jqwidgets-framework
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jQWidgets is an advanced Angular, Vue, Blazor, React, Web Components, jquery, ASP .NET MVC, Custom Elements and HTML5 UI framework.
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JavaScript
/// <reference path="../../../jqwidgets-ts/jqwidgets.d.ts" />
function createTreeGridVirtualMode(selector) {
var generateTasks = function (rowsCount) {
var rowsCount = !rowsCount ? 1 + Math.floor(Math.random() * 5) : rowsCount;
var data = new Array();
var generatekey = function () {
var S4 = function () {
return (((1 + Math.random()) * 0x10000) | 0).toString(16).substring(1);
};
return (S4() + S4() + "-" + S4() + "-" + S4() + "-" + S4() + "-" + S4() + S4() + S4());
};
for (var i = 0; i < rowsCount; i++) {
var row = {};
var tasks = ["Shopping", "Housewares", "Kitchen supplies", "Groceries", "Cleaning supplies", "Office supplies", "Remodeling", "Paint bedroom", "Paint wall", "Fitness", "Decorate living room",
"Fix lights", "Fix front door", "Clean kitchen"];
var firstNames = [
"Andrew", "Nancy", "Shelley", "Regina", "Yoshi", "Antoni", "Mayumi", "Ian", "Peter", "Lars", "Petra", "Martin", "Sven", "Elio", "Beate", "Cheryl", "Michael", "Guylene"
];
var lastNames = [
"Fuller", "Davolio", "Burke", "Murphy", "Nagase", "Saavedra", "Ohno", "Devling", "Wilson", "Peterson", "Winkler", "Bein", "Petersen", "Rossi", "Vileid", "Saylor", "Bjorn", "Nodier"
];
row["id"] = generatekey();
row["firstname"] = firstNames[Math.floor(Math.random() * firstNames.length)];
row["lastname"] = lastNames[Math.floor(Math.random() * lastNames.length)];
row["name"] = row["firstname"] + " " + row["lastname"];
var taskindex = Math.floor(Math.random() * tasks.length);
row["task"] = tasks[taskindex];
row["duration"] = 1 + Math.floor(Math.random() * 10);
data.push(row);
}
return data;
};
// Create Tree Grid
//// initialization options - validated in typescript
//// jqwidgets.TreeGridOptions has generated TS definition
var options = {
width: 850,
pageable: true,
altRows: true,
virtualModeCreateRecords: function (expandedRecord, done) {
// expandedRecord is equal to null when the function is initially called, because there is still no record to be expanded.
// prepare the data
var source = {
dataType: "array",
dataFields: [
{ name: "id", type: "string" },
{ name: "name", type: "string" },
{ name: "duration", type: "number" },
{ name: "task", type: "number" }
],
localData: expandedRecord === null ? generateTasks(3000) : generateTasks(''),
id: 'id'
};
var dataAdapter = new $.jqx.dataAdapter(source, {
loadComplete: function () {
done(dataAdapter.records);
}
});
dataAdapter.dataBind();
},
virtualModeRecordCreating: function (record) {
if (record.level == 2) {
// by setting the record's leaf member to true, you will define the record as a leaf node.
record.leaf = true;
}
},
columns: [
{ text: 'Task', dataField: "task", align: 'center', width: 300 },
{ text: 'Person Name', dataField: "name", cellsAlign: 'center', align: 'center', width: 300 },
{
text: 'Duration', aggregates: ['sum'], dataField: "duration", cellsAlign: 'center', align: 'center', cellsRenderer: function (row, column, value) {
var hour = value > 1 ? " hours" : " hour";
return value + hour;
}
}
]
};
// creates an instance
var myTreeGrid = jqwidgets.createInstance(selector, 'jqxTreeGrid', options);
}
//# sourceMappingURL=typescript-treegrid-virtualmode.js.map