/*
+ * Based on:
+ * Ext JS Library 1.1.1
+ * Copyright(c) 2006-2007, Ext JS, LLC.
+ *
+ * Originally Released Under LGPL - original licence link has changed is not relivant.
+ *
+ * Fork - LGPL
+ * <script type="text/javascript">
+ */
+/**
+ * @class Roo.BorderLayout
+ * @extends Roo.LayoutManager
+ * This class represents a common layout manager used in desktop applications. For screenshots and more details,
+ * please see: <br><br>
+ * <a href="http://www.jackslocum.com/yui/2006/10/19/cross-browser-web-20-layouts-with-yahoo-ui/">Cross Browser Layouts - Part 1</a><br>
+ * <a href="http://www.jackslocum.com/yui/2006/10/28/cross-browser-web-20-layouts-part-2-ajax-feed-viewer-20/">Cross Browser Layouts - Part 2</a><br><br>
+ * Example:
+ <pre><code>
+ var layout = new Roo.BorderLayout(document.body, {
+ north: {
+ initialSize: 25,
+ titlebar: false
+ },
+ west: {
+ split:true,
+ initialSize: 200,
+ minSize: 175,
+ maxSize: 400,
+ titlebar: true,
+ collapsible: true
+ },
+ east: {
+ split:true,
+ initialSize: 202,
+ minSize: 175,
+ maxSize: 400,
+ titlebar: true,
+ collapsible: true
+ },
+ south: {
+ split:true,
+ initialSize: 100,
+ minSize: 100,
+ maxSize: 200,
+ titlebar: true,
+ collapsible: true
+ },
+ center: {
+ titlebar: true,
+ autoScroll:true,
+ resizeTabs: true,
+ minTabWidth: 50,
+ preferredTabWidth: 150
+ }
+});
+
+// shorthand
+var CP = Roo.ContentPanel;
+
+layout.beginUpdate();
+layout.add("north", new CP("north", "North"));
+layout.add("south", new CP("south", {title: "South", closable: true}));
+layout.add("west", new CP("west", {title: "West"}));
+layout.add("east", new CP("autoTabs", {title: "Auto Tabs", closable: true}));
+layout.add("center", new CP("center1", {title: "Close Me", closable: true}));
+layout.add("center", new CP("center2", {title: "Center Panel", closable: false}));
+layout.getRegion("center").showPanel("center1");
+layout.endUpdate();
+</code></pre>
+
+<b>The container the layout is rendered into can be either the body element or any other element.
+If it is not the body element, the container needs to either be an absolute positioned element,
+or you will need to add "position:relative" to the css of the container. You will also need to specify
+the container size if it is not the body element.</b>
+
+* @constructor
+* Create a new BorderLayout
+* @param {String/HTMLElement/Element} container The container this layout is bound to
+* @param {Object} config Configuration options
+ */
+Roo.BorderLayout = function(container, config){
+ config = config || {};
+ Roo.BorderLayout.superclass.constructor.call(this, container, config);
+ this.factory = config.factory || Roo.BorderLayout.RegionFactory;
+ for(var i = 0, len = this.factory.validRegions.length; i < len; i++) {
+ var target = this.factory.validRegions[i];
+ if(config[target]){
+ this.addRegion(target, config[target]);
+ }
+ }
+};
+
+Roo.extend(Roo.BorderLayout, Roo.LayoutManager, {
+ /**
+ * Creates and adds a new region if it doesn't already exist.
+ * @param {String} target The target region key (north, south, east, west or center).
