Example usage for com.google.gwt.user.client.ui IndexedPanel getWidgetCount

Introduction

In this page you can find the example usage for com.google.gwt.user.client.ui IndexedPanel getWidgetCount.

Prototype

int getWidgetCount();

Source Link

Document

Gets the number of child widgets in this panel.

Usage

From source file:cc.alcina.framework.gwt.client.widget.SelectWithSearch.java

License:Apache License

@Override
public boolean filter(String filterText) {
    selectableNavigation.clear();/*  w w w.j  av  a 2s  .  com*/
    if (filterText == null) {
        filterText = lastFilterText;
    } else {
        lastFilterText = filterText;
    }
    if (isUseCellList()) {
        updateItemsCellList(filterText, (HasWidgets) itemHolder);
        return false;
    }
    filterText = filterText.toLowerCase();
    HashSet okChar = new HashSet<String>();
    boolean b = false;
    for (Label l : groupCaptions) {
        l.setVisible(filterText.length() == 0);
    }
    IndexedPanel itemHolder = itemHolderAsIndexedPanel();
    for (int i = 0; i < itemHolder.getWidgetCount(); i++) {
        Widget widget = itemHolder.getWidget(i);
        if (widget instanceof VisualFilterable) {
            VisualFilterable td = (VisualFilterable) widget;
            boolean r = td.filter(filterText);
            b |= td.filter(filterText);
        }
    }
    return b;
}

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From source file:com.allen_sauer.gwt.dnd.client.util.DOMUtil.java

License:Apache License

/**
 * Find child widget intersection at the provided location using the provided comparator strategy.
 * /* w  ww .  ja va 2s.  c om*/
 * TODO Change IndexedPanel -> InsertPanel
 * 
 * @param parent the parent widget which contains the children to be compared
 * @param location the location of the intersection
 * @param comparator the comparator strategy
 * @return the index of the matching child
 */
public static int findIntersect(IndexedPanel parent, Location location, LocationWidgetComparator comparator) {
    int widgetCount = parent.getWidgetCount();

    // short circuit in case dropTarget has no children
    if (widgetCount == 0) {
        return 0;
    }

    // use the first widget as a proxy for parent's direction
    boolean rtl = isRtl(parent.getWidget(0));

    if (DEBUG) {
        for (int i = 0; i < widgetCount; i++) {
            debugWidgetWithColor(parent, i, "white");
        }
    }

    // binary search over range of widgets to find intersection
    int low = 0;
    int high = widgetCount;

    while (true) {
        int mid = (low + high) / 2;
        assert mid >= low;
        assert mid < high;
        Widget widget = parent.getWidget(mid);
        WidgetArea midArea = new WidgetArea(widget, null);
        if (mid == low) {
            if (mid == 0) {
                if (comparator.locationIndicatesIndexFollowingWidget(midArea, location)) {
                    debugWidgetWithColor(parent, high, "green");
                    return high;
                } else {
                    debugWidgetWithColor(parent, mid, "green");
                    return mid;
                }
            } else {
                debugWidgetWithColor(parent, high, "green");
                return high;
            }
        }
        if (midArea.getBottom() < location.getTop()) {
            debugWidgetWithColor(parent, mid, "blue");
            low = mid;
        } else if (midArea.getTop() > location.getTop()) {
            debugWidgetWithColor(parent, mid, "red");
            high = mid;
        } else if (midArea.getRight() < location.getLeft()) {
            debugWidgetWithColor(parent, mid, "blue");
            if (rtl) {
                high = mid;
            } else {
                low = mid;
            }
        } else if (midArea.getLeft() > location.getLeft()) {
            debugWidgetWithColor(parent, mid, "red");
            if (rtl) {
                low = mid;
            } else {
                high = mid;
            }
        } else {
            if (comparator.locationIndicatesIndexFollowingWidget(midArea, location)) {
                debugWidgetWithColor(parent, mid + 1, "green");
                return mid + 1;
            } else {
                debugWidgetWithColor(parent, mid, "green");
                return mid;
            }
        }
    }
}

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From source file:com.allen_sauer.gwt.dnd.client.util.DOMUtil.java

License:Apache License

/**
 * TODO Change IndexedPanel -> InsertPanel
 *//*from  w  w w. j a  va 2 s .  c om*/
private static void debugWidgetWithColor(IndexedPanel parent, int index, String color) {
    if (DEBUG) {
        if (index >= parent.getWidgetCount()) {
            debugWidgetWithColor(parent.getWidget(parent.getWidgetCount() - 1), color);
        } else {
            debugWidgetWithColor(parent.getWidget(index), color);
        }
    }
}

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From source file:com.sencha.gxt.widget.core.client.container.ResizeContainer.java

License:sencha.com license

protected void forceLayoutOnChildren(IndexedPanel widgets) {
    for (int index = 0, len = widgets.getWidgetCount(); index < len; index++) {
        Widget w = widgets.getWidget(index);
        if (w instanceof HasLayout) {
            ((HasLayout) w).forceLayout();
        } else if (w instanceof HasWidgets && isWidgetVisible(w)) {
            forceLayoutOnChildren((HasWidgets) w);
        } else if (w instanceof IndexedPanel && isWidgetVisible(w)) {
            forceLayoutOnChildren((IndexedPanel) w);
        }//from  w  ww. j a  v a2  s .c o  m
    }
}

