Ti.UI.backgroundColor = '#dddddd';
var url = "http://remoteJSON.js";
var win = Titanium.UI.currentWindow;
var table = Titanium.UI.createTableView();
var tableData = [];
var json, categorias, categoria, i, row, categoriaLabel, descripcionLabel;
var refreshBtn = Titanium.UI.createButton({
systemButton: Ti.UI.iPhone.SystemButton.REFRESH
});
refreshBtn.addEventListener('click', function() {
loadTutoriales();
});
win.setRightNavButton(refreshBtn);
var actInd = Titanium.UI.createActivityIndicator({
bottom:10,
height:50,
width:10,
style:Titanium.UI.iPhone.ActivityIndicatorStyle.PLAIN
});
function loadTutoriales(){
if(!Titanium.Network.online){
alert("Debe conectarse a internet.");
}
var xhr = Ti.Network.createHTTPClient({
onload: function() {
actInd.show();
actInd.message = 'Loading...';
//Ti.API.debug(this.responseText);
json = JSON.parse(this.responseText);
for (i = 0; i < json.categorias.length; i++) {
var rowColor = '#eeeeee';
if(i & 1){
rowColor = '#ffffff';
}
categoria = json.categorias[i];
var row = Ti.UI.createTableViewRow({
height:'auto',
hasChild:true
});
row.backgroundColor=rowColor;
/* add */
var post_view = Titanium.UI.createView({
height:'auto',
layout:'vertical',
top:5,
right:5,
bottom:5,
left:5
});
var av_image = Titanium.UI.createImageView({
image:categoria.imageUrl,
top:0,
left:0,
height:48,
width:48
});
post_view.add(av_image);
var inner_view = Titanium.UI.createView({
height:'auto',
layout:'vertical',
top:0,
right:0,
bottom:0,
left:0
});
/* end add */
var categoriaLabel = Ti.UI.createLabel({
text:categoria.categoryName,
left:54,
width:120,
top:-48,
bottom:0,
height:18,
textAlign:'left',
color:'#444444',
font:{fontFamily:'Trebuchet MS',fontSize:14,fontWeight:'bold'}
});
inner_view.add(categoriaLabel);
var descripcionLabel = Ti.UI.createLabel({
text:'"' + categoria.description + '"',
left:54,
top:0,
bottom:2,
height:'auto',
width:'auto',
textAlign:'left',
font:{fontSize:14}
});
inner_view.add(descripcionLabel);
post_view.add(inner_view);
row.add(post_view);
//row.add(descripcionLabel);
tableData.push(row);
}
table.setData(tableData);
},
onerror: function(e) {
Ti.API.debug("STATUS: " + this.status);
Ti.API.debug("TEXT: " + this.responseText);
Ti.API.debug("ERROR: " + e.error);
alert('There was an error retrieving the remote data. Try again.');
},
timeout:5000
});
//win.add(actInd);
win.add(table);
win.open();
//actInd.hide();
xhr.open("GET", url);
xhr.send();
}
loadTutoriales();
答案 0 :(得分:2)
当您再次填充表格之前,按下刷新按钮清除tableData数组并分配到表格集数据功能。因此,它会首先清空您的表,而不是填充新刷新的数据。
像这样,
refreshBtn.addEventListener('click', function() {
tableData = [];
table.setData(tableData);
loadTutoriales();
});