702 lines
14 KiB
JavaScript
702 lines
14 KiB
JavaScript
/**
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* BBTreeview
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* @version v0.1.0.223 (2023/09/08 2027)
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*/
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function BBTreeview(options)
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{
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const a = this;
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a.initialise(options);
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};
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BBTreeview.prototype.AddItem = function(options) {
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const a = this;
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const _options = a.getOptions(options);
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// Don't add duplicate
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if (a.Find(_options.ID) != null) {
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return false;
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}
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// Check parent exists
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let parentNode = null;
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if (_options.ParentID != null) {
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parentNode = a.Find(_options.ParentID);
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if (parentNode == null) {
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return false;
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}
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}
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if (parentNode == null) {
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parentNode = a.Container;
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} else {
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parentNode = parentNode.GetChildNode();
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}
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const nodeHtml = a.generateNodeHtml(_options);
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// Add node
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a.appendHtml(parentNode, nodeHtml);
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const node = a.Find(_options.ID);
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// Events
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node.Node.addEventListener("click", function(e){
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e.stopPropagation();
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e.preventDefault();
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if (!a.isTag(e.target, "li")) {
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return;
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}
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if ((e.offsetX < 0) || (e.offsetX > 16) || (e.offsetY < 0) || (e.offsetY > 16)) {
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return;
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}
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const myNode = a.getNode(e.target);
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if (myNode == null) {
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return;
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}
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a.Toggle(myNode);
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});
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// Setup checkbox events
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if (a.Options.ShowCheckbox) {
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node.GetCheckbox().addEventListener("mousedown", function(e){
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e.stopPropagation();
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e.preventDefault();
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// node.Checked = !node.Checked;
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// a.CheckNode(node, node.Checked);
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node.Check(!node.IsChecked());
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});
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node.GetCheckbox().addEventListener("click", function(e){
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e.stopPropagation();
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e.preventDefault();
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// do nothing
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});
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node.GetCheckbox().addEventListener("dblclick", function(e){
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e.stopPropagation();
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e.preventDefault();
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// do nothing
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});
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}
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// node.Label.addEventListener("click", function(e){
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// e.stopPropagation();
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// e.preventDefault();
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// });
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// Highlighting
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node.Container.addEventListener("mousedown", function(e){
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e.stopPropagation();
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e.preventDefault();
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const myNode = a.getNode(e.target);
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if (myNode == null) {
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return;
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}
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a.Container.querySelectorAll("div.highlighted").forEach(function(e) {
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e.classList.remove("highlighted");
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});
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// Don't show selection
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if (!a.Options.ShowSelection) {
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return;
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}
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myNode.Container.classList.add("highlighted");
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});
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// Toggle
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node.Container.addEventListener("dblclick", function(e){
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e.stopPropagation();
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e.preventDefault();
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const myNode = a.getNode(e.target);
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if (myNode == null) {
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return;
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}
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a.Toggle(myNode);
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});
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// Invalidate state
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if (node.GetParentNode() != null) {
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if (node.GetParentNode().classList.contains("c")) {
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node.Node.classList.add("hidden");
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} else if (node.GetParentNode().classList.contains("e")) {
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node.Node.classList.remove("hidden");
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} else {
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node.GetParentNode().classList.add("e");
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node.Node.classList.remove("hidden");
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}
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}
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return true;
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};
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BBTreeview.prototype.Remove = function(id) {
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const a = this;
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const node = a.Find(id);
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if (node == null) {
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return false;
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}
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node.Remove();
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// node.Node.parentNode.removeChild(node.Node);
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// if (node.GetParentNode() != null) {
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// if (node.GetParentNode().classList.contains("e")) {
