initial checkin from subversion

2017-02-07 20:13:14 +00:00
commit e8fa4b7ae6
80 changed files with 3318 additions and 0 deletions
--- a/nodeRel.js
+++ b/nodeRel.js
@@ -0,0 +1,163 @@
+function nodeRel(PKey, parentNode, childNode, relationType) {
+	// private vars
+	var m_PKey=PKey;
+	var m_parentNode=parentNode;
+	var m_childNode=childNode;
+	var m_displayDom=document.createElement("div");
+	var m_pointsContainer=null; // this is required for deletion, to delete all points one after the other didn't work.
+	var m_relationType=(relationType==null)?"main":relationType;
+	var m_parentX=0;
+	var m_parentY=0;
+	var m_childX=0;
+	var m_childY=0;
+	var m_styleClass="defaultPoint";
+	var m_contextMenu=null;
+
+	// properties
+	function getPKey() { return(m_PKey); }
+	function getParentNode() { return(m_parentNode); }
+	function setParentNode(nodeObject) { m_parentNode=nodeObject; }
+	function getChildNode() { return(m_childNode); }
+	function setChildNode(nodeObject) { m_childNode=nodeObject; }
+	function getRelationType() { return(m_relationType); }
+	function isMain() { return(m_relationType=="main"); }
+
+	if (arguments.length >= 1) {
+		return(construct());	
+	} else {
+		this.fromXML=fromXML;
+		return(this);
+	}
+
+	function construct() {
+		m_displayDom.setAttribute("id","mmNodeRel_" + m_PKey);
+		m_displayDom.appendChild(createPointsContainer());
+		m_styleClass=(m_relationType=="main")?"defaultPoint":"freePoint";
+		
+		// exported functions
+		m_displayDom.debugOut=debugOut;	
+		m_displayDom.getPKey=getPKey;
+		m_displayDom.getParentNode=getParentNode;
+		m_displayDom.setParentNode=setParentNode;
+		m_displayDom.getChildNode=getChildNode;
+		m_displayDom.setChildNode=setChildNode;
+		m_displayDom.redraw=redraw;
+		m_displayDom.erase=erase;
+		m_displayDom.show=show;
+		m_displayDom.hide=hide;
+		m_displayDom.isMain=isMain;
+
+		m_displayDom.toXML=toXML;
+		m_displayDom.fromXML=fromXML;
+
+		document.getElementById("nodeRels").appendChild(m_displayDom);
+
+		return(m_displayDom);
+	}
+	function show(){
+		m_displayDom.style.display="block";
+	}
+	function hide(){
+		m_displayDom.style.display="none";
+	}
+	function createPointsContainer(){
+		m_pointsContainer=document.createElement("div");
+		m_pointsContainer.setAttribute("id","mmPointsContainer_" + m_PKey);
+		m_pointsContainer.onclick=onPointsContainerClick;
+	//	m_pointsContainer.oncontextmenu=onPointsContainerRightClick;
+		return(m_pointsContainer);
+	}
+	function onPointsContainerClick(event){
+		if (m_contextMenu==null) {
+			var menuItems = new Array();
+			menuItems[0]=new menuItem(document.createTextNode("Delete Relation"),erase);
+			m_contextMenu=new menuControl(menuItems,1);
+			m_pointsContainer.appendChild(m_contextMenu);
+			document.addSubscriber(m_contextMenu.hide,"clicked");
+
+		} else {
+			m_contextMenu.toggleVisible();
+		}
+		m_contextMenu.style.top=(event.clientY + window.scrollY) + "px";
+		m_contextMenu.style.left=(event.clientX + window.scrollX) + "px";
+		return(false);
+	}
+	function debugOut() {
+		var output=("\nPKey: _"+ m_PKey + "_\np/c PKeys:_" + m_parentNode.getPKey() + "/"+ m_childNode.getPKey() +"_ (" + m_relationType + ")" );
+		return(output);
+	}     
+	function redraw() {
+		var parentEle=getParentNode();
+		var childEle=getChildNode();
+
+		var parentX=parentEle.offsetLeft + (parentEle.offsetWidth/2);
+		var parentY=parentEle.offsetTop + (parentEle.offsetHeight/2);
+
+		var childX=childEle.offsetLeft + (childEle.offsetWidth/2);
+		var childY=childEle.offsetTop + (childEle.offsetHeight/2);
+
+		// performance: only redraw the line if the corrdinates changed. and both nodes are visible
+		if ( ((m_parentX!=parentX) || (m_parentY!=parentY) || (m_childX!=childX) || (m_childY!=childY))
+			&& (childEle.style.display != "none") && (parentEle.style.display != "none")) {
+
+			eraseLine();
+			drawLine(parentX,parentY,childX,childY,m_styleClass,m_pointsContainer);
+			m_parentX=parentX;
+			m_parentY=parentY;
+			m_childX=childX;
+			m_childY=childY;
+		}
+	}
+	function eraseLine() {
+		m_displayDom.removeChild(m_pointsContainer);
+		m_pointsContainer=createPointsContainer();
+		m_displayDom.appendChild(m_pointsContainer);
+	}
+	function erase() {
+		if (isMain()) {
+			// new rootnode by deleting main relation.
+			rootNode[rootNode.length]=getChildNode();
+		}		
+
+		getChildNode().deleteNodeRelation(m_displayDom);
+		getParentNode().deleteNodeRelation(m_displayDom);
+
+		m_displayDom.parentNode.removeChild(m_displayDom);
+	}
+        function toXML(){
+                var xmlEle=document.createElement('NODEREL');
+                xmlEle.setAttribute("pkey",m_PKey);
+                xmlEle.setAttribute("parentnodepkey",m_parentNode.getPKey());
+                xmlEle.setAttribute("childnodepkey",m_childNode.getPKey());
+                xmlEle.setAttribute("relationtype",m_relationType);
+		// including child nodes if this is the main relation
+		if (isMain()) { 
+			xmlEle.appendChild(m_childNode.toXML());
+		}
+                return(xmlEle);
+        }
+        function fromXML(inXML){
+		m_PKey=inXML.getAttribute("pkey");
+		m_relationType=inXML.getAttribute("relationtype");
+		if (m_relationType == "") { m_relationType="main"; }
+		m_displayDom.setAttribute("id","mmNodeRel_" + m_PKey);
+
+		var parentNodePKey=inXML.getAttribute("parentnodepkey");
+		var childNodePKey=inXML.getAttribute("childnodepkey");
+		m_parentNode=document.getElementById("mmNode_" + parentNodePKey);
+
+		if (inXML.childNodes.length > 0){
+			// Main-Relation
+			m_childNode=new node().fromXML(inXML.firstChild);
+		} else {
+			// free links don't create nodes
+			m_childNode=document.getElementById("mmNode_" + childNodePKey);
+			if (m_childNode==null) { alert("Error: Assertion failed,\ncan't backlink NodePKey _ " + childNodePKey + "_"); }
+		}
+		m_childNode.addNodeRelation(m_displayDom);
+		m_parentNode.addNodeRelation(m_displayDom);
+
+		return(construct());
+        }
+}
+