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litesoft / trunk / GWT_Sandbox / Prioritizer / src / org / litesoft / prioritizer / client / ui / views / stories / AbstractPrioritizeScreenView.java
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package org.litesoft.prioritizer.client.ui.views.stories; import org.litesoft.GWT.client.*; import org.litesoft.GWT.client.view.*; import org.litesoft.GWT.client.widgets.Button; import org.litesoft.GWT.client.widgets.*; import org.litesoft.GWT.client.widgets.datatables.*; import org.litesoft.GWT.forms.client.*; import org.litesoft.bo.views.*; import org.litesoft.commonfoundation.base.*; import org.litesoft.core.util.*; import org.litesoft.prioritizer.client.boviews.*; import org.litesoft.prioritizer.client.support.*; import org.litesoft.uispecification.*; import com.google.gwt.core.client.*; import com.google.gwt.event.dom.client.*; import com.google.gwt.event.logical.shared.*; import com.google.gwt.user.client.*; import com.google.gwt.user.client.ui.*; import java.util.*; public abstract class AbstractPrioritizeScreenView extends ScreenView implements StoryViewNames, SimpleDataProviderCallBack, DataAvailableCallBack<StoryView> { protected final String mWhat; protected final StoryViewDataProvider mDP = StoryViewDataProvider.getInstance(); protected final ListTableModel<StoryView> mTableModel = new ListTableModel<StoryView>(); protected final CheckBoxSelectRegularTable<StoryView> mTable; protected final MoveControlPanel mMoveControlPanel; private Set<StoryView> mSavedSelectedValues = null; private Integer mTopRowOffset = null; @Override protected UriFragmentIdParams createRefreshParams() { return ReprioritizeFactory.encodeParams( mTopRowOffset ); } public AbstractPrioritizeScreenView( String pSection, ViewDef pViewDef, String pWhat, boolean pAddUpDown, BoTableDefinition<StoryView> pTableDef, Integer pTopRowOffset ) { super( title( pSection, pViewDef ) ); mTopRowOffset = pTopRowOffset; mWhat = pWhat; addRight( Button.named( "Refresh" ).blue().text().add( new ClickHandler() { @Override public void onClick( ClickEvent event ) { fetchRows(); } } ).create() ); addStandardTitleBar(); addSectionTitle( mWhat ); mMoveControlPanel = new MoveControlPanel( pAddUpDown ); mTable = new CheckBoxSelectRegularTable<StoryView>( mTableModel, pTableDef, mMoveControlPanel ); SizeableHorizontalPanel zPanel = new SizeableHorizontalPanel().stretchable(); zPanel.add( mTable ); zPanel.add( mMoveControlPanel ); add( zPanel ); } @Override protected void justLoaded() { super.justLoaded(); fetchRows(); } abstract protected void fetchRows(); protected FetchRowsDataProviderCallBack<StoryView> createFetchRowsCallBack() { return new FetchRowsDataProviderCallBack<StoryView>() { @Override public void tooMany( long pCount ) { systemError( "System Error: Should not happen", // "Found " + pCount + " " + mWhat + ".", // "This is more than the application is willing to display." ); } @Override public void error( String pError ) { systemError( "Requesting " + mWhat + " - Errored", // "", // "Error: " + pError ); } @Override public void success( ImmutableArrayList<StoryView> pRows ) { if ( pRows.isEmpty() ) { backToHome( "Nothing to " + mWhat ); return; } mTableModel.clear(); mTableModel.addAll( pRows ); Collections.sort( mTableModel ); mTable.loadData(); mTable.deselectAll(); mMoveControlPanel.handleButtons( reselectAll() ); } private Set<StoryView> reselectAll() { boolean zFound = false; if ( mSavedSelectedValues != null ) { for ( StoryView zValue : mSavedSelectedValues ) { if ( mTable.selectRow( zValue ) ) { zFound = true; } } mSavedSelectedValues = null; } return zFound ? mTable.getSelectedValues() : null; } }; } @Override public void error( String pError ) { if ( Currently.isNotNullOrEmpty( pError ) ) { systemError( "Requested Prioritizing - Errored", // "", // "Error: " + pError ); } else { fetchRows(); } } @Override public Widget getBottomBar() { return null; } protected static class TableDef extends BoTableDefinition<StoryView> implements StoryViewNames, DataTableStyle { public TableDef() { StoryViewMetaData zMD = StoryViewMetaData.getInstance(); addColumn( zMD.getBoAttribute( aName ) ); // .initialWidth( FontSizer.get( TABLE_TEXT ).EMsPlus( 20, CELL_PADDING ) ); addColumn( zMD.getBoAttribute( aDescriptionThreeLines ), "Description" ); // .initialWidth( FontSizer.get( TABLE_TEXT ).EMsPlus( 40, CELL_PADDING ) ); } } private class MoveControlPanel extends VerticalPanel implements SelectionHandler<StoryView> { private final Button mBetweenButton, mUpButton, mDownButton; private final List<GroupMover> mGroupMovers = new ArrayList<GroupMover>(); private MoveControlPanel( boolean pAddUpDown ) { mBetweenButton = Button.named( "Between" ).blue().text( "To There" ).add( new ClickHandler() { @Override public void onClick( ClickEvent event ) { reprioritizeBetween(); } } ).create().disable(); mUpButton = Button.named( "Up" ).blue().text().add( new ClickHandler() { @Override public void onClick( ClickEvent event ) { reprioritizeUp(); } } ).create().disable(); mDownButton = Button.named( "Down" ).blue().text().add( new ClickHandler() { @Override public void onClick( ClickEvent event ) { reprioritizeDown(); } } ).create().disable(); setHorizontalAlignment( VerticalPanel.ALIGN_CENTER ); add( new Label( "Move..." ) ); add( new Spacer( 20 ) ); add( mBetweenButton ); add( new Spacer( 20 ) ); PriorityGroup[] zGroups = PriorityGroup.values(); for ( int i = zGroups.length; --i >= 0; ) { PriorityGroup zGroup = zGroups[i]; if ( PriorityGroup.Initial != zGroup ) { GroupMover zMover = new GroupMover( zGroup ); mGroupMovers.add( zMover ); add( zMover.getButton() ); } } add( new Spacer( 20 ) ); if ( pAddUpDown ) { add( mUpButton ); add( mDownButton ); } } @Override protected void onAttach() { super.onAttach(); sameSizeButtons(); } private void sameSizeButtons() { if ( isAttached() ) { Integer zMaxWidth = getMaxControlButtonWidth(); if ( zMaxWidth != null ) { setControlButtonSameWidth( zMaxWidth ); return; } } Scheduler.get().scheduleDeferred( new Command() { @Override public void execute() { sameSizeButtons(); } } ); } private Integer getMaxControlButtonWidth() { int zMaxWidth = mBetweenButton.getOffsetWidth(); for ( Widget zWidget : getChildren() ) { if ( zWidget instanceof Button ) { zMaxWidth = Math.max( zMaxWidth, zWidget.getOffsetWidth() ); } } return (zMaxWidth > 30) ? zMaxWidth : null; } private void setControlButtonSameWidth( int pWidth ) { String zWidth = "" + pWidth; for ( Widget zWidget : getChildren() ) { if ( zWidget instanceof Button ) { zWidget.setWidth( zWidth ); } } } @Override public void onSelection( SelectionEvent<StoryView> event ) { handleButtons( mTable.getSelectedValues() ); } private void handleButtons( Set<StoryView> pSelectedValues ) { boolean zAnySelected = (pSelectedValues != null) && !pSelectedValues.isEmpty(); mBetweenButton.setEnabled( zAnySelected && betweenable( pSelectedValues ) ); mUpButton.setEnabled( zAnySelected && upable( pSelectedValues ) ); mDownButton.setEnabled( zAnySelected && downable( pSelectedValues ) ); for ( GroupMover zMover : mGroupMovers ) { zMover.setEnable( zAnySelected, pSelectedValues ); } } } private class GroupMover implements ClickHandler { private PriorityGroup mGroup; private Button mButton; private GroupMover( PriorityGroup pGroup ) { mGroup = pGroup; mButton = Button.named( mGroup.name() ).blue().text().add( this ).create().disable(); } public Button getButton() { return mButton; } @Override public void onClick( ClickEvent event ) { reprioritizeToGroup( mGroup ); } public void setEnable( boolean pAnySelected, Set<StoryView> pSelectedValues ) { mButton.setEnabled( pAnySelected && applicable( pSelectedValues ) ); } private boolean applicable( Set<StoryView> pSelectedValues ) { for ( StoryView zStoryView : pSelectedValues ) { if ( mGroup != PriorityGroup.from( zStoryView.getPriority() ) ) { return true; } } return false; } } abstract protected boolean betweenable( Set<StoryView> pSelectedValues ); protected boolean upable( Set<StoryView> pSelectedValues ) { return !isAtEdge( pSelectedValues, 0 ); } protected boolean downable( Set<StoryView> pSelectedValues ) { return !isAtEdge( pSelectedValues, mTableModel.size() - 1 ); } protected boolean isAtEdge( Set<StoryView> pSelectedValues, int pEdge ) { for ( StoryView zStoryView : pSelectedValues ) { if ( mTableModel.indexOf( zStoryView ) == pEdge ) { return true; } } return false; } private void reprioritizeUp() { int zMin = mTableModel.size(); for ( StoryView zStoryView : mTable.getSelectedValues() ) { zMin = Math.min( zMin, mTableModel.indexOf( zStoryView ) ); } if ( zMin != mTableModel.size() ) { reprioritizeBetween( mSavedSelectedValues = mTable.getSelectedValues(), getStoryView( zMin - 1 ), getStoryView( zMin - 2 ) ); } } private void reprioritizeDown() { int zMax = -1; for ( StoryView zStoryView : mTable.getSelectedValues() ) { zMax = Math.max( zMax, mTableModel.indexOf( zStoryView ) ); } if ( zMax != -1 ) { reprioritizeBetween( mSavedSelectedValues = mTable.getSelectedValues(), getStoryView( zMax + 2 ), getStoryView( zMax + 1 ) ); } } private void reprioritizeBetween( StoryView pLowerBound, StoryView pUpperBound ) { reprioritizeBetween( mTable.getSelectedValues(), pLowerBound, pUpperBound ); } private void reprioritizeBetween( Set<StoryView> pSelectedValues, StoryView pLowerBound, StoryView pUpperBound ) { mDP.reprioritizeBetween( pLowerBound, pUpperBound, pSelectedValues, this ); } private void reprioritizeToGroup( PriorityGroup pGroup ) { mDP.reprioritizeToGroup( pGroup, mTable.getSelectedValues(), this ); } private StoryView getStoryView( int pIndex ) { return ((0 <= pIndex) && (pIndex < mTableModel.size())) ? mTableModel.get( pIndex ) : null; } abstract protected void fetchTargetBetweenRows( final DataAvailableCallBack<StoryView> pCallBack ); private void reprioritizeBetween() { fetchTargetBetweenRows( this ); } @Override public void dataAvailable( List<StoryView> pData ) // called when we can proceed with the InjectionPointSelector { if ( pData.isEmpty() ) { error( "There are Nothing but " + PriorityGroup.Initial + " priority Stories" ); return; } Set<StoryView> zSelectedRows = mTable.getSelectedValues(); List<StoryView> zNonSelectedRows = new ArrayList<StoryView>( pData.size() ); for ( StoryView zStoryView : pData ) { if ( !zSelectedRows.contains( zStoryView ) ) { zNonSelectedRows.add( zStoryView ); } } if ( zNonSelectedRows.isEmpty() ) { error( "At least one Story must not be selected" ); return; } new InjectionPointSelectionDialog<StoryView>( "Select 'There' to Move Selected Rows", 4, zNonSelectedRows, new InjectionPointSelector.Callback<StoryView>() { @Override public void injectBetween( StoryView pLowerBound, StoryView pUpperBound ) { reprioritizeBetween( pLowerBound, pUpperBound ); } } ).show(); } } |
Commits for litesoft/trunk/GWT_Sandbox/Prioritizer/src/org/litesoft/prioritizer/client/ui/views/stories/AbstractPrioritizeScreenView.java
Revision | Author | Commited | Message |
---|---|---|---|
950 Diff | GeorgeS | Thu 19 Jun, 2014 17:57:04 +0000 | New Lines |
948 Diff | GeorgeS | Sat 07 Jun, 2014 23:42:39 +0000 | Jusefuls Formatter Updated to New Code Format |
939 Diff | GeorgeS | Mon 02 Jun, 2014 21:30:31 +0000 | Extracting commonfoundation |
802 Diff | GeorgeS | Wed 15 Aug, 2012 04:04:47 +0000 | |
487 Diff | GeorgeS | Thu 08 Sep, 2011 12:06:30 +0000 | More elimination of uniqueness |
480 Diff | GeorgeS | Sun 04 Sep, 2011 02:38:20 +0000 | Progress on common User Support... |
398 | GeorgeS | Mon 15 Aug, 2011 19:57:47 +0000 |