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// node.GetParentNode().classList.remove("e");
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// }
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// if (node.GetParentNode().classList.contains("c")) {
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// node.GetParentNode().classList.remove("c");
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// }
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// }
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return true;
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};
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BBTreeview.prototype.Default = function() {
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return {
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TreeviewOptions: {
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ID: null,
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ShowCheckbox: false,
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ShowSelection: true
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},
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TreeNodeOptions: {
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ID: null,
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ParentID: null,
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Name: "",
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Hint: "",
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Value: "hello",
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Icon: "folder",
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Checked: false
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}
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};
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};
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// BBTreeview.prototype.CheckNode = function(node, value) {
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// const a = this;
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// a.setNodeCheckbox(node.Node, value);
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// // Update children
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// node.Node.querySelectorAll("li").forEach(function(e) {
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// a.setNodeCheckbox(e, value);
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// });
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// // Invalidate ParentNode
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// // node.ParentNode = a.GetParentNode(node.Node);
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// // Update parent state
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// if (node.GetParentNode() != null) {
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// let uncheckedCount = 0;
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// node.GetParentNode().querySelectorAll("li").forEach(function(e) {
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// if (e.classList.contains("x")) {
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// return;
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// }
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// uncheckedCount++;
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// });
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// a.setNodeCheckbox(node.GetParentNode(), (uncheckedCount <= 0));
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// }
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// };
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BBTreeview.prototype.Clear = function() {
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const a = this;
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a.initialise(a.Options);
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};
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// BBTreeview.prototype.CollapseNode = function(node) {
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// const a = this;
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// node.Node.classList.remove("e");
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// node.Node.classList.add("c");
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// a.GetChildNodes(node.Node).forEach(function(e) {
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// e.classList.add("hidden");
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// });
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// };
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// BBTreeview.prototype.ExpandNode = function(node) {
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// const a = this;
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// node.Node.classList.remove("c");
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// node.Node.classList.add("e");
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// a.GetChildNodes(node.Node).forEach(function(e) {
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// e.classList.remove("hidden");
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// });
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// };
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BBTreeview.prototype.Find = function(id) {
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const a = this;
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const node = a.Container.querySelectorAll("li[data-bbtv-id='" + id + "']");
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if (node.length <= 0) {
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return null;
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}
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let treenode = new BBTreeviewNode(this);
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treenode.Load(node[0]);
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console.log(treenode);
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return treenode;
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// let response = {
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// ID: id,
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// Node: node[0],
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// ParentNode: a.GetParentNode(node[0]),
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// ChildNode: a.getChildNode(node[0]),
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// Container: node[0].querySelectorAll("div.li")[0],
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// Label: node[0].querySelectorAll("span")[0],
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// Checked: node[0].classList.contains("x"),
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// Checkbox: (a.Options.ShowCheckbox ? node[0].querySelectorAll("div.icon.checkbox")[0] : null),
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// Value: node[0].getAttribute("data-bbtv-value")
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// };
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// // console.log(response);
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// return response;
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};
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// BBTreeview.prototype.GetChildNodes = function(node) {
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// const a = this;
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// const childNode = a.getChildNode(node);
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// if (childNode == null) {
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// return [];
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// }
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// let nodes = childNode.querySelectorAll("li");
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// if (nodes.length <= 0) {
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// return [];
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// }
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// let result = [];
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// nodes.forEach(function(e) {
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// if (typeof(e.parentNode) == "undefined") {
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// return;
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// }
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// if (e.parentNode != childNode) {
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// return;
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// }
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// result.push(e);
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// });
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// return result;
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// };
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// BBTreeview.prototype.GetParentNode = function(node) {
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// const a = this;
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// return a.parentsUntilTagName(node, "li");
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// };
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BBTreeview.prototype.Toggle = function(node) {