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From source file:org.activityinfo.ui.client.component.formdesigner.FormSavedGuard.java

License:Open Source License

public static FormSavedGuard getGuard(Widget widget) {
    if (widget instanceof FormSavedGuard.HasSavedGuard) {
        return (FormSavedGuard) ((HasSavedGuard) widget).getSavedGuard();
    }//from w  w w .j  ava2s . c o m
    if (widget instanceof HasOneWidget) {
        return getGuard(((HasOneWidget) widget).getWidget());
    } else if (widget instanceof IndexedPanel) {
        IndexedPanel indexedPanel = (IndexedPanel) widget;
        for (int i = 0; i < indexedPanel.getWidgetCount(); i++) {
            Widget w = indexedPanel.getWidget(i);
            FormSavedGuard guard = getGuard(w);
            if (guard != null) {
                return guard;
            }
        }
    }
    return null;
}

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From source file:org.activityinfo.ui.client.component.formdesigner.FormSavedGuard.java

License:Open Source License

/**
 * @return true HasNavigationCallback was found, otherwise false
 */// w  ww  .  j a v a  2  s  .  com
public static boolean callNavigationCallback(Widget widget, NavigationCallback callback) {
    if (widget instanceof HasNavigationCallback) {
        ((HasNavigationCallback) widget).navigate(callback);
        return true;
    }
    if (widget instanceof HasOneWidget) {
        if (callNavigationCallback(((HasOneWidget) widget).getWidget(), callback)) {
            return true;
        }
    } else if (widget instanceof IndexedPanel) {
        IndexedPanel indexedPanel = (IndexedPanel) widget;
        for (int i = 0; i < indexedPanel.getWidgetCount(); i++) {
            Widget w = indexedPanel.getWidget(i);
            if (callNavigationCallback(w, callback)) {
                return true;
            }
        }
    }
    return false;
}

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From source file:org.obiba.opal.web.gwt.app.client.ui.PropertiesTable.java

License:Open Source License

@Override
public void add(Widget child) {
    if (child instanceof IndexedPanel) {
        IndexedPanel children = (IndexedPanel) child;
        int column = 0;
        int span = 1;
        if (child instanceof PropertyPanel) {
            column = ((PropertyPanel) child).getColumn();
            span = ((PropertyPanel) child).getSpan();
        }//from w  ww  . j  av a  2 s . co m
        if (children.getWidgetCount() != 2) {
            throw new IllegalArgumentException(
                    "PropertiesGrid expects a pair of key/value widgets at row " + innerTable.getRowCount());
        }
        addProperty(children.getWidget(0), children.getWidget(1), column, span);
    } else {
        throw new IllegalArgumentException("PropertiesGrid expects child widgets being IndexedPanels");
    }
}

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From source file:org.vaadin.sasha.portallayout.client.dnd.util.DOMUtil.java

License:Apache License

/**
 * Find child widget intersection at the provided location using the
 * provided comparator strategy. TODO Handle LTR case for Bidi TODO Change
 * IndexedPanel -> InsertPanel/*from   w w w  . j ava2 s.co m*/
 * 
 * @param parent
 *            the parent widget which contains the children to be compared
 * @param location
 *            the location of the intersection
 * @param comparator
 *            the comparator strategy
 * @return the index of the matching child
 */
public static int findIntersect(IndexedPanel parent, Location location, LocationWidgetComparator comparator) {
    int widgetCount = parent.getWidgetCount();

    // short circuit in case dropTarget has no children
    if (widgetCount == 0) {
        return 0;
    }

    // binary search over range of widgets to find intersection
    int low = 0;
    int high = widgetCount;

    while (true) {
        int mid = (low + high) / 2;
        assert mid >= low;
        assert mid < high;
        Widget widget = parent.getWidget(mid);
        WidgetArea midArea = new WidgetArea(widget, null);
        if (mid == low) {
            if (mid == 0) {
                return (comparator.locationIndicatesIndexFollowingWidget(midArea, location)) ? high : mid;
            } else {
                return high;
            }
        }
        if (midArea.getBottom() < location.getTop()) {
            low = mid;
        } else if (midArea.getTop() > location.getTop()) {
            high = mid;
        } else if (midArea.getRight() < location.getLeft()) {
            low = mid;
        } else if (midArea.getLeft() > location.getLeft()) {
            high = mid;
        } else {
            return (comparator.locationIndicatesIndexFollowingWidget(midArea, location)) ? mid + 1 : mid;
        }
    }
}

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From source file:org.vaadin.sasha.portallayout.client.dnd.util.DOMUtil.java

License:Apache License

/**
 * TODO Change IndexedPanel -> InsertPanel
 *///from   w  w  w  .ja va  2s .  c o m
@SuppressWarnings("unused")
private static void debugWidgetWithColor(IndexedPanel parent, int index, String color) {
    if (DEBUG) {
        if (index >= parent.getWidgetCount()) {
            debugWidgetWithColor(parent.getWidget(parent.getWidgetCount() - 1), color);
        } else {
            debugWidgetWithColor(parent.getWidget(index), color);
        }
    }
}

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