<!DOCTYPE html>
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<html>
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<head>
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<title>checkbox.html</title>
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<meta http-equiv="Expires" content="0" />
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<meta http-equiv="Cache" content="no-cache" />
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<meta http-equiv="Pragma" content="no-cache" />
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<meta http-equiv="Cache-control" content="no-cache" />
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<link href="imgs/favicon.ico" rel="icon" type="image/x-icon" />
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
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<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
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<style>
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html, body {
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margin: 0;
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padding: 0;
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width: 100%;
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height: 100%;
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overflow: hidden;
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}
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</style>
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<script>
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function getQueryString(name) {
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var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)", "i");
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var r = window.location.search.substring(1).match(reg);
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if (r != null) {
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return decodeURI(r[2]);
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};
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return null;
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}
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window.onload = function () {
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init();
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}
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function init() {
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var groups = ["2m影像", "16m影像", "植被覆盖度"];
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var select = document.getElementById("select");
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for (var i in groups) {
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var groupName = groups[i];
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var item = SGWorld.ProjectTree.FindItem(groupName);
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if (!item) continue;
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SGWorld.ProjectTree.SetVisibility(item, false);
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var names = getLayers(groupName);
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if (names.length) {
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for (var i in names) {
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var op = document.createElement("option");
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op.text = groupName + "\\" + names[i];
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if (0 == i) op.selected = true;
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select.add(op);
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}
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}
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}
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select.onchange = selectChanged;
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setImageLayer();
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}
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function getLayers(groupName) {
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var item = SGWorld.ProjectTree.FindItem(groupName);
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if (!item) return [];
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var names = [];
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var id = SGWorld.ProjectTree.GetNextItem(item, 11); // 11-CHILD
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while (id) {
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var name = SGWorld.ProjectTree.GetItemName(id);
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names.push(name);
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id = SGWorld.ProjectTree.GetNextItem(id, 13); // 13-NEXT
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}
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return names;
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}
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function selectChanged(e) {
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setImageLayer();
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}
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var lastItem = null;
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function setImageLayer() {
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if (lastItem) {
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SGWorld.ProjectTree.SetVisibility(lastItem, false);
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lastItem = null;
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}
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var select = document.getElementById("select");
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var text = select.options[select.selectedIndex].text;
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var item = SGWorld.ProjectTree.FindItem(text);
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if (item) {
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SGWorld.ProjectTree.SetVisibility(item, true);
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lastItem = item;
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}
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}
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</script>
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</head>
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<body>
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<select id="select" style="width: 170px; text-align: center;"></select><object id="SGWorld" classid="CLSID:3a4f9199-65a8-11d5-85c1-0001023952c1"></object>
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</body>
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</html>
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