// initialize diagram / templates
public initDiagram = (): go.Diagram => {
const component: HierarchyComponent = this;
const $ = go.GraphObject.make;
const selectedColor = document.documentElement.style.getPropertyValue("--selected-background");
// This button assumes data binding to the "checked" property.
// @ts-ignore
go.GraphObject.defineBuilder("TriStateCheckBoxButton", args => {
var button = /** @type {Panel} */ (
go.GraphObject.make("Button",
{
"ButtonBorder.fill": "white",
width: 14,
height: 14,
margin: new go.Margin(4, 4, 4, 4)
},
go.GraphObject.make(go.Shape,
{
name: "ButtonIcon",
geometryString: 'M0 0 M0 8.85 L4.9 13.75 16.2 2.45 M16.2 16.2', // a 'check' mark
strokeWidth: 2,
stretch: go.GraphObject.Fill, // this Shape expands to fill the Button
geometryStretch: go.GraphObject.Uniform, // the check mark fills the Shape without distortion
background: null,
visible: false // visible set to false: not checked, unless data.checked is true
},
new go.Binding("visible", "checked", p => p === true || p === null),
new go.Binding("stroke", "checked", p => p === null ? null : "black"),
new go.Binding("background", "checked", p => p === null ? "gray" : null)
)
)
);
// @ts-ignore
function updateCheckBoxesDown(node, val) {
node.diagram.model.setDataProperty(node.data, "checked", val);
if (val) {
component.basketStoreService.pushToBasket(new BasketItem(node.data.title, "object", node.data.supGuid, ''));
}
// @ts-ignore
node.findTreeChildrenNodes().each(child => updateCheckBoxesDown(child, val))
}
// @ts-ignore
function updateCheckBoxesUp(node) {
var parent = node.findTreeParentNode();
if (parent !== null) {
// @ts-ignore
var anychecked = parent.findTreeChildrenNodes().any(n => n.data.checked !== false && n.data.checked !== undefined);
// @ts-ignore
var allchecked = parent.findTreeChildrenNodes().all(n => n.data.checked === true);
node.diagram.model.setDataProperty(parent.data, "checked", (allchecked ? true : (anychecked ? null : false)));
updateCheckBoxesUp(parent);
}
}
button.click = (e, button) => {
if (!button.isEnabledObject()) return;
var diagram = e.diagram;
if (diagram === null || diagram.isReadOnly) return;
if (diagram.model.isReadOnly) return;
e.handled = true;
// @ts-ignore
var shape = button.findObject('ButtonIcon');
diagram.startTransaction('checkbox');
shape.visible = !shape.visible; // this toggles data.checked due to TwoWay Binding
// Set this data.checked property and those of all its children to the same value
//updateCheckBoxesDown(node, newval);
// Walk up the tree and update all of their checkboxes
//updateCheckBoxesUp(node);
// support extra side-effects without clobbering the click event handler:
var node = button.part;
var oldval = node!.data.checked;
var newval = (oldval !== true);
if(newval){
component.basketStoreService.pushToBasket(new BasketItem(node!.data.title, "object", node!.data.supGuid, ''));
}
if (typeof button["_doClick"] === "function") button["_doClick"](e, button);
diagram.commitTransaction("checkbox");
};
return button;
});
// define diagram
this.diagram = $(go.Diagram, {
allowMove: false,
allowCopy: false,
allowDelete: false,
allowHorizontalScroll: false,
layout:
$(go.TreeLayout,
{
alignment: go.TreeLayout.AlignmentStart,
angle: 0,
compaction: go.TreeLayout.CompactionNone,
layerSpacing: 16,
layerSpacingParentOverlap: 1,
nodeIndentPastParent: 1.0,
nodeSpacing: 0,
setsPortSpot: false,
setsChildPortSpot: false,
sorting: go.TreeLayout.SortingAscending,
comparer: (a: any, b: any) => {
const av = a.node.ob.title;
const bv = b.node.ob.title;
if (av < bv) return -1;
if (av > bv) return 1;
return 0;
},
})
});
// define the Node template
this.diagram.nodeTemplate =
$(go.Node, {
selectionAdorned: false,
cursor: 'pointer',
click: (e: any, node: any) => {
this.router.navigate(['space', this.spcSupGuId, 'views', (node as any).ob.dataSheet, 'objects', (node as any).ob.supGuid, 'DS']);
},
contextClick: (e: any, node: any) => {
this.rightClick.emit((node as any).ob.supGuid);
},
},
$("TreeExpanderButton", {
width: 14,
margin: new go.Margin(2, 5, 5, 5),
"ButtonBorder.fill": "whitesmoke",
"ButtonBorder.stroke": null,
"_buttonFillOver": "rgba(0,128,255,0.25)",
"_buttonStrokeOver": null
}),
$(go.Panel,
"Horizontal",
{
position: new go.Point(16, 0),
margin: new go.Margin(2, 5, 5, 5)
},
$("TriStateCheckBoxButton",
new go.Binding("visible", "checkBoxVisible", function (checkBoxVisible) {
return checkBoxVisible;
}),),
new go.Binding("background", "isSelected", (s: any, obj:any) => {
return (s ? obj.part.data.selectedColor : "transparent");
}).ofObject(),
$(go.Shape,
{
margin: new go.Margin(0, 4, 0, 0),
strokeWidth: 0,
width: 18,
height: 18
},
new go.Binding('fill', 'iconColor'),
new go.Binding("geometry", "isTreeExpanded", this.geoFunc).ofObject(),
new go.Binding("geometry", "isTreeLeaf", this.geoFunc).ofObject()),
$(go.TextBlock,
{
margin: new go.Margin(3, 20, 3, 0)
},
new go.Binding('font', 'bigfont'),
new go.Binding("text", "title", (s: any) => s))
)
);
// define the Link template
this.diagram.linkTemplate = $(go.Link);
this.diagram.model = new go.TreeModel(
this.convertedDataModel
);
this.setDefaultExpandLevel(this.diagram, this.defaultHLlevel);
this.diagram.initialContentAlignment = new go.Spot(0, 0);
this.printService.isCusomPrint = true;
this.printService.currentPrintDiagram = this.diagram;
return this.diagram;
}
I created the checkbox based on the example https://gojs.net/latest/samples/triStateCheckBoxTree.html Now I want to disable it when its selected by user. Could you please help on this