Javier Álvarez Medina
14 years ago
parent
e28ff51170
commit
210d8ed3ca
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/*==========================================================================================================================*/
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/* */
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/* loaderQueue => Control loader of the table . */
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/* */
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/*==========================================================================================================================*/
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function loaderQueue () {
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this.count = 0;
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this.pendingOperations = [];
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this.checking = false;
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//Create the loader element
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$('section.subheader').append('<div class="performing_op"></div>');
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this.loader = $('section.subheader div.performing_op');
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}
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/*========================================================================================================================*/
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/* */
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/*========================================================================================================================*/
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loaderQueue.prototype.newRequest = function(requestId, ok_msg, error_msg) {
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this.count++;
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this.pendingOperations[requestId] = new Object();
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this.pendingOperations[requestId].status = "pending";
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this.pendingOperations[requestId].ok = ok_msg;
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this.pendingOperations[requestId].error = error_msg;
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if (!this.checking) {
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console.log(this.loader);
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if (this.loader.html()=="") {
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this.loader.append('<p class="loading">Loading...</p>');
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}
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this.loader.children('p.loading').animate({opacity:1},200);
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this.checking = true;
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this.loopPendingOperations();
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}
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}
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/*========================================================================================================================*/
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/* */
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/*========================================================================================================================*/
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loaderQueue.prototype.responseRequest = function(requestId, status) {
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this.pendingOperations[requestId].status = status;
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}
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/*========================================================================================================================*/
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/* */
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/*========================================================================================================================*/
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loaderQueue.prototype.loopPendingOperations = function() {
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var me = this;
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for (var request in this.pendingOperations) {
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if (this.pendingOperations[request].status!="pending") {
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this.count--;
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this.showResult(this.pendingOperations[request]);
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delete this.pendingOperations[request];
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setTimeout(function(){me.loopPendingOperations()},1000);
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return false;
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}
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}
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if (this.count == 0) {
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this.loader.children('p').animate({opacity:0},300,function(){
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$(this).remove();
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if (me.count>0) {
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me.loader.append('<p class="loading">Loading...</p>');
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me.loader.children('p.loading').animate({opacity:1},200);
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me.checking = true;
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me.loopPendingOperations();
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} else {
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me.checking = false;
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}
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});
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} else {
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if (!me.loader.children('p').hasClass('loading')) {
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me.loader.children('p:eq(0)')
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.css('position','absolute')
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.css('bottom','0px')
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.css('left',0 + 'px')
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.css('zIndex','100');
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me.loader.children('p:eq(0)').animate({opacity:0},300,function(){
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$(this).remove();
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});
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me.loader.append('<p class="loading">Loading...</p>');
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me.loader.children('p:eq(1)').animate({opacity:1},200);
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}
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setTimeout(function(){me.loopPendingOperations()},50);
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}
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}
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/*========================================================================================================================*/
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/* */
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/*========================================================================================================================*/
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loaderQueue.prototype.showResult = function(data) {
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var element = '';
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if (this.count==0) {
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element = '<p class="'+((data.status!="ok")?'error':'success')+'">'+ ((data.status=="ok")?data.ok:data.error) +'</p>';
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} else {
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var text = ((data.status=="ok")?data.ok:data.error) + ', ';
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text += (this.count==1)?'there is '+ this.count + ' in the queue':'there are '+ this.count + ' in the queue';
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element = '<p class="'+((data.status!="ok")?'error':'success')+'">'+ text +'</p>';
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}
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var left_position = this.loader.children('p:eq(0)').position().left;
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console.log(left_position);
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this.loader.children('p:eq(0)')
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.css('position','absolute')
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.css('bottom','0px')
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.css('left',left_position + 'px')
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.css('zIndex','100');
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this.loader.children('p:eq(0)').animate({opacity:0},800,function(){$(this).remove();});
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this.loader.append(element);
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var width = this.loader.children('p:eq(1)').width();
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this.loader.children('p:eq(1)').css('margin','0 0 0 '+ ((650-width)/2) +'px');
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this.loader.children('p:eq(1)').animate({opacity:1},400);
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}
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function test1() {
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requests_queue.newRequest("a", "The row 'J' column 'P' has been updated","The row 'J' column 'P' hasn't been updated");
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requests_queue.newRequest("b", "The tags has been updated","The tags hasn't been updated");
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requests_queue.newRequest("c", "Table name updated","Sorry, table name update error");
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requests_queue.newRequest("d", "The row 'J' column 'P' has been updated","The row 'J' column 'P' hasn't been updated");
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}
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function test2() {
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requests_queue.responseRequest('b','ok');
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setTimeout(function(){requests_queue.responseRequest('a','error');},15000)
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requests_queue.responseRequest('d','ok');
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requests_queue.responseRequest('c','error');
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}
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