElement.onmousemove, true);
+		document.addEventListener("mouseup", inElement.onmouseup, true);
+		document.addEventListener("click", inElement.onclick, true);
+	}
+}
+
+dgdrag.release = function(inElement) {
+	//console.debug('dojox.grid.drag.release');
+	if(inElement.releaseCapture){
+		inElement.releaseCapture();
+	}else{
+		document.removeEventListener("click", inElement.onclick, true);
+		document.removeEventListener("mouseup", inElement.onmouseup, true);
+		document.removeEventListener("mousemove", inElement.onmousemove, true);
+	}
+}
+
+dgdrag.start = function(inElement, inOnDrag, inOnEnd, inEvent, inOnStart){
+	if(/*dgdrag.elt ||*/ !inElement || dgdrag.dragging){
+		console.debug('failed to start drag: bad input node or already dragging');
+		return;
+	}
+	dgdrag.dragging = true;
+	dgdrag.elt = inElement;
+	dgdrag.events = {
+		drag: inOnDrag || dojox.grid.nop, 
+		end: inOnEnd || dojox.grid.nop, 
+		start: inOnStart || dojox.grid.nop, 
+		oldmove: inElement.onmousemove, 
+		oldup: inElement.onmouseup, 
+		oldclick: inElement.onclick 
+	};
+	dgdrag.positionX = (inEvent && ('screenX' in inEvent) ? inEvent.screenX : false);
+	dgdrag.positionY = (inEvent && ('screenY' in inEvent) ? inEvent.screenY : false);
+	dgdrag.started = (dgdrag.position === false);
+	inElement.onmousemove = dgdrag.mousemove;
+	inElement.onmouseup = dgdrag.mouseup;
+	inElement.onclick = dgdrag.click;
+	dgdrag.capture(dgdrag.elt);
+}
+
+dgdrag.end = function(){
+	//console.debug("dojox.grid.drag.end");
+	dgdrag.release(dgdrag.elt);
+	dgdrag.elt.onmousemove = dgdrag.events.oldmove;
+	dgdrag.elt.onmouseup = dgdrag.events.oldup;
+	dgdrag.elt.onclick = dgdrag.events.oldclick;
+	dgdrag.elt = null;
+	try{
+		if(dgdrag.started){
+			dgdrag.events.end();
+		}
+	}finally{
+		dgdrag.dragging = false;
+	}
+}
+
+dgdrag.calcDelta = function(inEvent){
+	inEvent.deltaX = inEvent.screenX - dgdrag.positionX;
+	inEvent.deltaY = inEvent.screenY - dgdrag.positionY;
+}
+
+dgdrag.hasMoved = function(inEvent){
+	return Math.abs(inEvent.deltaX) + Math.abs(inEvent.deltaY) > dgdrag.hysteresis;
+}
+
+dgdrag.mousemove = function(inEvent){
+	inEvent = dojo.fixEvent(inEvent);
+	dojo.stopEvent(inEvent);
+	dgdrag.calcDelta(inEvent);
+	if((!dgdrag.started)&&(dgdrag.hasMoved(inEvent))){
+		dgdrag.events.start(inEvent);
+		dgdrag.started = true;
+	}
+	if(dgdrag.started){
+		dgdrag.events.drag(inEvent);
+	}
+}
+
+dgdrag.mouseup = function(inEvent){
+	//console.debug("dojox.grid.drag.mouseup");
+	dojo.stopEvent(dojo.fixEvent(inEvent));
+	dgdrag.end();
+}
+
+dgdrag.click = function(inEvent){
+	dojo.stopEvent(dojo.fixEvent(inEvent));
+	//dgdrag.end();
+}
+
+})();
+// end closure
+
+}