--- /dev/null
+<html>\r
+<head>\r
+ <title>The source code</title>\r
+ <link href="../resources/prettify/prettify.css" type="text/css" rel="stylesheet" />\r
+ <script type="text/javascript" src="../resources/prettify/prettify.js"></script>\r
+</head>\r
+<body onload="prettyPrint();">\r
+ <pre class="prettyprint lang-js">\r
+// Asbtract base class for SqlDB classes\r
+Ext.data.SqlDB = function(config){\r
+ Ext.apply(this, config);\r
+ Ext.data.SqlDB.superclass.constructor.call(this);\r
+\r
+ this.addEvents({\r
+ open : true,\r
+ close: true\r
+ });\r
+};\r
+\r
+Ext.extend(Ext.data.SqlDB, Ext.util.Observable, {\r
+ maxResults: 10000,\r
+ openState : false,\r
+\r
+ // abstract methods\r
+ open : function(file, cb, scope){\r
+ },\r
+\r
+ close : function(){\r
+ },\r
+\r
+ exec : function(sql, cb, scope){\r
+ },\r
+\r
+ execBy : function(sql, args, cb, scope){\r
+ },\r
+\r
+ query : function(sql, cb, scope){\r
+ },\r
+\r
+ queryBy : function(sql, args, cb, scope){\r
+ },\r
+\r
+ // protected/inherited method\r
+ isOpen : function(){\r
+ return this.openState;\r
+ },\r
+\r
+ getTable : function(name, keyName){\r
+ return new Ext.data.SqlDB.Table(this, name, keyName);\r
+ },\r
+\r
+ createTable : function(o){\r
+ var tableName = o.name;\r
+ var keyName = o.key;\r
+ var fs = o.fields;\r
+ var cb = o.callback;\r
+ var scope = o.scope;\r
+ if(!(fs instanceof Array)){ // Ext fields collection\r
+ fs = fs.items;\r
+ }\r
+ var buf = [];\r
+ for(var i = 0, len = fs.length; i < len; i++){\r
+ var f = fs[i], s = f.name;\r
+ switch(f.type){\r
+ case "int":\r
+ case "bool":\r
+ case "boolean":\r
+ s += ' INTEGER';\r
+ break;\r
+ case "float":\r
+ s += ' REAL';\r
+ break;\r
+ default:\r
+ s += ' TEXT';\r
+ }\r
+ if(f.allowNull === false || f.name == keyName){\r
+ s += ' NOT NULL';\r
+ }\r
+ if(f.name == keyName){\r
+ s += ' PRIMARY KEY';\r
+ }\r
+ if(f.unique === true){\r
+ s += ' UNIQUE';\r
+ }\r
+\r
+ buf[buf.length] = s;\r
+ }\r
+ var sql = ['CREATE TABLE IF NOT EXISTS ', tableName, ' (', buf.join(','), ')'].join('');\r
+ this.exec(sql, cb, scope);\r
+ }\r
+});\r
+\r
+\r
+Ext.data.SqlDB.getInstance = function(db, config){\r
+ if(window.htmlControl){ // air\r
+ return new Ext.data.AirDB(config);\r
+ } else { // gears\r
+ return new Ext.data.GearsDB(config);\r
+ }\r
+};\r
+\r
+\r
+Ext.data.SqlDB.Table = function(conn, name, keyName){\r
+ this.conn = conn;\r
+ this.name = name;\r
+ this.keyName = keyName;\r
+};\r
+\r
+Ext.data.SqlDB.Table.prototype = {\r
+ update : function(o, cb, scope){\r
+ var clause = this.keyName + " = :" + this.keyName;\r
+ this.updateBy(o, clause, {}, cb, scope);\r
+ },\r
+\r
+ updateBy : function(o, clause, args, cb, scope){\r
+ var sql = "UPDATE " + this.name + " set ";\r
+ var fs = [], a = [];\r
+ for(var key in o){\r
+ if(o.hasOwnProperty(key)){\r
+ fs[fs.length] = key + ' = ?';\r
+ a[a.length] = o[key];\r
+ }\r
+ }\r
+ for(var key in args){\r
+ if(args.hasOwnProperty(key)){\r
+ a[a.length] = args[key];\r
+ }\r
+ }\r
+ sql = [sql, fs.join(','), ' WHERE ', clause].join('');\r
+ this.conn.execBy(sql, a, cb, scope);\r
+ },\r
+\r
+ insert : function(o, cb, scope){\r
+ var sql = "INSERT into " + this.name + " ";\r
+ var fs = [], vs = [], a = [];\r
+ for(var key in o){\r
+ if(o.hasOwnProperty(key)){\r
+ fs[fs.length] = key;\r
+ vs[vs.length] = '?';\r
+ a[a.length] = o[key];\r
+ }\r
+ }\r
+ sql = [sql, '(', fs.join(','), ') VALUES (', vs.join(','), ')'].join('');\r
+ this.conn.execBy(sql, a, cb, scope);\r
