Example usage for com.vaadin.client UIDL getChildCount

Introduction

In this page you can find the example usage for com.vaadin.client UIDL getChildCount.

Prototype

public native int getChildCount()
;

Source Link

Document

Returns the number of children.

Usage

From source file:org.eclipse.hawkbit.ui.dd.client.criteria.ViewClientCriterion.java

License:Open Source License

@Override
// Exception squid:S1604 - GWT 2.7 does not support Java 8
@SuppressWarnings("squid:S1604")
public void accept(final VDragEvent drag, final UIDL configuration, final VAcceptCallback callback) {

    if (isDragStarting(drag)) {
        final NativePreviewHandler nativeEventHandler = new NativePreviewHandler() {
            @Override//w  w  w .  j a v  a 2s . c om
            public void onPreviewNativeEvent(final NativePreviewEvent event) {
                if (isEscKey(event) || isMouseUp(event)) {
                    try {
                        hideDropTargetHints(configuration);
                    } finally {
                        nativeEventHandlerRegistration.removeHandler();
                    }
                }
            }
        };

        nativeEventHandlerRegistration = Event.addNativePreviewHandler(nativeEventHandler);
        setMultiRowDragDecoration(drag);
    }

    final int childCount = configuration.getChildCount();
    accepted = false;
    for (int childIndex = 0; childIndex < childCount; childIndex++) {
        final VAcceptCriterion crit = getCriteria(configuration, childIndex);
        crit.accept(drag, configuration.getChildUIDL(childIndex), this);
        if (Boolean.TRUE.equals(accepted)) {
            callback.accepted(drag);
            return;
        }
    }

    // if no VAcceptCriterion accepts and the mouse is release, an error
    // message is shown
    if (Event.ONMOUSEUP == Event.getTypeInt(drag.getCurrentGwtEvent().getType())) {
        showErrorNotification(drag);
    }

    errorMessage = configuration.getStringAttribute(ERROR_MESSAGE);
}

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From source file:org.vaadin.tltv.multiscrolltable.client.ui.ContentPanel.java

License:Apache License

public void updateContent(UIDL uidl) {
    if (uidl == null) {
        return;/*from w ww.  j a  va 2  s  .c o m*/
    }

    int rowCount = uidl.getChildCount();
    int columnCount = (headerContainer != null) ? headerContainer.getColumnCount() : 0;
    if (rowCount == 0 || columnCount == 0) {
        return;
    }

    for (int i = 0; i < rowCount; i++) {
        UIDL rowUidl = uidl.getChildUIDL(i);

        Row row = rowContainer.createRow(i, rowUidl);
    }

    updateRowContentTop();
    setInternalContentTop();

    int[] widths = calculateMinWidthsForColumns(rowContainer.getRows());
    // Update headerContainer column widths by the cell widths
    if (headerContainer != null) {
        widths = headerContainer.setColumnMinWidths(widths);
        setColumnMinWidths(rowContainer.getRows(), widths);
    }

    rowContainer.setReConstruct(false);
}

---

From source file:org.vaadin.tltv.multiscrolltable.client.ui.HeaderPanel.java

License:Apache License

public void updateContent(UIDL uidl) {
    if (uidl == null) {
        return;/*  w  w w  .  j  a v a2s  .c o  m*/
    }

    if (uidl.getTag().equals(VCustomScrollTable.TAG_SCROLLCONTENT)) {
        int childcount = uidl.getChildCount();
        if (childcount > 0) {
            ColumnPanel prev = null;
            for (int i = 0; i < childcount; i++) {
                prev = updateContentByGroupUidl(uidl.getChildUIDL(i), 0, i, prev, null);
            }
        }

    }

    if (reConstruct) {
        columnCount = 0;
        if (content.getRowCount() > 0) {
            columnCount = content.getCellCount(content.getRowCount() - 1);
        }
    }
    reConstruct = false;
}

---

From source file:org.vaadin.tltv.multiscrolltable.client.ui.HeaderPanel.java

License:Apache License

private ColumnPanel updateContentByGroupUidl(UIDL uidl, int level, int index, ColumnPanel prevColumn,
        ColumnPanel group) {//from   w w  w .  j  a va2 s. c o m
    if (uidl == null) {
        return null;
    }

    String caption = uidl.getStringAttribute(VCustomScrollTable.ATTR_CAPTION);
    ColumnPanel p = getColumnPanel(level, index, prevColumn, group);
    updateGroupElement(p);
    p.getLabel().setText(caption);

    boolean updateColSpan = false;
    int childs = uidl.getChildCount();
    if (childs <= 0) {
        return p;
    }
    int cellCount = p.getFirstChildIndex();
    if (reConstruct) {
        // When reconstructing, p.getFirstChildIndex() value is not updated
        // yet.
        try {
            cellCount = content.getCellCount(level + 1);
        } catch (IndexOutOfBoundsException e) {
            cellCount = 0;
        }
    }
    ColumnPanel prev = null;
    for (int i = 0; i < childs; i++) {
        UIDL subUidl = uidl.getChildUIDL(i);
        if (subUidl.getTag().equals(VCustomScrollTable.TAG_COLUMN)) {
            prev = updateContentByColumnUidl(subUidl, level + 1, cellCount + i, prev, p);
            updateColSpan = reConstruct;
        } else if (subUidl.getTag().equals(VCustomScrollTable.TAG_COLUMNGROUP)) {
            prev = updateContentByGroupUidl(subUidl, level + 1, i, prev, p);
        }
    }
    if (updateColSpan) {
        // This needs to be called only for the "leaf" panels.
        p.setColSpan(childs);
    }
    return p;
}

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