TypeScript StackLayout.ensureDomNode方法代碼示例

本文整理匯總了TypeScript中tns-core-modules/ui/layouts/stack-layout.StackLayout.ensureDomNode方法的典型用法代碼示例。如果您正苦於以下問題：TypeScript StackLayout.ensureDomNode方法的具體用法？TypeScript StackLayout.ensureDomNode怎麽用？TypeScript StackLayout.ensureDomNode使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類tns-core-modules/ui/layouts/stack-layout.StackLayout的用法示例。

在下文中一共展示了StackLayout.ensureDomNode方法的4個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的TypeScript代碼示例。

示例1: test_childNodeRemoved_in_dom_node

export function test_childNodeRemoved_in_dom_node() {
    let childNodeRemovedCalled = false;
    let actualRemovedNodeId = 0;
    let expectedRemovedNodeId = 0;

    currentInspector.childNodeRemoved = (parentId, nodeId) => {
        childNodeRemovedCalled = true;
        actualRemovedNodeId = nodeId;
    }

    const stack = new StackLayout();
    stack.ensureDomNode();

    const btn1 = new Button();
    btn1.text = "button1";
    expectedRemovedNodeId = btn1._domId;
    stack.addChild(btn1);

    const btn2 = new Button();
    btn2.text = "button2";
    stack.addChild(btn2);

    stack.removeChild(btn1);
    console.log("btn2: " + btn2);

    assert(childNodeRemovedCalled, "global.__inspector.childNodeRemoved not called.");
    assertEqual(actualRemovedNodeId, expectedRemovedNodeId);
}

開發者ID:sitefinitysteve，項目名稱:NativeScript，代碼行數:28，代碼來源:dom-node-tests.ts

示例2: test_childNodeInserted_at_index_in_dom_node

export function test_childNodeInserted_at_index_in_dom_node() {
    const stack = new StackLayout();
    stack.ensureDomNode();

    // child index 0
    const btn1 = new Button();
    btn1.text = "button1";
    stack.addChild(btn1);

    // child index 1
    const btn2 = new Button();
    btn2.text = "button2";
    stack.addChild(btn2);

    // child index 2
    const btn3 = new Button();
    btn3.text = "button3";
    stack.addChild(btn3);

    const lbl = new Label();
    lbl.text = "label me this";

    let called = false;
    currentInspector.childNodeInserted = (parentId, lastNodeId, node) => {
        assertEqual(lastNodeId, btn1._domId, "Child inserted at index 1's previous sibling does not match.");
        assertEqual(JSON.parse(node).nodeId, lbl._domId, "Child id doesn't match");
        called = true;
    }

    stack.insertChild(lbl, 1);
    assert(called, "childNodeInserted not called");
}

開發者ID:sitefinitysteve，項目名稱:NativeScript，代碼行數:32，代碼來源:dom-node-tests.ts

示例3: test_childNodeInserted_in_dom_node

export function test_childNodeInserted_in_dom_node() {
    let childNodeInsertedCalled = false;
    let actualParentId = 0;
    let expectedParentId = 0;

    currentInspector.childNodeInserted = (parentId, lastNodeId, node) => {
        childNodeInsertedCalled = true;
        actualParentId = parentId;
    }

    const stack = new StackLayout();
    stack.ensureDomNode();
    expectedParentId = stack._domId;

    const btn1 = new Button();
    btn1.text = "button1";
    stack.addChild(btn1);

    assert(childNodeInsertedCalled, "global.__inspector.childNodeInserted not called.");
    assertEqual(actualParentId, expectedParentId);
}

開發者ID:sitefinitysteve，項目名稱:NativeScript，代碼行數:21，代碼來源:dom-node-tests.ts

示例4: test_inspector_ui_removeNode

export function test_inspector_ui_removeNode() {
    let childNodeRemovedCalled = false;
    let stack = new StackLayout();
    let label = new Label();
    stack.addChild(label);

    stack.ensureDomNode();
    label.ensureDomNode();

    let expectedParentId = stack.domNode.nodeId;
    let expectedNodeId = label.domNode.nodeId;

    currentInspector.childNodeRemoved = (parentId, nodeId) => {
        childNodeRemovedCalled = true;
        assertEqual(parentId, expectedParentId);
        assertEqual(nodeId, expectedNodeId);
    }

    currentInspector.removeNode(label.domNode.nodeId);

    assert(childNodeRemovedCalled, "childNodeRemoved callback not called.");
}

開發者ID:sitefinitysteve，項目名稱:NativeScript，代碼行數:22，代碼來源:dom-node-tests.ts

注：本文中的tns-core-modules/ui/layouts/stack-layout.StackLayout.ensureDomNode方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。