bmh_cesium/public/widgets/manageLayers/view.js

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2025-03-09 23:23:50 +00:00
var thisWidget;
var layers = [];
var layersObj = {};
//当前页面业务
function initWidgetView(_thisWidget) {
thisWidget = _thisWidget;
if (thisWidget.config && thisWidget.config.style) {
$("body").addClass(thisWidget.config.style);
}
//右键
bindRightMenuEvnet();
//初始化树
var setting = {
check: {
enable: true
},
data: {
simpleData: {
enable: true
}
},
callback: {
onCheck: treeOverlays_onCheck,
onRightClick: treeOverlays_OnRightClick,
onDblClick: treeOverlays_onDblClick,
onClick: treeOverlays_onClick
},
view: {
addDiyDom: addOpacityRangeDom,
}
};
var zNodes = [];
layers = thisWidget.getLayers();
for (var i = layers.length - 1; i >= 0; i--) {
var item = layers[i];
if (item == null || item.hide) continue;
var node = {
id: item.id,
pId: item.pid,
name: item.name,
//opacity: item.opacity,
_type: item.type,
_key: item._key,
};
if (item.hasLayer) {
if (thisWidget.config.style == "dark")
node.icon = "images/layer2.png";
else
node.icon = "images/layer.png";
node.checked = thisWidget.getLayerVisible(item);
if (item._parent)
node._parent = item._parent._key;
//记录图层
layersObj[node._key] = item;
zNodes.push(node);
} else {
node.icon = "images/folder.png";
node.open = item.open == null ? true : item.open;
zNodes.push(node);
}
}
$.fn.zTree.init($("#treeOverlays"), setting, zNodes);
$("#view").mCustomScrollbar({
theme: (thisWidget.config.style == "dark") ? "" : "dark-2",
});
}
function treeOverlays_onClick(e, treeId, treeNode, clickFlag) {
}
function addNode(item) {
var zTree = $.fn.zTree.getZTreeObj("treeOverlays");
var parentNode;
if (item.pid && item.pid != -1)
parentNode = zTree.getNodeByParam("id", item.pid, null);
var node = {
id: item.id,
pId: item.pid,
name: item.name,
//opacity: item.opacity,
_type: item.type,
_key: item._key,
};
if (item.type == "group" || !item.hasLayer) {
node.icon = "images/folder.png";
node.open = item.open == null ? true : item.open;
} else {
if (thisWidget.config.style == "dark")
node.icon = "images/layer2.png";
else
node.icon = "images/layer.png";
node.checked = thisWidget.getLayerVisible(item);
if (item._parent)
node._parent = item._parent._key;
//记录图层
layersObj[node._key] = item;
}
zTree.addNodes(parentNode, 0, [node], true);
}
function removeNode(item) {
var zTree = $.fn.zTree.getZTreeObj("treeOverlays");
var node = zTree.getNodeByParam("id", item.id, null);
if (node)
zTree.removeNode(node);
}
//===================================勾选显示隐藏图层====================================
function treeOverlays_onCheck(e, treeId, treeNode) {
var zTree = $.fn.zTree.getZTreeObj(treeId);
//获得所有改变check状态的节点
var changedNodes = zTree.getChangeCheckedNodes();
for (var i = 0; i < changedNodes.length; i++) {
var treeNode = changedNodes[i];
treeNode.checkedOld = treeNode.checked;
layer = layersObj[treeNode._key];
if (layer == null) continue;
//显示隐藏透明度设置view
if (treeNode.checked)
$("#" + treeNode.tId + "_range").show();
else
$("#" + treeNode.tId + "_range").hide();
//特殊处理同目录下的单选的互斥的节点可在config对应图层节点中配置"radio":true即可
if (layer.radio && treeNode.checked) {
function filter(node) {
var item = layersObj[node._key];
return item.radio && item.pid == layer.pid && node._key != treeNode._key;
}
var nodes = zTree.getNodesByFilter(filter, false, treeNode.getParentNode());
for (var nidx = 0; nidx < nodes.length; nidx++) {
nodes[nidx].checkedOld = false;
zTree.checkNode(nodes[nidx], false, true);
$("#" + nodes[nidx].tId + "_range").hide();
var layertmp = layersObj[nodes[nidx]._key];
thisWidget.updateLayerVisible(layertmp, false);
}
}
//处理图层显示隐藏
if (treeNode._parent) {
var parentLayer = layersObj[treeNode._parent];
thisWidget.updateLayerVisible(layer, treeNode.checked, parentLayer);
} else {
thisWidget.updateLayerVisible(layer, treeNode.checked);
}
}
}
function treeOverlays_onDblClick(event, treeId, treeNode) {
if (treeNode == null || treeNode._key == null) return;
var layer = layersObj[treeNode._key];
if (layer == null) return;
thisWidget.centerAt(layer);
};
//===================================透明度设置====================================
//在节点后添加自定义控件
