From e44a7e37b6c7b5961adaffc62b9042b8d442938e Mon Sep 17 00:00:00 2001
From: mensonge <mensonge@b3834d28-1941-0410-a4f8-b48e95affb8f>
Date: Thu, 13 Nov 2008 09:49:11 +0000
Subject: 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
---
 includes/js/dojox/grid/_grid/views.js | 277 ++++++++++++++++++++++++++++++++++
 1 file changed, 277 insertions(+)
 create mode 100644 includes/js/dojox/grid/_grid/views.js

(limited to 'includes/js/dojox/grid/_grid/views.js')

diff --git a/includes/js/dojox/grid/_grid/views.js b/includes/js/dojox/grid/_grid/views.js
new file mode 100644
index 0000000..d13bbb7
--- /dev/null
+++ b/includes/js/dojox/grid/_grid/views.js
@@ -0,0 +1,277 @@
+if(!dojo._hasResource["dojox.grid._grid.views"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojox.grid._grid.views"] = true;
+dojo.provide("dojox.grid._grid.views");
+
+dojo.declare('dojox.grid.views', null, {
+	// summary:
+	//		A collection of grid views. Owned by grid and used internally for managing grid views.
+	// description:
+	//		Grid creates views automatically based on grid's layout structure.
+	//		Users should typically not need to access individual views or the views collection directly.
+	constructor: function(inGrid){
+		this.grid = inGrid;
+	},
+
+	defaultWidth: 200,
+
+	views: [],
+
+	// operations
+	resize: function(){
+		this.onEach("resize");
+	},
+
+	render: function(){
+		this.onEach("render");
+	},
+
+	// views
+	addView: function(inView){
+		inView.idx = this.views.length;
+		this.views.push(inView);
+	},
+
+	destroyViews: function(){
+		for (var i=0, v; v=this.views[i]; i++)
+			v.destroy();
+		this.views = [];
+	},
+
+	getContentNodes: function(){
+		var nodes = [];
+		for(var i=0, v; v=this.views[i]; i++){
+			nodes.push(v.contentNode);
+		}
+		return nodes;
+	},
+
+	forEach: function(inCallback){
+		for(var i=0, v; v=this.views[i]; i++){
+			inCallback(v, i);
+		}
+	},
+
+	onEach: function(inMethod, inArgs){
+		inArgs = inArgs || [];
+		for(var i=0, v; v=this.views[i]; i++){
+			if(inMethod in v){
+				v[inMethod].apply(v, inArgs);
+			}
+		}
+	},
+
+	// layout
+	normalizeHeaderNodeHeight: function(){
+		var rowNodes = [];
+		for(var i=0, v; (v=this.views[i]); i++){
+			if(v.headerContentNode.firstChild){
+				rowNodes.push(v.headerContentNode)
+			};
+		}
+		this.normalizeRowNodeHeights(rowNodes);
+	},
+
+	normalizeRowNodeHeights: function(inRowNodes){
+		var h = 0; 
+		for(var i=0, n, o; (n=inRowNodes[i]); i++){
+			h = Math.max(h, (n.firstChild.clientHeight)||(n.firstChild.offsetHeight));
+		}
+		h = (h >= 0 ? h : 0);
+		//
+		var hpx = h + 'px';
+		for(var i=0, n; (n=inRowNodes[i]); i++){
+			if(n.firstChild.clientHeight!=h){
+				n.firstChild.style.height = hpx;
+			}
+		}
+		//
+		//console.log('normalizeRowNodeHeights ', h);
+		//
+		// querying the height here seems to help scroller measure the page on IE
+		if(inRowNodes&&inRowNodes[0]){
+			inRowNodes[0].parentNode.offsetHeight;
+		}
+	},
+	
+	resetHeaderNodeHeight: function(){
+		for(var i=0, v, n; (v=this.views[i]); i++){
+			n = v.headerContentNode.firstChild;
+			if(n)
+				n.style.height = "";
+		}
+	},
+
+	renormalizeRow: function(inRowIndex){
+		var rowNodes = [];
+		for(var i=0, v, n; (v=this.views[i])&&(n=v.getRowNode(inRowIndex)); i++){
+			n.firstChild.style.height = '';
+			rowNodes.push(n);
+		}
+		this.normalizeRowNodeHeights(rowNodes);
+	},
+
+	getViewWidth: function(inIndex){
+		return this.views[inIndex].getWidth() || this.defaultWidth;
+	},
+
+	// must be called after view widths are properly set or height can be miscalculated
+	// if there are flex columns
+	measureHeader: function(){
+		// need to reset view header heights so they are properly measured.