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const a = this;
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if (node.Node.classList.contains("c")) {
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// a.ExpandNode(node);
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node.Expand();
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} else if (node.Node.classList.contains("e")) {
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// a.CollapseNode(node);
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node.Collapse();
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} else {
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// do nothing
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}
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};
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BBTreeview.prototype.initialise = function(options) {
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var a = this;
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a.Options = Object.assign(a.Default().TreeviewOptions, options);
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a.Container = null;
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let treeview = document.getElementsByTagName("body")[0].querySelectorAll(a.Options.ID);
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if (treeview.length <= 0) {
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return;
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}
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if (treeview[0] == null) {
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return;
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}
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a.Container = treeview[0];
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a.Container.innerHTML = "<ul class=\"bbtreeview\"></ul>";
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a.Container = a.Container.querySelectorAll("ul.bbtreeview")[0];
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};
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BBTreeview.prototype.appendHtml = function(el, html) {
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let node = document.createElement('template');
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node.innerHTML = html;
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node = node.content.firstChild;
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el.appendChild(node);
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};
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BBTreeview.prototype.generateID = function() {
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return "treeviewItem" + (Math.floor(Math.random() * 1000001) + 100).toString();
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};
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BBTreeview.prototype.generateNodeHtml = function(options) {
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const a = this;
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let html = '<li data-bbtv-id="' + options.ID + '" data-bbtv-value="' + options.Value + '">';
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html += '<div class="li">'
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if (a.Options.ShowCheckbox) {
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html += '<div class="icon checkbox"></div>';
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}
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html += '<div class="icon ' + options.Icon + '"></div>';
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html += '<span title="' + options.Hint + '">' + options.Name + '</span>';
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html += '</div>';
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html += '<ul></ul>';
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html += '</li>';
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return html;
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};
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// BBTreeview.prototype.getChildNode = function(node) {
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// const a = this;
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// let result = node.querySelectorAll("ul");
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// if (result.length <= 0) {
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// return null;
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// }
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// return result[0];
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// };
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BBTreeview.prototype.getNode = function(el) {
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const a = this;
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let node = null;
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if (a.isTag(el, "li")) {
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node = el;
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} else {
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node = a.parentsUntilTagName(el, "li");
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}
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const id = node.getAttribute("data-bbtv-id");
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if (a.isNullOrWhitespace(id)) {
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return null;
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}
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return a.Find(id);
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};
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BBTreeview.prototype.getOptions = function(options) {
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const a = this;
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let _options = Object.assign(a.Default().TreeNodeOptions, options);
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if (_options.ID == null) {
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_options.ID = a.generateID();
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}
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return _options;
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};
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BBTreeview.prototype.isNullOrWhitespace = function(value) {
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if (typeof (value) == "undefined") {
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return true;
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}
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if (value == null) {
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return true;
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}
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return (value.trim().length <= 0);
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};
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BBTreeview.prototype.isTag = function(el, tagName) {
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return (el.tagName.toLowerCase() == tagName);
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};
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BBTreeview.prototype.parentsUntilTagName = function(el, tagName) {
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const a = this;
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let node = el;
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while (true) {
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node = node.parentNode;
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if (typeof(node) == "undefined") {
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break;
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}
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if (a.isTag(node, "ul")) {
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if (node.classList.contains("bbtreeview")) {
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return null;
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}
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}
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if (a.isTag(node, tagName)) {
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break;
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}
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}
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return node;
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};
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// BBTreeview.prototype.setNodeCheckbox = function(el, value) {
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// const a = this;
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// if (value) {
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// if (!el.classList.contains("x")) {
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// el.classList.add("x");
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// }
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// } else {
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// if (el.classList.contains("x")) {
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// el.classList.remove("x");
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// }
