Examples with Layer - org.gwtproject.layout.client.Layout.Layer

Example 1 with Layer

use of org.gwtproject.layout.client.Layout.Layer in project gwtproject by treblereel.

the class LayoutGwt2Test method testFillParent.

/**
 * Test that fillParent() works properly when the outer div is a child of another div, and that it
 * correctly follows that div's size.
 */
@DoNotRunWith(Platform.HtmlUnitLayout)
public void testFillParent() {
    // We don't use the default elements created in gwtSetUp() because we need
    // to test the behavior when the layout is contained by an element other
    // than the <body>.
    Document doc = Document.get();
    DivElement container = doc.createDivElement();
    DivElement parent = doc.createDivElement();
    DivElement child = doc.createDivElement();
    child.setInnerHTML("&nbsp;");
    doc.getBody().appendChild(container);
    container.appendChild(parent);
    // The container has to be position:relative so that it serves as an offset
    // parent.
    container.getStyle().setPosition(Position.RELATIVE);
    container.getStyle().setWidth(128, PX);
    container.getStyle().setHeight(256, PX);
    Layout layout = new Layout(parent);
    layout.onAttach();
    Layout.Layer layer = layout.attachChild(child);
    layer.setTopBottom(0, PX, 0, PX);
    layer.setLeftRight(0, PX, 0, PX);
    layout.fillParent();
    layout.layout();
    // Test 128x256.
    assertEquals(128, container.getOffsetWidth());
    assertEquals(256, container.getOffsetHeight());
    assertEquals(128, parent.getOffsetWidth());
    assertEquals(256, parent.getOffsetHeight());
    assertEquals(128, child.getOffsetWidth());
    assertEquals(256, child.getOffsetHeight());
    // Expand to 256x256. The layout should react automatically.
    container.getStyle().setWidth(256, PX);
    container.getStyle().setHeight(128, PX);
    assertEquals(256, container.getOffsetWidth());
    assertEquals(256, parent.getOffsetWidth());
    assertEquals(256, child.getOffsetWidth());
    layout.onDetach();
}

Also used : DivElement(org.gwtproject.dom.client.DivElement) Layer(org.gwtproject.layout.client.Layout.Layer) Document(org.gwtproject.dom.client.Document) DoNotRunWith(com.google.gwt.junit.DoNotRunWith)

Example 2 with Layer

use of org.gwtproject.layout.client.Layout.Layer in project gwtproject by treblereel.

the class CustomScrollPanel method add.

/**
 * Add a widget to the panel in the specified layer. Note that this method does not do the logical
 * attach.
 *
 * @param w the widget to add, or null to clear the widget
 * @param toReplace the widget to replace
 * @param layer the layer in which the existing widget is placed
 * @return the layer in which the new widget is placed, or null if no widget
 */
private Layer add(IsWidget w, IsWidget toReplace, Layer layer) {
    // Validate.
    if (w == toReplace) {
        return layer;
    }
    // Detach new child.
    if (w != null) {
        w.asWidget().removeFromParent();
    }
    // Remove old child.
    if (toReplace != null) {
        remove(toReplace);
    }
    Layer toRet = null;
    if (w != null) {
        // Physical attach.
        toRet = layout.attachChild(w.asWidget().getElement());
        adopt(w.asWidget());
    }
    return toRet;
}

Also used : Layer(org.gwtproject.layout.client.Layout.Layer)

Example 3 with Layer

use of org.gwtproject.layout.client.Layout.Layer in project gwtproject by treblereel.

the class DeckLayoutPanel method remove.

@Override
public boolean remove(Widget w) {
    boolean removed = super.remove(w);
    if (removed) {
        Layer layer = (Layer) w.getLayoutData();
        layout.removeChild(layer);
        w.setLayoutData(null);
        if (visibleWidget == w) {
            visibleWidget = null;
        }
        if (hidingWidget == w) {
            hidingWidget = null;
        }
        if (lastVisibleWidget == w) {
            lastVisibleWidget = null;
        }
    }
    return removed;
}

Also used : Layer(org.gwtproject.layout.client.Layout.Layer)

Example 4 with Layer

use of org.gwtproject.layout.client.Layout.Layer in project gwtproject by treblereel.

the class DeckLayoutPanel method doAfterLayout.

