Example usage for com.google.gwt.user.client.ui HasHorizontalAlignment getHorizontalAlignment

Introduction

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

Prototype

HorizontalAlignmentConstant getHorizontalAlignment();

Source Link

Document

Gets the horizontal alignment.

Usage

From source file:org.jbpm.formbuilder.client.effect.HorizontalAlignmentFormEffect.java

License:Apache License

@Override
protected void createStyles() {
    int index = this.alignmentBox.getSelectedIndex();
    String value = this.alignmentBox.getValue(index);
    Widget widget = getWidget();/*  ww  w.java2 s . c om*/
    if (widget instanceof HasHorizontalAlignment) {
        HasHorizontalAlignment hw = (HasHorizontalAlignment) widget;
        HorizontalAlignmentConstant align = null;
        if (i18n.AlignLeft().equals(value)) {
            align = HasHorizontalAlignment.ALIGN_LEFT;
        } else if (i18n.AlignRight().equals(value)) {
            align = HasHorizontalAlignment.ALIGN_RIGHT;
        } else if (i18n.AlignCenter().equals(value)) {
            align = HasHorizontalAlignment.ALIGN_CENTER;
        } else if (i18n.AlignJustify().equals(value)) {
            align = HasHorizontalAlignment.ALIGN_JUSTIFY;
        }
        Map<String, Object> dataSnapshot = new HashMap<String, Object>();
        dataSnapshot.put("oldAlignment", hw.getHorizontalAlignment());
        dataSnapshot.put("newAlignment", align);
        dataSnapshot.put("hwidget", hw);
        bus.fireEvent(new UndoableEvent(dataSnapshot, new UndoableHandler() {
            @Override
            public void onEvent(UndoableEvent event) {
            }

            @Override
            public void undoAction(UndoableEvent event) {
                HorizontalAlignmentConstant oldAlignment = (HorizontalAlignmentConstant) event
                        .getData("oldAlignment");
                HasHorizontalAlignment hwidget = (HasHorizontalAlignment) event.getData("hwidget");
                hwidget.setHorizontalAlignment(oldAlignment);
            }

            @Override
            public void doAction(UndoableEvent event) {
                HorizontalAlignmentConstant newAlignment = (HorizontalAlignmentConstant) event
                        .getData("newAlignment");
                HasHorizontalAlignment hwidget = (HasHorizontalAlignment) event.getData("hwidget");
                hwidget.setHorizontalAlignment(newAlignment);
            }
        }));
    }
}

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