+ * @param {Object} config The regions config object
+ * @return {BorderLayoutRegion} The new region
+ */
+ addRegion : function(target, config){
+ if(!this.regions[target]){
+ var r = this.factory.create(target, this, config);
+ this.bindRegion(target, r);
+ }
+ return this.regions[target];
+ },
+
+ // private (kinda)
+ bindRegion : function(name, r){
+ this.regions[name] = r;
+ r.on("visibilitychange", this.layout, this);
+ r.on("paneladded", this.layout, this);
+ r.on("panelremoved", this.layout, this);
+ r.on("invalidated", this.layout, this);
+ r.on("resized", this.onRegionResized, this);
+ r.on("collapsed", this.onRegionCollapsed, this);
+ r.on("expanded", this.onRegionExpanded, this);
+ },
+
+ /**
+ * Performs a layout update.
+ */
+ layout : function(){
+ if(this.updating) {
+ return;
+ }
+ var size = this.getViewSize();
+ var w = size.width;
+ var h = size.height;
+ var centerW = w;
+ var centerH = h;
+ var centerY = 0;
+ var centerX = 0;
+ //var x = 0, y = 0;
+
+ var rs = this.regions;
+ var north = rs["north"];
+ var south = rs["south"];
+ var west = rs["west"];
+ var east = rs["east"];
+ var center = rs["center"];
+ //if(this.hideOnLayout){ // not supported anymore
+ //c.el.setStyle("display", "none");
+ //}
+ if(north && north.isVisible()){
+ var b = north.getBox();
+ var m = north.getMargins();
+ b.width = w - (m.left+m.right);
+ b.x = m.left;
+ b.y = m.top;
+ centerY = b.height + b.y + m.bottom;
+ centerH -= centerY;
+ north.updateBox(this.safeBox(b));
+ }
+ if(south && south.isVisible()){
+ var b = south.getBox();
+ var m = south.getMargins();
+ b.width = w - (m.left+m.right);
+ b.x = m.left;
+ var totalHeight = (b.height + m.top + m.bottom);
+ b.y = h - totalHeight + m.top;
+ centerH -= totalHeight;
+ south.updateBox(this.safeBox(b));
+ }
+ if(west && west.isVisible()){
+ var b = west.getBox();
+ var m = west.getMargins();
+ b.height = centerH - (m.top+m.bottom);
+ b.x = m.left;
+ b.y = centerY + m.top;
+ var totalWidth = (b.width + m.left + m.right);
+ centerX += totalWidth;
+ centerW -= totalWidth;
+ west.updateBox(this.safeBox(b));
+ }
+ if(east && east.isVisible()){
+ var b = east.getBox();
+ var m = east.getMargins();
+ b.height = centerH - (m.top+m.bottom);
+ var totalWidth = (b.width + m.left + m.right);
+ b.x = w - totalWidth + m.left;
+ b.y = centerY + m.top;
+ centerW -= totalWidth;
+ east.updateBox(this.safeBox(b));
+ }
+ if(center){
+ var m = center.getMargins();
+ var centerBox = {
+ x: centerX + m.left,
+ y: centerY + m.top,
+ width: centerW - (m.left+m.right),
+ height: centerH - (m.top+m.bottom)
+ };
+ //if(this.hideOnLayout){
+ //center.el.setStyle("display", "block");
+ //}
+ center.updateBox(this.safeBox(centerBox));
+ }
+ this.el.repaint();
+ this.fireEvent("layout", this);
+ },
+
+ // private
+ safeBox : function(box){
+ box.width = Math.max(0, box.width);
+ box.height = Math.max(0, box.height);
+ return box;
+ },
+
+ /**
+ * Adds a ContentPanel (or subclass) to this layout.
+ * @param {String} target The target region key (north, south, east, west or center).
+ * @param {Roo.ContentPanel} panel The panel to add
+ * @return {Roo.ContentPanel} The added panel
+ */
+ add : function(target, panel){
+
+ target = target.toLowerCase();
+ return this.regions[target].add(panel);
+ },
+
+ /**
+ * Remove a ContentPanel (or subclass) to this layout.
+ * @param {String} target The target region key (north, south, east, west or center).
