91 lines
No EOL
2.4 KiB
JavaScript
91 lines
No EOL
2.4 KiB
JavaScript
/*
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This file is part of Ext JS 3.4
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Copyright (c) 2011-2013 Sencha Inc
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Contact: http://www.sencha.com/contact
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GNU General Public License Usage
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This file may be used under the terms of the GNU General Public License version 3.0 as
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published by the Free Software Foundation and appearing in the file LICENSE included in the
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packaging of this file.
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Please review the following information to ensure the GNU General Public License version 3.0
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requirements will be met: http://www.gnu.org/copyleft/gpl.html.
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If you are unsure which license is appropriate for your use, please contact the sales department
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at http://www.sencha.com/contact.
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Build date: 2013-04-03 15:07:25
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*/
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Ext.data.GearsDB = Ext.extend(Ext.data.SqlDB, {
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// abstract methods
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open : function(db, cb, scope){
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this.conn = google.gears.factory.create('beta.database', '1.0');
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this.conn.open(db);
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this.openState = true;
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Ext.callback(cb, scope, [this]);
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this.fireEvent('open', this);
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},
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close : function(){
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this.conn.close();
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this.fireEvent('close', this);
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},
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exec : function(sql, cb, scope){
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this.conn.execute(sql).close();
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Ext.callback(cb, scope, [true]);
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},
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execBy : function(sql, args, cb, scope){
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this.conn.execute(sql, args).close();
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Ext.callback(cb, scope, [true]);
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},
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query : function(sql, cb, scope){
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var rs = this.conn.execute(sql);
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var r = this.readResults(rs);
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Ext.callback(cb, scope, [r]);
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return r;
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},
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queryBy : function(sql, args, cb, scope){
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var rs = this.conn.execute(sql, args);
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var r = this.readResults(rs);
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Ext.callback(cb, scope, [r]);
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return r;
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},
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readResults : function(rs){
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var r = [];
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if(rs){
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var c = rs.fieldCount();
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// precache field names
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var fs = [];
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for(var i = 0; i < c; i++){
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fs[i] = rs.fieldName(i);
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}
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// read the data
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while(rs.isValidRow()){
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var o = {};
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for(var i = 0; i < c; i++){
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o[fs[i]] = rs.field(i);
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}
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r[r.length] = o;
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rs.next();
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}
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rs.close();
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}
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return r;
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},
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// protected/inherited method
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isOpen : function(){
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return this.openState;
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},
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getTable : function(name, keyName){
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return new Ext.data.SqlDB.Table(this, name, keyName);
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}
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}); |