| | |
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| | | } |
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| | | |
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| | | window.onload = function () { |
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| | | init(); |
|---|
| | | } |
|---|
| | | |
|---|
| | | 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); |
|---|
| | | if (!item) continue; |
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| | | SGWorld.ProjectTree.SetVisibility(item, false); |
|---|
| | | |
|---|
| | | var names = getLayers(groupName); |
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| | | if (names.length) { |
|---|
| | | for (var i in names) { |
|---|
| | | 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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| | | select.onchange = selectChanged; |
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| | | setImageLayer(); |
|---|
| | | } |
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| | | |
|---|
| | | function getLayers(groupName) { |
|---|
| | | var item = SGWorld.ProjectTree.FindItem(groupName); |
|---|
| | | if (!item) return []; |
|---|
| | | |
|---|
| | | var names = []; |
|---|
| | | var id = SGWorld.ProjectTree.GetNextItem(item, 11); // 11-CHILD |
|---|
| | | while (id) { |
|---|
| | | var name = SGWorld.ProjectTree.GetItemName(id); |
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| | | names.push(name); |
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| | | |
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| | | id = SGWorld.ProjectTree.GetNextItem(id, 13); // 13-NEXT |
|---|
| | | } |
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| | | |
|---|
| | | return names; |
|---|
| | | } |
|---|
| | | |
|---|
| | | function selectChanged(e) { |
|---|
| | | setImageLayer(); |
|---|
| | | } |
|---|
| | | |
|---|
| | | function setImageLayer() { |
|---|
| | | var select = document.getElementById("select"); |
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| | | var text = select.options[select.selectedIndex].text.replace("年", ""); |
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| | | var lastItem = null; |
|---|
| | | |
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| | | var item = SGWorld.ProjectTree.FindItem("多期数据"); |
|---|
| | | if (item) { |
|---|
| | | SGWorld.ProjectTree.SetVisibility(item, false); |
|---|
| | | function setImageLayer() { |
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| | | if (lastItem) { |
|---|
| | | SGWorld.ProjectTree.SetVisibility(lastItem, false); |
|---|
| | | lastItem = null; |
|---|
| | | } |
|---|
| | | |
|---|
| | | item = SGWorld.ProjectTree.FindItem("多期数据\\" + text); |
|---|
| | | var select = document.getElementById("select"); |
|---|
| | | var text = select.options[select.selectedIndex].text; |
|---|
| | | |
|---|
| | | var item = SGWorld.ProjectTree.FindItem(text); |
|---|
| | | if (item) { |
|---|
| | | SGWorld.ProjectTree.SetVisibility(item, true); |
|---|
| | | lastItem = item; |
|---|
| | | } |
|---|
| | | } |
|---|
| | | </script> |
|---|
| | | </head> |
|---|
| | | <body> |
|---|
| | | <select id="select" style="width: 120px; text-align: center;" onchange="selectChanged(this);"> |
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| | | <option selected="selected">2024年</option> |
|---|
| | | <option>2023年</option> |
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| | | <option>2019年</option> |
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| | | <option>2015年</option> |
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| | | <option>2010年</option> |
|---|
| | | </select><object id="SGWorld" classid="CLSID:3a4f9199-65a8-11d5-85c1-0001023952c1"></object> |
|---|
| | | <select id="select" style="width: 170px; text-align: center;"></select><object id="SGWorld" classid="CLSID:3a4f9199-65a8-11d5-85c1-0001023952c1"></object> |
|---|
| | | </body> |
|---|
| | | </html> |
|---|
