From 281ad45b5dc91881db6cf3bc8f393b91629318b3 Mon Sep 17 00:00:00 2001
From: Dietmar Maurer <dietmar@proxmox.com>
Date: Fri, 31 Mar 2017 10:19:53 +0200
Subject: [PATCH] add experimental CBind mixin

---
 Makefile       |   1 +
 mixin/CBind.js | 138 +++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 139 insertions(+)
 create mode 100644 mixin/CBind.js

diff --git a/Makefile b/Makefile
index b84c1f6..8677fe1 100644
--- a/Makefile
+++ b/Makefile
@@ -13,6 +13,7 @@ WWWBASEDIR=${DESTDIR}/usr/share/javascript/${PACKAGE}
 JSSRC=					\
 	Utils.js			\
 	Toolkit.js			\
+	mixin/CBind.js			\
 	data/reader/JsonObject.js	\
 	data/ProxmoxProxy.js		\
 	data/UpdateQueue.js		\
diff --git a/mixin/CBind.js b/mixin/CBind.js
new file mode 100644
index 0000000..2b69cca
--- /dev/null
+++ b/mixin/CBind.js
@@ -0,0 +1,138 @@
+Ext.define('Proxmox.Mixin.CBind', {
+    extend: 'Ext.Mixin',
+
+    mixinConfig: {
+        before: {
+            initComponent: 'cloneTemplates'
+        }
+    },
+
+    cloneTemplates: function() {
+	var me = this;
+	
+ 	if (typeof(me.cbindData) == "function") {
+	    me.cbindData = me.cbindData(me.initialConfig) || {};
+	}
+	
+	var getConfigValue = function(cname) {
+
+	    if (cname in me.initialConfig) {
+		return me.initialConfig[cname];
+	    }
+	    if (cname in me.cbindData) {
+		return me.cbindData[cname];
+	    }	    
+	    if (cname in me) {
+		return me[cname];
+	    }
+	    throw "unable to get cbind data for '" + cname + "'";
+	};
+	
+	var applyCBind = function(obj) {
+	    var cbind = obj.cbind, prop, cdata, cvalue, match, found;
+	    if (!cbind) return;
+
+	    for (prop in cbind) {
+		cdata = cbind[prop];
+
+		found = false;
+		if (match = /^\{(!)?([a-z_][a-z0-9_]*)\}$/.exec(cdata)) {
+		    var cvalue = getConfigValue(match[2]);
+		    if (match[1]) cvalue = !cvalue;
+		    obj[prop] = cvalue;
+		    found = true;
+		} else {
+		    obj[prop] = cdata.replace(/{([a-z_][a-z0-9_]*)\}/g, function(match, cname) {
+			var cvalue = getConfigValue(cname);
+			found = true;
+			return cvalue;
+		    });
+		}
+		if (!found) {
+		    throw "unable to parse cbind template '" + cdata + "'";
+		}
+
+	    }
+	};
+
+	if (me.cbind) {
+	    applyCBind(me);
+	}
+	
+	var cloneTemplateArray = function(org) {
+	    var copy, i, found, el, elcopy, arrayLength;
+
+	    arrayLength = org.length;
+	    found = false;
+	    for (i = 0; i < arrayLength; i++) {
+		el = org[i];
+		if (el.constructor == Object && el.xtype) {
+		    found = true;
+		    break;
+		}
+	    }
+
+	    if (!found) return org; // no need to copy
+
+	    copy = [];
+	    for (i = 0; i < arrayLength; i++) {
+		el = org[i];
+		if (el.constructor == Object && el.xtype) {
+		    elcopy = cloneTemplateObject(el);
+		    if (elcopy.cbind) {
+			applyCBind(elcopy);
+		    }
+		    copy.push(elcopy);
+		} else if (el.constructor == Object && el.xtype) {
+		    elcopy = cloneTemplateObject(el);
+		    if (elcopy.cbind) {
+			applyCBind(elcopy);
+		    }
+		    copy.push(elcopy);
+		} else {
+		    copy.push(el);
+		}
+	    }
+	    return copy;
+	};
+	
+	var cloneTemplateObject = function(org) {
+	    var res = {}, prop, el, copy;
+	    for (prop in org) {
+		el = org[prop];
+		if (el.constructor == Object && el.xtype) {
+		    copy = cloneTemplateObject(el);
+		    if (copy.cbind) {
+			applyCBind(copy);
+		    }
+		    res[prop] = copy;
+		} else if (el.constructor == Array) {
+		    copy = cloneTemplateArray(el);
+		    res[prop] = copy;
+		} else {
+		    res[prop] = el;
+		}
+	    }
+	    return res;
+	};
+
+	var condCloneProperties = function() {
+	    var prop, el, i, tmp;
+	
+	    for (prop in me) {
+		el = me[prop];
+		if (el === undefined || el === null) continue;
+		if (typeof(el) === 'object' && el.constructor == Object) {
+		    if (el.xtype) {
+			me[prop] = cloneTemplateObject(el);
+		    }
+		} else if (el.constructor == Array) {
+		    tmp = cloneTemplateArray(el);
+		    me[prop] = tmp;
+		}
+	    }
+	};
+
+	condCloneProperties();
+    }
+});
-- 
2.39.2