/**
 * Hide the widget that just slid out of view.
 */
private void doAfterLayout() {
    if (hidingWidget != null) {
        Layer layer = (Layer) hidingWidget.getLayoutData();
        setWidgetVisible(hidingWidget, layer, false);
        layout.layout();
        hidingWidget = null;
    }
}

Also used : Layer(org.gwtproject.layout.client.Layout.Layer)

Example 5 with Layer

use of org.gwtproject.layout.client.Layout.Layer in project gwtproject by treblereel.

the class DeckLayoutPanel method doBeforeLayout.

/**
 * Initialize the location of the widget that will slide into view.
 */
private void doBeforeLayout() {
    Layer oldLayer = (lastVisibleWidget == null) ? null : (Layer) lastVisibleWidget.getLayoutData();
    Layer newLayer = (visibleWidget == null) ? null : (Layer) visibleWidget.getLayoutData();
    // Calculate the direction that the new widget will enter.
    int oldIndex = getWidgetIndex(lastVisibleWidget);
    int newIndex = getWidgetIndex(visibleWidget);
    double direction = (oldIndex < newIndex) ? 100.0 : -100.0;
    double vDirection = isAnimationVertical ? direction : 0.0;
    double hDirection = isAnimationVertical ? 0.0 : LocaleInfo.getCurrentLocale().isRTL() ? -direction : direction;
    /*
     * Position the old widget in the center of the panel, and the new widget
     * off to one side. If the old widget is the same as the new widget, then
     * skip this step.
     */
    hidingWidget = null;
    if (visibleWidget != lastVisibleWidget) {
        // Position the layers in their start positions.
        if (oldLayer != null) {
            // The old layer starts centered in the panel.
            oldLayer.setTopHeight(0.0, Unit.PCT, 100.0, Unit.PCT);
            oldLayer.setLeftWidth(0.0, Unit.PCT, 100.0, Unit.PCT);
            setWidgetVisible(lastVisibleWidget, oldLayer, true);
        }
        if (newLayer != null) {
            // The new layer starts off to one side.
            newLayer.setTopHeight(vDirection, Unit.PCT, 100.0, Unit.PCT);
            newLayer.setLeftWidth(hDirection, Unit.PCT, 100.0, Unit.PCT);
            setWidgetVisible(visibleWidget, newLayer, true);
        }
        layout.layout();
        hidingWidget = lastVisibleWidget;
    }
    // Set the end positions of the layers.
    if (oldLayer != null) {
        // The old layer ends off to one side.
        oldLayer.setTopHeight(-vDirection, Unit.PCT, 100.0, Unit.PCT);
        oldLayer.setLeftWidth(-hDirection, Unit.PCT, 100.0, Unit.PCT);
        setWidgetVisible(lastVisibleWidget, oldLayer, true);
    }
    if (newLayer != null) {
        // The new layer ends centered in the panel.
        newLayer.setTopHeight(0.0, Unit.PCT, 100.0, Unit.PCT);
        newLayer.setLeftWidth(0.0, Unit.PCT, 100.0, Unit.PCT);
        /*
       * The call to layout() above could have canceled an existing layout
       * animation, which could cause this widget to be hidden if the user
       * toggles between two visible widgets. We set it visible again to ensure
       * that it ends up visible.
       */
        setWidgetVisible(visibleWidget, newLayer, true);
    }
    lastVisibleWidget = visibleWidget;
}

Also used : Layer(org.gwtproject.layout.client.Layout.Layer)

Aggregations

Layer (org.gwtproject.layout.client.Layout.Layer)13 ScheduledCommand (org.gwtproject.core.client.Scheduler.ScheduledCommand)2 DivElement (org.gwtproject.dom.client.DivElement)2 Document (org.gwtproject.dom.client.Document)2 AnimationCallback (org.gwtproject.layout.client.Layout.AnimationCallback)2 DoNotRunWith (com.google.gwt.junit.DoNotRunWith)1 Scheduler (org.gwtproject.core.client.Scheduler)1 LayerFriend (org.gwtproject.layout.client.LayerFriend)1