litesoft
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// This Source Code is in the Public Domain per: http://litesoft.org/License.txt package org.litesoft.GWT.forms.client.components.nonpublic; import org.litesoft.GWT.client.widgets.*; import org.litesoft.GWT.client.widgets.nonpublic.*; import com.google.gwt.user.client.ui.*; public class WidgetStruct implements HasAlignment { protected Widget mWidget; protected boolean mSpacer = false; protected boolean mStretchableHorizontally = false; protected boolean mFloodsX = false; protected HorizontalAlignmentConstant mHorizontalAlignment = null; protected boolean mStretchableVertically = false; protected boolean mFloodsY = false; protected VerticalAlignmentConstant mVerticalAlignment = null; public WidgetStruct( Widget pWidget ) { mWidget = pWidget; if ( pWidget instanceof ISizeableWidget ) { ISizeableWidget w = (ISizeableWidget) pWidget; mStretchableHorizontally = w.getWidthHelper().isStretchable(); mStretchableVertically = w.getHeightHelper().isStretchable(); mSpacer = (pWidget instanceof SizeableSpacer); } } public Widget getWidget() { return mWidget; } public boolean isSpacer() { return mSpacer; } public boolean isStretchableHorizontally() { return mStretchableHorizontally; } public boolean isFloodsX() { return mFloodsX; } public boolean hasHorizontalAlignment() { return (mHorizontalAlignment != null); } @Override public HorizontalAlignmentConstant getHorizontalAlignment() { return mHorizontalAlignment; } @Override public void setHorizontalAlignment( HorizontalAlignmentConstant align ) { throw new UnsupportedOperationException( "HorizontalAlignment auto determined" ); } public boolean isStretchableVertically() { return mStretchableVertically; } public boolean isFloodsY() { return mFloodsY; } public boolean hasVerticalAlignment() { return (mVerticalAlignment != null); } @Override public VerticalAlignmentConstant getVerticalAlignment() { return mVerticalAlignment; } @Override public void setVerticalAlignment( VerticalAlignmentConstant align ) { throw new UnsupportedOperationException( "VerticalAlignment auto determined" ); } public void center() { if ( !isStretchableHorizontally() && !isFloodsX() && (mHorizontalAlignment == null) ) { mHorizontalAlignment = ALIGN_CENTER; } if ( !isStretchableVertically() && !isFloodsY() && (mVerticalAlignment == null) ) { mVerticalAlignment = ALIGN_MIDDLE; } } } |