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// }
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// };
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function BBTreeviewNode(treeview)
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{
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const a = this;
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a.Treeview = treeview;
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a.initialise();
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};
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BBTreeviewNode.prototype.Load = function(node) {
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const a = this;
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a.ID = node.getAttribute("data-bbtv-id");
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a.Node = node;
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// a.ParentNode: a.GetParentNode(node[0]);
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// a.ChildNode: a.getChildNode(node[0]);
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a.Container = node.querySelectorAll("div.li")[0];
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a.Label = node.querySelectorAll("span")[0];
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// a.Checked = a.IsChecked();
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// a.Checkbox = a.GetCheckbox();
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a.Value = node.getAttribute("data-bbtv-value");
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};
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BBTreeviewNode.prototype.Check = function(value) {
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const a = this;
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a.setCheckbox(a.Node, value);
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// Update children
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a.Node.querySelectorAll("li").forEach(function(e) {
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a.setCheckbox(e, value);
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});
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// Update parent state
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if (a.GetParentNode() != null) {
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let uncheckedCount = 0;
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a.GetParentNode().querySelectorAll("li").forEach(function(e) {
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if (e.classList.contains("x")) {
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return;
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}
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uncheckedCount++;
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});
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a.setCheckbox(a.GetParentNode(), (uncheckedCount <= 0));
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}
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};
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BBTreeviewNode.prototype.Collapse = function() {
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const a = this;
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a.Node.classList.remove("e");
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a.Node.classList.add("c");
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a.GetChildNodes().forEach(function(e) {
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e.classList.add("hidden");
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});
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};
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BBTreeviewNode.prototype.Expand = function() {
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const a = this;
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a.Node.classList.remove("c");
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a.Node.classList.add("e");
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a.GetChildNodes().forEach(function(e) {
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e.classList.remove("hidden");
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});
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};
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BBTreeviewNode.prototype.GetCheckbox = function() {
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const a = this;
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if (!a.Treeview.Options.ShowCheckbox) {
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return null;
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}
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const checkboxes = a.Node.querySelectorAll("div.icon.checkbox");
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if (typeof(checkboxes) == "undefined") {
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return null;
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}
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return checkboxes[0];
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};
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BBTreeviewNode.prototype.GetChildNode = function() {
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const a = this;
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let result = a.Node.querySelectorAll("ul");
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if (result.length <= 0) {
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return null;
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}
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return result[0];
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};
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BBTreeviewNode.prototype.GetChildNodes = function() {
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const a = this;
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const childNode = a.GetChildNode();
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if (childNode == null) {
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return [];
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}
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let nodes = childNode.querySelectorAll("li");
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if (nodes.length <= 0) {
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return [];
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}
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let result = [];
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nodes.forEach(function(e) {
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if (typeof(e.parentNode) == "undefined") {
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return;
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}
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if (e.parentNode != childNode) {
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return;
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}
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result.push(e);
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});
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return result;
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};
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BBTreeviewNode.prototype.GetParentNode = function() {
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const a = this;
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return a.parentsUntilTagName(a.Node, "li");
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};
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BBTreeviewNode.prototype.IsChecked = function() {
|
|
const a = this;
|
|
|
|
if (!a.Treeview.Options.ShowCheckbox) {
|
|
return false;
|
|
}
|
|
|
|
return a.Node.classList.contains("x");
|
|
};
|
|
|
|
BBTreeviewNode.prototype.Remove = function() {
|
|
const a = this;
|
|
|
|
if (a.GetParentNode() != null) {
|
|
if (a.GetParentNode().classList.contains("e")) {
|
|
a.GetParentNode().classList.remove("e");
|
|
}
|
|
|
|
if (a.GetParentNode().classList.contains("c")) {
|
|
a.GetParentNode().classList.remove("c");
|
|
}
|
|
}
|
|
|
|
a.Node.parentNode.removeChild(a.Node);
|
|
};
|
|
|
|
BBTreeviewNode.prototype.initialise = function() {
|
|
const a = this;
|
|
|
|
a.ID = null;
|
|
a.ParentID = null;
|
|
a.Name = "";
|
|
a.Hint = "";
|
|
a.Value = "";
|
|
a.Icon = "folder";
|
|
a.Checked = false;
|
|
};
|
|
|
|
BBTreeviewNode.prototype.isTag = function(el, tagName) {
|
|
return (el.tagName.toLowerCase() == tagName);
|
|
};
|
|
|
|
BBTreeviewNode.prototype.parentsUntilTagName = function(el, tagName) {
|
|
const a = this;
|
|
|
|
let node = el;
|
|
|
|
while (true) {
|
|
node = node.parentNode;
|
|
|
|
if (typeof(node) == "undefined") {
|
|
break;
|
|
}
|
|
|
|
if (a.isTag(node, "ul")) {
|
|
if (node.classList.contains("bbtreeview")) {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
if (a.isTag(node, tagName)) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
return node;
|
|
};
|
|
|
|
BBTreeviewNode.prototype.setCheckbox = function(el, value) {
|
|
if (value) {
|
|
if (!el.classList.contains("x")) {
|
|
el.classList.add("x");
|
|
}
|
|
} else {
|
|
if (el.classList.contains("x")) {
|
|
el.classList.remove("x");
|
|
}
|
|
}
|
|
};
|