+		this.resetHeaderNodeHeight();
+		this.forEach(function(inView){
+			inView.headerContentNode.style.height = '';
+		});
+		var h = 0;
+		// calculate maximum view header height
+		this.forEach(function(inView){
+			h = Math.max(inView.headerNode.offsetHeight, h);
+		});
+		return h;
+	},
+
+	measureContent: function(){
+		var h = 0;
+		this.forEach(function(inView) {
+			h = Math.max(inView.domNode.offsetHeight, h);
+		});
+		return h;
+	},
+
+	findClient: function(inAutoWidth){
+		// try to use user defined client
+		var c = this.grid.elasticView || -1;
+		// attempt to find implicit client
+		if(c < 0){
+			for(var i=1, v; (v=this.views[i]); i++){
+				if(v.viewWidth){
+					for(i=1; (v=this.views[i]); i++){
+						if(!v.viewWidth){
+							c = i;
+							break;
+						}
+					}
+					break;
+				}
+			}
+		}
+		// client is in the middle by default
+		if(c < 0){
+			c = Math.floor(this.views.length / 2);
+		}
+		return c;
+	},
+
+	arrange: function(l, w){
+		var i, v, vw, len = this.views.length;
+		// find the client
+		var c = (w <= 0 ? len : this.findClient());
+		// layout views
+		var setPosition = function(v, l){
+			with(v.domNode.style){
+				if(!dojo._isBodyLtr()){
+					right = l + 'px';
+				}else{
+				 	left = l + 'px';
+				}
+				top = 0 + 'px';
+			}
+			with(v.headerNode.style){
+				if(!dojo._isBodyLtr()){
+					right = l + 'px';
+				}else{
+					left = l + 'px';
+				}
+				top = 0;
+			}
+		}
+		// for views left of the client
+		//BiDi TODO: The left and right should not appear in BIDI environment. Should be replaced with 
+		//leading and tailing concept.
+		for(i=0; (v=this.views[i])&&(i<c); i++){
+			// get width
+			vw = this.getViewWidth(i);
+			// process boxes
+			v.setSize(vw, 0);
+			setPosition(v, l);
+			vw = v.domNode.offsetWidth;
+			// update position
+			l += vw;
+		}
+		// next view (is the client, i++ == c) 
+		i++;
+		// start from the right edge
+		var r = w;
+		// for views right of the client (iterated from the right)
+		for(var j=len-1; (v=this.views[j])&&(i<=j); j--){
+			// get width
+			vw = this.getViewWidth(j);
+			// set size
+			v.setSize(vw, 0);
+			// measure in pixels
+			vw = v.domNode.offsetWidth;
+			// update position
+			r -= vw;
+			// set position
+			setPosition(v, r);
+		}
+		if(c<len){
+			v = this.views[c];
+			// position the client box between left and right boxes	
+			vw = Math.max(1, r-l);
+			// set size
+			v.setSize(vw + 'px', 0);
+			setPosition(v, l);
+		}
+		return l;
+	},
+
+	// rendering
+	renderRow: function(inRowIndex, inNodes){
+		var rowNodes = [];
+		for(var i=0, v, n, rowNode; (v=this.views[i])&&(n=inNodes[i]); i++){
+			rowNode = v.renderRow(inRowIndex);
+			n.appendChild(rowNode);
+			rowNodes.push(rowNode);
+		}
+		this.normalizeRowNodeHeights(rowNodes);
+	},
+	
+	rowRemoved: function(inRowIndex){
+		this.onEach("rowRemoved", [ inRowIndex ]);
+	},
+	
+	// updating
+	updateRow: function(inRowIndex, inHeight){
+		for(var i=0, v; v=this.views[i]; i++){
+			v.updateRow(inRowIndex, inHeight);
+		}
+		this.renormalizeRow(inRowIndex);
+	},
+	
+	updateRowStyles: function(inRowIndex){
+		this.onEach("updateRowStyles", [ inRowIndex ]);
+	},
+	
+	// scrolling
+	setScrollTop: function(inTop){
+		var top = inTop;
+		for(var i=0, v; v=this.views[i]; i++){
+			top = v.setScrollTop(inTop);
+		}
+		return top;
+		//this.onEach("setScrollTop", [ inTop ]);
+	},
+	
+	getFirstScrollingView: function(){
+		// summary: Returns the first grid view with a scroll bar 
+		for(var i=0, v; (v=this.views[i]); i++){
+			if(v.hasScrollbar()){
+				return v;
+			}
+		}
+	}
+	
+});
+
+}
-- 
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