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// This Source Code is in the Public Domain per: http://unlicense.org |
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package org.litesoft.GWT.client.widgets.nonpublic; |
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import org.litesoft.GWT.client.widgets.nonpublic.external.*; |
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import org.litesoft.logger.*; |
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import com.google.gwt.user.client.ui.*; |
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public abstract class AbstractSizeableHorizontalSplitPairPanel extends AbstractSizeableHorizontalPanel { |
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private static final Logger LOGGER_HSP = LoggerFactory.getLogger( "HSP" ); |
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@Override |
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protected void initialize() { |
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super.initialize(); |
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LLstretchableHorizontally(); |
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} |
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@Override |
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protected boolean aboutToAdopt( Widget pWidget, int pBeforeIndex ) { |
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if ( pWidget instanceof Splitter ) { |
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throw new IllegalArgumentException( "Attempt to add Splitter directly" ); |
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} |
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if ( !getSizeableWidget( pWidget ).getWidthHelper().isStretchable() ) { |
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throw new IllegalArgumentException( "Attempt to add widget to Horizontal Split Pair Panel that does NOT support Horizontal Stretchability" ); |
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} |
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if ( !isOur( pWidget ) && (getWidgetCount() == 3) ) { |
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throw new IllegalArgumentException( "Horizontal Split Pair Panel only supports TWO Horizontal Stretchables" ); |
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} |
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return super.aboutToAdopt( pWidget, pBeforeIndex ); |
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} |
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@Override |
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protected void justAdopted( Widget pWidget, int pWidgetIndex ) { |
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super.justAdopted( pWidget, pWidgetIndex ); |
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// Since we only support 2 real widgets, they could be disordered in regards to the splitter |
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dropSplitters(); |
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if ( getWidgetCount() == 2 ) { |
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LLadopt( createSplitter( 1 ), 1 ); |
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} |
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} |
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@Override |
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protected void justDisowned( Widget pWidget, int pWidgetIndex ) { |
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super.justDisowned( pWidget, pWidgetIndex ); |
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// Since we only support 2 real widgets, any disowned should remove the splitter |
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dropSplitters(); |
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} |
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private void dropSplitters() { |
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for ( int i = getWidgetCount(); --i >= 0; ) { |
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Widget widget = getWidget( i ); |
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if ( widget instanceof Splitter ) { |
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LLdisown( widget, i ); |
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} |
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} |
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} |
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protected Widget createSplitter( int pIndex ) { |
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Splitter result = new Splitter( "litesoft-SplitterForHorizontalPair" ); |
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result.stretchableVertically(); |
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result.addController( new DragController( |
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new MousePerformanceFilter( new MouseDragHandler( new AbstractSizeableHorizontalSplitPairPanel.HorizontalSplitterDragger( this, pIndex ) ) ) ) ); |
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return result; |
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} |
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private class HorizontalSplitterDragger extends AbstractSplitterDragger { |
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public HorizontalSplitterDragger( AbstractSizeableOneDimensionalPanel panel, int pIndex ) { |
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super( panel, pIndex ); |
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} |
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@Override |
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protected boolean dragBy( int pDeltaX, int pDeltaY ) { |
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return adjustSizesBy( getSizeableAt( mIndex - 1 ).getWidthHelper(), // |
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getSizeableAt( mIndex + 1 ).getWidthHelper(), // |
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pDeltaX ); |
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} |
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} |
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@Override |
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public void setWidth( String width ) { |
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super.setWidth( width ); // for stacktrace Debugging |
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} |
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@Override |
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public void setHeight( String height ) { |
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LOGGER_HSP.error().log( "setHeight: " + height ); |
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super.setHeight( height ); // for stacktrace Debugging |
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} |
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private boolean mFavorFirstWidget; |
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protected void setFavorFirstWidget() { |
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mFavorFirstWidget = true; |
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} |
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@Override |
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protected void distributeToChildrenChangedWidth() { |
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if ( anyChildren() ) { |
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getHelper().distributeDimensionToChild( this, getWidthHelper(), mFavorFirstWidget ? getFirstWidget() : getLastWidget() ); |
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} |
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} |
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} |