+ * @param {Number/String/Roo.ContentPanel} panel The index, id or panel to remove
+ * @return {Roo.ContentPanel} The removed panel
+ */
+ remove : function(target, panel){
+ target = target.toLowerCase();
+ return this.regions[target].remove(panel);
+ },
+
+ /**
+ * Searches all regions for a panel with the specified id
+ * @param {String} panelId
+ * @return {Roo.ContentPanel} The panel or null if it wasn't found
+ */
+ findPanel : function(panelId){
+ var rs = this.regions;
+ for(var target in rs){
+ if(typeof rs[target] != "function"){
+ var p = rs[target].getPanel(panelId);
+ if(p){
+ return p;
+ }
+ }
+ }
+ return null;
+ },
+
+ /**
+ * Searches all regions for a panel with the specified id and activates (shows) it.
+ * @param {String/ContentPanel} panelId The panels id or the panel itself
+ * @return {Roo.ContentPanel} The shown panel or null
+ */
+ showPanel : function(panelId) {
+ var rs = this.regions;
+ for(var target in rs){
+ var r = rs[target];
+ if(typeof r != "function"){
+ if(r.hasPanel(panelId)){
+ return r.showPanel(panelId);
+ }
+ }
+ }
+ return null;
+ },
+
+ /**
+ * Restores this layout's state using Roo.state.Manager or the state provided by the passed provider.
+ * @param {Roo.state.Provider} provider (optional) An alternate state provider
+ */
+ restoreState : function(provider){
+ if(!provider){
+ provider = Roo.state.Manager;
+ }
+ var sm = new Roo.LayoutStateManager();
+ sm.init(this, provider);
+ },
+
+ /**
+ * Adds a batch of multiple ContentPanels dynamically by passing a special regions config object. This config
+ * object should contain properties for each region to add ContentPanels to, and each property's value should be
+ * a valid ContentPanel config object. Example:
+ * <pre><code>
+// Create the main layout
+var layout = new Roo.BorderLayout('main-ct', {
+ west: {
+ split:true,
+ minSize: 175,
+ titlebar: true
+ },
+ center: {
+ title:'Components'
+ }
+}, 'main-ct');
+
+// Create and add multiple ContentPanels at once via configs
+layout.batchAdd({
+ west: {
+ id: 'source-files',
+ autoCreate:true,
+ title:'Ext Source Files',
+ autoScroll:true,
+ fitToFrame:true
+ },
+ center : {
+ el: cview,
+ autoScroll:true,
+ fitToFrame:true,
+ toolbar: tb,
+ resizeEl:'cbody'
+ }
+});
+</code></pre>
+ * @param {Object} regions An object containing ContentPanel configs by region name
+ */
+ batchAdd : function(regions){
+ this.beginUpdate();
+ for(var rname in regions){
+ var lr = this.regions[rname];
+ if(lr){
+ this.addTypedPanels(lr, regions[rname]);
+ }
+ }
+ this.endUpdate();
+ },
+
+ // private
+ addTypedPanels : function(lr, ps){
+ if(typeof ps == 'string'){
+ lr.add(new Roo.ContentPanel(ps));
+ }
+ else if(ps instanceof Array){
+ for(var i =0, len = ps.length; i < len; i++){
+ this.addTypedPanels(lr, ps[i]);
+ }
+ }
+ else if(!ps.events){ // raw config?
+ var el = ps.el;
+ delete ps.el; // prevent conflict
+ lr.add(new Roo.ContentPanel(el || Roo.id(), ps));
+ }
+ else { // panel object assumed!
+ lr.add(ps);
+ }
+ },
+ /**
+ * Adds a xtype elements to the layout.
+ * <pre><code>
+
+layout.addxtype({
+ xtype : 'ContentPanel',
+ region: 'west',
+ items: [ .... ]
+ }
+);
+
+layout.addxtype({
+ xtype : 'NestedLayoutPanel',
+ region: 'west',
+ layout: {
+ center: { },
+ west: { }
+ },
+ items : [ ... list of content panels or nested layout panels.. ]
+ }
+);
+</code></pre>
+ * @param {Object} cfg Xtype definition of item to add.