function addOpacityRangeDom(treeId, tNode) {
//if (tNode.icon == "images/folder.png") return;
var layer = thisWidget.getLayar(layersObj[tNode._key]);
if (!layer || !layer.hasOpacity) return;
var view = $("#" + tNode.tId);
var silder = '<input id="' + tNode.tId + '_range" type="range" style="width: 50px;" />';
view.append(silder);
if (!tNode.checked)
$("#" + tNode.tId + "_range").hide();
$("#" + tNode.tId + "_range").range({
min: 0,
max: 100,
step: 1,
value: (layer._opacity || 1) * 100,
onChange: function (value) {
var opacity = value / 100;
var layer = layersObj[tNode._key];
//设置图层的透明度
thisWidget.udpateLayerOpacity(layer, opacity);
}
});
}
//===================================右键菜单====================================
var lastRightClickTreeId;
var lastRightClickTreeNode;
function treeOverlays_OnRightClick(event, treeId, treeNode) {
if (treeNode == null || layersObj[treeNode._key] == null) return;
var layer = thisWidget.getLayar(layersObj[treeNode._key]);
if (!layer || !layer.hasZIndex) return;
//右击时的节点
lastRightClickTreeId = treeId;
lastRightClickTreeNode = treeNode;
var top = event.clientY;
var left = event.clientX;
var maxtop = document.body.offsetHeight - 100;
var maxleft = document.body.offsetWidth - 100;
if (top > maxtop) top = maxtop;
if (left > maxleft) left = maxleft;
$('#content_layer_manager_rMenu').css({
"top": top + "px",
"left": left + "px"
}).show();
$("body").bind("mousedown", onBodyMouseDown);
}
function onBodyMouseDown(event) {
if (!(event.target.id == "content_layer_manager_rMenu" || $(event.target).parents('#content_layer_manager_rMenu').length > 0)) {
hideRMenu();
}
}
function hideRMenu() {
$("body").unbind("mousedown", onBodyMouseDown);
$('#content_layer_manager_rMenu').hide();
}
function bindRightMenuEvnet() {
$("#content_layer_manager_rMenu li").on("click", function () {
hideRMenu();
var type = $(this).attr("data-type");
moveNodeAndLayer(type);
});
}
//移动节点及图层位置
function moveNodeAndLayer(type) {
var zTree = $.fn.zTree.getZTreeObj(lastRightClickTreeId);
//获得当前节点的所有同级节点
var childNodes;
var parent = lastRightClickTreeNode.getParentNode();
if (parent == null) {
childNodes = zTree.getNodes();
} else {
childNodes = parent.children;
}
var thisNode = lastRightClickTreeNode;
var thisLayer = layersObj[thisNode._key];
switch (type) {
case "up": //图层上移一层
var moveNode = thisNode.getPreNode();
if (moveNode) {
zTree.moveNode(moveNode, thisNode, "prev");
var moveLayer = layersObj[moveNode._key];
exchangeLayer(thisLayer, moveLayer);
}
break;
case "top": //图层置于顶层
if (thisNode.getIndex() == 0) return;
while (thisNode.getIndex() > 0) {
//冒泡交换
var moveNode = thisNode.getPreNode();
if (moveNode) {
zTree.moveNode(moveNode, thisNode, "prev");
var moveLayer = layersObj[moveNode._key];
exchangeLayer(thisLayer, moveLayer);
}
}
break;
case "down": //图层下移一层
var moveNode = thisNode.getNextNode();
if (moveNode) {
zTree.moveNode(moveNode, thisNode, "next");
var moveLayer = layersObj[moveNode._key];
exchangeLayer(thisLayer, moveLayer);
}
break;
case "bottom": //图层置于底层
if (thisNode.getIndex() == childNodes.length - 1) return;
while (thisNode.getIndex() < childNodes.length - 1) {
//冒泡交换
var moveNode = thisNode.getNextNode();
if (moveNode) {
zTree.moveNode(moveNode, thisNode, "next");
var moveLayer = layersObj[moveNode._key];
exchangeLayer(thisLayer, moveLayer);
}
}
break;
}
//按order重新排序
layers.sort(function (a, b) {
return a.order - b.order;
});
}
/**
* 交换相邻的图层 layer1 待移动图层 layer2 移动目标图层
*/
function exchangeLayer(layer1, layer2) {
if (layer1 == null || layer2 == null) return;
var or = layer1.order;
layer1.order = layer2.order;
layer2.order = or;
if (Number(layer1.order) < Number(layer2.order)) {
//向上移动
thisWidget.udpateLayerZIndex(layer1, layer1.order);
} else {
//向下移动
thisWidget.udpateLayerZIndex(layer2, layer2.order);
}
}
//===================================其他====================================
//地图图层添加移除监听,自动勾选
function updateCheckd(name, checked) {
var zTree = $.fn.zTree.getZTreeObj("treeOverlays");
var nodes = zTree.getNodesByParam("name", name, null);
if (nodes && nodes.length > 0)
zTree.checkNode(nodes[0], checked, false);
else
console.log('未在图层树上找到图层“' + name + '”,无法自动勾选处理');
}