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// This Source Code is in the Public Domain per: http://unlicense.org |
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package org.litesoft.GWT.client.widgets.nonpublic; |
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import org.litesoft.GWT.client.widgets.nonpublic.external.*; |
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import org.litesoft.logger.*; |
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import com.google.gwt.user.client.ui.*; |
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public abstract class AbstractSizeableHorizontalSplitPairPanel extends AbstractSizeableHorizontalPanel { |
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private static final Logger LOGGER_HSP = LoggerFactory.getLogger( "HSP" ); |
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@Override |
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protected void initialize() { |
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super.initialize(); |
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LLstretchableHorizontally(); |
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} |
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@Override |
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protected boolean aboutToAdopt( Widget pWidget, int pBeforeIndex ) { |
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if ( pWidget instanceof Splitter ) { |
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throw new IllegalArgumentException( "Attempt to add Splitter directly" ); |
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} |
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if ( !getSizeableWidget( pWidget ).getWidthHelper().isStretchable() ) { |
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throw new IllegalArgumentException( "Attempt to add widget to Horizontal Split Pair Panel that does NOT support Horizontal Stretchability" ); |
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} |
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if ( !isOur( pWidget ) && (getWidgetCount() == 3) ) { |
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throw new IllegalArgumentException( "Horizontal Split Pair Panel only supports TWO Horizontal Stretchables" ); |
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} |
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return super.aboutToAdopt( pWidget, pBeforeIndex ); |
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} |
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@Override |
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protected void justAdopted( Widget pWidget, int pWidgetIndex ) { |
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super.justAdopted( pWidget, pWidgetIndex ); |
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// Since we only support 2 real widgets, they could be disordered in regards to the splitter |
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dropSplitters(); |
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if ( getWidgetCount() == 2 ) { |
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LLadopt( createSplitter( 1 ), 1 ); |
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} |
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} |
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@Override |
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protected void justDisowned( Widget pWidget, int pWidgetIndex ) { |
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super.justDisowned( pWidget, pWidgetIndex ); |
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// Since we only support 2 real widgets, any disowned should remove the splitter |
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dropSplitters(); |
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} |
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private void dropSplitters() { |
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for ( int i = getWidgetCount(); --i >= 0; ) { |
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Widget widget = getWidget( i ); |
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if ( widget instanceof Splitter ) { |
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LLdisown( widget, i ); |
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} |
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} |
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} |
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protected Widget createSplitter( int pIndex ) { |
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Splitter result = new Splitter( "litesoft-SplitterForHorizontalPair" ); |
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result.stretchableVertically(); |
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result.addController( new DragController( |
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new MousePerformanceFilter( new MouseDragHandler( new AbstractSizeableHorizontalSplitPairPanel.HorizontalSplitterDragger( this, pIndex ) ) ) ) ); |
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return result; |
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} |
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private class HorizontalSplitterDragger extends AbstractSplitterDragger { |
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public HorizontalSplitterDragger( AbstractSizeableOneDimensionalPanel panel, int pIndex ) { |
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super( panel, pIndex ); |
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} |
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@Override |
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protected boolean dragBy( int pDeltaX, int pDeltaY ) { |
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return adjustSizesBy( getSizeableAt( mIndex - 1 ).getWidthHelper(), // |
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getSizeableAt( mIndex + 1 ).getWidthHelper(), // |
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pDeltaX ); |
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} |
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} |
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@Override |
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public void setWidth( String width ) { |
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super.setWidth( width ); // for stacktrace Debugging |
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} |
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@Override |
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public void setHeight( String height ) { |
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LOGGER_HSP.error().log( "setHeight: " + height ); |
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super.setHeight( height ); // for stacktrace Debugging |
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} |
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private boolean mFavorFirstWidget; |
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protected void setFavorFirstWidget() { |
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mFavorFirstWidget = true; |
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} |
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@Override |
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protected void distributeToChildrenChangedWidth() { |
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if ( anyChildren() ) { |
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getHelper().distributeDimensionToChild( this, getWidthHelper(), mFavorFirstWidget ? getFirstWidget() : getLastWidget() ); |
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} |
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} |
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} |