+ */
+ addxtype : function(cfg)
+ {
+ // basically accepts a pannel...
+ // can accept a layout region..!?!?
+ //Roo.log('Roo.BorderLayout add ' + cfg.xtype)
+
+ if (!cfg.xtype.match(/Panel$/)) {
+ return false;
+ }
+ var ret = false;
+
+ if (typeof(cfg.region) == 'undefined') {
+ Roo.log("Failed to add Panel, region was not set");
+ Roo.log(cfg);
+ return false;
+ }
+ var region = cfg.region;
+ delete cfg.region;
+
+
+ var xitems = [];
+ if (cfg.items) {
+ xitems = cfg.items;
+ delete cfg.items;
+ }
+ var nb = false;
+
+ switch(cfg.xtype)
+ {
+ case 'ContentPanel': // ContentPanel (el, cfg)
+ case 'ScrollPanel': // ContentPanel (el, cfg)
+ case 'ViewPanel':
+ if(cfg.autoCreate) {
+ ret = new Roo[cfg.xtype](cfg); // new panel!!!!!
+ } else {
+ var el = this.el.createChild();
+ ret = new Roo[cfg.xtype](el, cfg); // new panel!!!!!
+ }
+
+ this.add(region, ret);
+ break;
+
+
+ case 'TreePanel': // our new panel!
+ cfg.el = this.el.createChild();
+ ret = new Roo[cfg.xtype](cfg); // new panel!!!!!
+ this.add(region, ret);
+ break;
+
+ case 'NestedLayoutPanel':
+ // create a new Layout (which is a Border Layout...
+ var el = this.el.createChild();
+ var clayout = cfg.layout;
+ delete cfg.layout;
+ clayout.items = clayout.items || [];
+ // replace this exitems with the clayout ones..
+ xitems = clayout.items;
+
+
+ if (region == 'center' && this.active && this.getRegion('center').panels.length < 1) {
+ cfg.background = false;
+ }
+ var layout = new Roo.BorderLayout(el, clayout);
+
+ ret = new Roo[cfg.xtype](layout, cfg); // new panel!!!!!
+ //console.log('adding nested layout panel ' + cfg.toSource());
+ this.add(region, ret);
+ nb = {}; /// find first...
+ break;
+
+ case 'GridPanel':
+
+ // needs grid and region
+
+ //var el = this.getRegion(region).el.createChild();
+ var el = this.el.createChild();
+ // create the grid first...
+
+ var grid = new Roo.grid[cfg.grid.xtype](el, cfg.grid);
+ delete cfg.grid;
+ if (region == 'center' && this.active ) {
+ cfg.background = false;
+ }
+ ret = new Roo[cfg.xtype](grid, cfg); // new panel!!!!!
+
+ this.add(region, ret);
+ if (cfg.background) {
+ ret.on('activate', function(gp) {
+ if (!gp.grid.rendered) {
+ gp.grid.render();
+ }
+ });
+ } else {
+ grid.render();
+ }
+ break;
+
+
+
+
+
+
+ default:
+ if (typeof(Roo[cfg.xtype]) != 'undefined') {
+
+ ret = new Roo[cfg.xtype](cfg); // new panel!!!!!
+ this.add(region, ret);
+ } else {
+
+ alert("Can not add '" + cfg.xtype + "' to BorderLayout");
+ return null;
+ }
+
+ // GridPanel (grid, cfg)
+
+ }
+ this.beginUpdate();
+ // add children..
+ var region = '';
+ var abn = {};
+ Roo.each(xitems, function(i) {
+ region = nb && i.region ? i.region : false;
+
+ var add = ret.addxtype(i);
+
+ if (region) {
+ nb[region] = nb[region] == undefined ? 0 : nb[region]+1;
+ if (!i.background) {
+ abn[region] = nb[region] ;
+ }
+ }
+
+ });
+ this.endUpdate();
+
+ // make the last non-background panel active..