+ },\r
+\r
+ select : function(clause, cb, scope){\r
+ this.selectBy(clause, null, cb, scope);\r
+ },\r
+\r
+ selectBy : function(clause, args, cb, scope){\r
+ var sql = "select * from " + this.name;\r
+ if(clause){\r
+ sql += ' ' + clause;\r
+ }\r
+ args = args || {};\r
+ this.conn.queryBy(sql, args, cb, scope);\r
+ },\r
+\r
+ remove : function(clause, cb, scope){\r
+ this.deleteBy(clause, null, cb, scope);\r
+ },\r
+\r
+ removeBy : function(clause, args, cb, scope){\r
+ var sql = "delete from " + this.name;\r
+ if(clause){\r
+ sql += ' where ' + clause;\r
+ }\r
+ args = args || {};\r
+ this.conn.execBy(sql, args, cb, scope);\r
+ }\r
+};\r
+\r
+Ext.data.SqlDB.Proxy = function(conn, table, keyName, store){\r
+ Ext.data.SqlDB.Proxy.superclass.constructor.call(this);\r
+ this.conn = conn;\r
+ this.table = this.conn.getTable(table, keyName);\r
+ this.store = store;\r
+\r
+ this.store.on('add', this.onAdd, this);\r
+ this.store.on('update', this.onUpdate, this);\r
+ this.store.on('remove', this.onRemove, this);\r
+};\r
+\r
+Ext.extend(Ext.data.SqlDB.Proxy, Ext.data.DataProxy, {\r
+ load : function(params, reader, callback, scope, arg){\r
+ if(!this.conn.isOpen()){ // assume that the connection is in the process of opening\r
+ this.conn.on('open', function(){\r
+ this.load(params, reader, callback, scope, arg);\r
+ }, this, {single:true});\r
+ return;\r
+ };\r
+ if(this.fireEvent("beforeload", this, params, reader, callback, scope, arg) !== false){\r
+ var clause = params.where || '';\r
+ var args = params.args || [];\r
+ var group = params.groupBy;\r
+ var sort = params.sort;\r
+ var dir = params.dir;\r
+\r
+ if(group || sort){\r
+ clause += ' ORDER BY ';\r
+ if(group && group != sort){\r
+ clause += group + ' ASC, ';\r
+ }\r
+ clause += sort + ' ' + (dir || 'ASC');\r
+ }\r
+\r
+ this.table.selectBy(clause, args,\r
+ this.onLoad.createDelegate(this, [{callback:callback, scope:scope, arg:arg, reader: reader}], 0));\r
+ }else{\r
+ callback.call(scope||this, null, arg, false);\r
+ }\r
+ },\r
+\r
+ onLoad : function(trans, rs, e, stmt){\r
+ if(rs === false){\r
+ this.fireEvent("loadexception", this, null, trans.arg, e);\r
+ trans.callback.call(trans.scope||window, null, trans.arg, false);\r
+ return;\r
+ }\r
+ var result = trans.reader.readRecords(rs);\r
+ this.fireEvent("load", this, rs, trans.arg);\r
+ trans.callback.call(trans.scope||window, result, trans.arg, true);\r
+ },\r
+\r
+ processData : function(o){\r
+ var fs = this.store.fields;\r
+ var r = {};\r
+ for(var key in o){\r
+ var f = fs.key(key), v = o[key];\r
+ if(f){\r
+ if(f.type == 'date'){\r
+ r[key] = v ? v.format('Y-m-d H:i:s') : '';\r
+ }else if(f.type == 'boolean'){\r
+ r[key] = v ? 1 : 0;\r
+ }else{\r
+ r[key] = v;\r
+ }\r
+ }\r
+ }\r
+ return r;\r
+ },\r
+\r
+ onUpdate : function(ds, record){\r
+ var changes = record.getChanges();\r
+ var kn = this.table.keyName;\r
+ this.table.updateBy(this.processData(changes), kn + ' = ?', [record.data[kn]]);\r
+ record.commit(true);\r
+ },\r
+\r
+ onAdd : function(ds, records, index){\r
+ for(var i = 0, len = records.length; i < len; i++){\r
+ this.table.insert(this.processData(records[i].data));\r
+ }\r
+ },\r
+\r
+ onRemove : function(ds, record, index){\r
+ var kn = this.table.keyName;\r
+ this.table.removeBy(kn + ' = ?', [record.data[kn]]);\r
+ }\r
+});</pre> \r
+</body>\r
+</html>
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git.ithinksw.org / extjs.git / blobdiff