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main.htm
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<html
window-resizable="true"
window-width="700dip"
window-height="600dip"
>
<head>
<title>sciter virtual table demo</title>
<style>
@import url(node_modules/sciter-logger/src/logger.css);
body {
border-spacing: 1em;
}
plaintext#logger {
size: *;
}
table {
width: *;
height: 135dip;
border-spacing: 0;
border: 1px solid #ccc;
padding: 0;
}
table > thead {
behavior: column-resizer;
border-bottom: 1px solid #ccc;
}
table > thead > tr > th {
border-left: 1px solid #ccc;
padding: 0 0.3em;
}
table > thead > tr > th:nth-child(1) {
min-width: 3em;
}
table > thead > tr > th:nth-child(2),
table > thead > tr > th:nth-child(3),
table > thead > tr > th:nth-child(4) {
width: 8em;
}
table > thead > tr > th:last-child {
width: *;
}
@import url(src/vbody.css);
input {
width: 50dip;
}
</style>
<script type="module">
import Logger from "node_modules/sciter-logger/src/logger.js";
import * as Utils from "node_modules/sciter-utils/src/utils.js";
// capture unhandled exceptions
Logger.capture();
// initialize logger
Logger.init();
// attach logger to console
Logger.attach();
let data;
document.on("ready", function() {
// redirect logger output to plaintext
Logger.plaintext(document.$("plaintext#logger"));
// log sciter version
console.debug(Utils.sciterInfo());
// add support for F5 reload
Utils.addReloadWindow();
// close window on escape key press
Utils.closeWindowOnEscape(Window.this);
// center window on screen
Utils.centerWindow(Window.this, "screen");
// bring window to front and set input focus
Window.this.activate(true);
const table = document.$("tbody");
// send data to table
data = createTableData(250);
table.update({
data,
// columns to show
columns: [0, 1, 2, 3],
});
// select first row
table.select(0);
});
/**
* Create table data
* @param {number} count
* @returns {Array}
*/
function createTableData(count) {
const firstNames = [
"Antony",
"David",
"Julien",
"Laurent",
"Marc",
"Olivier",
"Patrick",
"Vincent",
];
const middleNames = [
"Vincent",
"Patrick",
"Olivier",
"Marc",
"Laurent",
"Julien",
"David",
"Antony",
];
const lastNames = [
"Smith",
"Johnson",
"Williams",
"Brown",
"Jones",
"Miller",
"Davis",
];
const ages = [
45,
18,
34,
20,
27,
29,
30,
37,
];
const data = [];
for (let index = 0; index < count; ++index) {
data.push([
firstNames[index % firstNames.length],
middleNames[index % middleNames.length],
lastNames[index % lastNames.length],
ages[index % ages.length],
]);
}
return data;
}
document.on("click", "button", function(event, element) {
const vbody = document.$("table > tbody");
if (!vbody)
throw new Error("vbody not found");
let position;
switch (element.textContent.toLowerCase()) {
case "start":
position = "start";
break;
case "end":
position = "end";
break;
case "previous page":
position = "pageprior";
break;
case "next page":
position = "pagenext";
break;
case "previous item":
position = "itemprior";
break;
case "next item":
position = "itemnext";
break;
case "rows count":
console.debug("rows count", vbody.count());
break;
case "select row":
vbody.select(0);
break;
case "generate rows": {
const count = document.$("input#count");
data = createTableData(count);
vbody.update({
data,
// columns to show
columns: [0, 1, 2, 3],
});
break;
}
case "update data":
// update data
data[0][0] = "Updated!";
data[1][1] = "Updated!";
data[2][2] = "Updated!";
data[3][3] = "Updated!";
console.debug("data updated");
// repaint table
vbody.update();
break;
case "empty data":
vbody.update({
data: [],
// columns to show
columns: [],
});
break;
default:
throw new Error("unknown button");
}
vbody.vlist.navigate(position);
});
document.on("selected", "table > tbody", function(event, body) {
if (body.hasAttribute("debug"))
console.debug("selected row", event.detail.selected, body.selected());
});
</script>
</head>
<body>
<div>
<button accesskey="!LEFT">Previous item</button>
<button accesskey="!RIGHT">Next item</button>
<button accesskey="!HOME">Start</button>
<button accesskey="!END">End</button>
<button accesskey="!PRIOR">Previous page</button>
<button accesskey="!NEXT">Next page</button>
</div>
<div>
<button>Rows count</button>
<button>Select row</button>
<label for="count">Rows count</label>
<input id="count" type="text" value="10000" /><button>Generate rows</button>
<button>Update data</button>
<button>Empty data</button>
</div>
<table>
<thead>
<th>index</th>
<th>first name</th>
<th>middle name</th>
<th>last name</th>
<th>age</th>
</thead>
<tbody styleset="#vbody" debug />
</table>
<plaintext #logger readonly />
</body>
</html>