+ //if (nb) { Roo.log(abn); }
+ if (nb) {
+
+ for(var r in abn) {
+ region = this.getRegion(r);
+ if (region) {
+ // tried using nb[r], but it does not work..
+
+ region.showPanel(abn[r]);
+
+ }
+ }
+ }
+ return ret;
+
+ }
+});
+
+/**
+ * Shortcut for creating a new BorderLayout object and adding one or more ContentPanels to it in a single step, handling
+ * the beginUpdate and endUpdate calls internally. The key to this method is the <b>panels</b> property that can be
+ * provided with each region config, which allows you to add ContentPanel configs in addition to the region configs
+ * during creation. The following code is equivalent to the constructor-based example at the beginning of this class:
+ * <pre><code>
+// shorthand
+var CP = Roo.ContentPanel;
+
+var layout = Roo.BorderLayout.create({
+ north: {
+ initialSize: 25,
+ titlebar: false,
+ panels: [new CP("north", "North")]
+ },
+ west: {
+ split:true,
+ initialSize: 200,
+ minSize: 175,
+ maxSize: 400,
+ titlebar: true,
+ collapsible: true,
+ panels: [new CP("west", {title: "West"})]
+ },
+ east: {
+ split:true,
+ initialSize: 202,
+ minSize: 175,
+ maxSize: 400,
+ titlebar: true,
+ collapsible: true,
+ panels: [new CP("autoTabs", {title: "Auto Tabs", closable: true})]
+ },
+ south: {
+ split:true,
+ initialSize: 100,
+ minSize: 100,
+ maxSize: 200,
+ titlebar: true,
+ collapsible: true,
+ panels: [new CP("south", {title: "South", closable: true})]
+ },
+ center: {
+ titlebar: true,
+ autoScroll:true,
+ resizeTabs: true,
+ minTabWidth: 50,
+ preferredTabWidth: 150,
+ panels: [
+ new CP("center1", {title: "Close Me", closable: true}),
+ new CP("center2", {title: "Center Panel", closable: false})
+ ]
+ }
+}, document.body);
+
+layout.getRegion("center").showPanel("center1");
+</code></pre>
+ * @param config
+ * @param targetEl
+ */
+Roo.BorderLayout.create = function(config, targetEl){
+ var layout = new Roo.BorderLayout(targetEl || document.body, config);
+ layout.beginUpdate();
+ var regions = Roo.BorderLayout.RegionFactory.validRegions;
+ for(var j = 0, jlen = regions.length; j < jlen; j++){
+ var lr = regions[j];
+ if(layout.regions[lr] && config[lr].panels){
+ var r = layout.regions[lr];
+ var ps = config[lr].panels;
+ layout.addTypedPanels(r, ps);
+ }
+ }
+ layout.endUpdate();
+ return layout;
+};
+
+// private
+Roo.BorderLayout.RegionFactory = {
+ // private
+ validRegions : ["north","south","east","west","center"],
+
+ // private
+ create : function(target, mgr, config){
+ target = target.toLowerCase();
+ if(config.lightweight || config.basic){
+ return new Roo.BasicLayoutRegion(mgr, config, target);
+ }
+ switch(target){
+ case "north":
+ return new Roo.NorthLayoutRegion(mgr, config);
+ case "south":
+ return new Roo.SouthLayoutRegion(mgr, config);
+ case "east":
+ return new Roo.EastLayoutRegion(mgr, config);
+ case "west":
+ return new Roo.WestLayoutRegion(mgr, config);
+ case "center":
+ return new Roo.CenterLayoutRegion(mgr, config);
+ }
+ throw 'Layout region "'+target+'" not supported.';
+ }
+};
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