GoJS ContextMenu 右键菜单

GoJS About 7,422 words

ContextMenu

ContextMenu的类型是Adornment，整个继承关系是

> GraphObject
    > Panel
        > Part
            > Adornment

ContextMenuButton

ButtonBorder.fill：按钮背景填充色
ButtonBorder.stroke：按钮边框颜色
ButtonBorder.strokeWidth：按钮边框线条宽度
_buttonFillOver：按钮悬停背景填充色
_buttonStrokeOver：按钮悬停边框颜色
_buttonFillPressed：按钮按压背景填充色
_buttonStrokePressed：按钮按压边框色

主要代码

{
    contextMenu: $("ContextMenu", "Vertical",
        {
            background: "transparent",
            width: 100,
        },
        $("ContextMenuButton",
            {
                "ButtonBorder.fill": "white",
                "ButtonBorder.stroke": "darkcyan",
                "ButtonBorder.strokeWidth": 3,
                "_buttonFillOver": "#E9F5FF",
                "_buttonStrokeOver": "darkcyan",
                "_buttonStrokePressed": "darkcyan",
                "_buttonFillPressed": "pink",
                visible: true,
                margin: new go.Margin(10, 0, 10, 0),
            },
            $(go.TextBlock, {
                text: "Alert3",
                margin: new go.Margin(10, 0, 10, 0),
            }),
            {
                cursor: "pointer",
                click: (e, obj) => {
                    console.log(obj)
                    alert(obj.part.data.key + ":3")
                },
            }
        )
    ),
}

完整代码

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="https://cdn.staticfile.org/gojs/2.1.38/go.js" crossorigin="anonymous"></script>
    <style>
        #myDiagramDiv canvas {
            outline: none;
        }
    </style>
</head>

<body style="margin: 0;">

    <div id="myDiagramDiv" style="width:500px; height:300px;background: #E4E7EB"></div>
    <script>

        var $ = go.GraphObject.make;

        var diagram = $(go.Diagram, "myDiagramDiv",
            {
                allowHorizontalScroll: false,
                allowVerticalScroll: false,
                allowMove: false,
                allowSelect: true
            }
        );

        diagram.nodeTemplate =
            $(go.Node, "Auto",
                $(go.Shape, "Circle",
                    {
                        stroke: "green",
                        strokeWidth: 2,
                        fill: "red",
                        desiredSize: new go.Size(60, 60),
                    },
                ),
                $(go.TextBlock,
                    { margin: 3 },
                    new go.Binding("text", "key")
                ),
                {
                    contextMenu: $("ContextMenu", "Vertical",
                        {
                            background: "transparent",
                            width: 100,
                        },
                        $("ContextMenuButton",
                            {
                                "ButtonBorder.fill": "white",
                                "_buttonFillOver": "#E9F5FF",
                                "_buttonFillPressed": "red",
                                visible: true,
                            },
                            $(go.TextBlock, {
                                text: "Alert1",
                                margin: new go.Margin(10, 0, 10, 0),
                            }),
                            {
                                cursor: "pointer",
                                click: (e, obj) => {
                                    alert(obj.part.data.key + ":1")
                                },
                            }
                        ),
                        $("ContextMenuButton",
                            {
                                "ButtonBorder.fill": "white",
                                "_buttonFillOver": "#E9F5FF",
                            },
                            new go.Binding("visible", "visible"),
                            $(go.TextBlock, {
                                text: "Alert2",
                                margin: new go.Margin(10, 0, 10, 0),
                            }),
                            {
                                cursor: "pointer",
                                click: (e, obj) => {
                                    alert(obj.part.data.key + ":2")
                                },
                            }
                        ),
                        $("ContextMenuButton",
                            {
                                "ButtonBorder.fill": "white",
                                "ButtonBorder.stroke": "darkcyan",
                                "ButtonBorder.strokeWidth": 3,
                                "_buttonFillOver": "#E9F5FF",
                                "_buttonStrokeOver": "darkcyan",
                                "_buttonStrokePressed": "darkcyan",
                                "_buttonFillPressed": "pink",
                                visible: true,
                                margin: new go.Margin(10, 0, 10, 0),
                            },
                            $(go.TextBlock, {
                                text: "Alert3",
                                margin: new go.Margin(10, 0, 10, 0),
                            }),
                            {
                                cursor: "pointer",
                                click: (e, obj) => {
                                    console.log(obj)
                                    alert(obj.part.data.key + ":3")
                                },
                            }
                        )
                    ),
                },
            );

        diagram.model = new go.Model(
            [
                { key: "Circle", visible: false },
            ]
        );

    </script>
</body>

</html>

官方文档

https://gojs.net/latest/intro/contextmenus.html

Views: 2,495 · Posted: 2021-11-20

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