litesoft
@ 947
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// This Source Code is in the Public Domain per: http://unlicense.org package org.litesoft.GWT.forms.client.components.impls.input; import org.litesoft.GWT.client.*; import org.litesoft.GWT.client.widgets.Button; import org.litesoft.GWT.client.widgets.*; import org.litesoft.GWT.client.widgets.nonpublic.*; import org.litesoft.GWT.forms.client.components.nonpublic.*; import org.litesoft.core.simpletypes.*; 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.*; public abstract class FormImageSelector extends AbstractFocusWidgetErrorableFormElement implements ISizeableWidget { public static final String NO_IMAGE = "common/images/misc/tmp/NotAvailable.gif"; protected PopupPanel mPicker; private boolean mViewOnly; private SizeableDualImage mDualImage = new SizeableDualImage(); protected Button mPickerButton = null; protected String mPickerButtonTooltip = ""; private boolean mBlurring = false; private boolean mPicking = false; protected ResourceKeyNameURL mCurrentResourceKeyNameURL = null; protected ISizeableDimensionHelper mWidthHelper; protected ISizeableDimensionHelper mHeightHelper; public FormImageSelector( String pFieldLabel, UiFont pLabelFont, String pTooltip, boolean pViewOnly, Integer pInitialWidth, boolean pWidthNotStretchable, Integer pInitialHeight, boolean pHeightNotStretchable ) { super( new MyFocusPanel(), pTooltip, "frmImageSelector", false ); mViewOnly = pViewOnly; mWidthHelper = pWidthNotStretchable ? NullWidthHelper.INSTANCE : new StretchableWidthHelper( this ); mHeightHelper = pHeightNotStretchable ? NullHeightHelper.INSTANCE : new StretchableHeightHelper( this ); initialize( pFieldLabel, pLabelFont, pTooltip ); MyFocusPanel zFocusPanel = (MyFocusPanel) mInputWidget; zFocusPanel.add( mDualImage ); zFocusPanel.addMouseDownHandler( new MouseDownHandler() { @Override public void onMouseDown( MouseDownEvent event ) { setFocus(); } } ); if ( pInitialWidth != null ) { mDualImage.setImageWidth( pInitialWidth ); } if ( pInitialHeight != null ) { mDualImage.setImageHeight( pInitialHeight ); } setEnabled( true ); } @Override public ISizeableDimensionHelper getWidthHelper() { return mWidthHelper; } @Override public ISizeableDimensionHelper getHeightHelper() { return mHeightHelper; } /** * Sets the object's width. This width does not include decorations such as * border, margin, and padding. * * @param width the object's new width, in CSS units (e.g. "10px", "1em") */ @Override public void setWidth( String width ) { setDimensionFromWidget( getWidthHelper(), width ); } /** * Sets the object's height. This height does not include decorations such as * border, margin, and padding. * * @param height the object's new height, in CSS units (e.g. "10px", "1em") */ @Override public void setHeight( String height ) { setDimensionFromWidget( getHeightHelper(), height ); } protected void setPicker( PopupPanel pPicker ) { (mPicker = pPicker).addCloseHandler( new CloseHandler<PopupPanel>() { @Override public void onClose( CloseEvent<PopupPanel> event ) { pickerClosed( event.isAutoClosed() ); } } ); } @Override public void simulateUserTextEntry( String pText ) { throw new UnsupportedOperationException( "simulateUserTextEntry on '" + mFieldLabel + "' to:" + pText ); //todo... } @Override public void publishAnyPendingChanges() { if ( hidePicker() || mBlurring ) { mPicking = false; processDefferredBlur(); } super.publishAnyPendingChanges(); } @Override public void onFocus( FocusEvent event ) // FocusPanel / Button { if ( mBlurring ) { mBlurring = false; } else { super.onFocus( event ); } } @Override public void onBlur( BlurEvent event ) // FocusPanel / Button { mBlurring = true; defferBlur(); } protected void processDefferredBlur() { if ( mBlurring && !mPicking ) { mBlurring = false; super.onBlur( null ); } } protected void defferBlur() { Scheduler.get().scheduleDeferred( new Command() { @Override public void execute() { processDefferredBlur(); } } ); } protected void showPicker( int pAbsoluteLeft, int pAbsoluteTop ) { mBlurring = mPicking = true; setFocus(); LLshowPicker( new PointXY( pAbsoluteLeft, pAbsoluteTop ) ); } protected void LLshowPicker( PointXY pPointXY ) { mPicker.setPopupPositionAndShow( new PopupPanelVisiblePositionCallBack( mPicker, // pPointXY.getX(), pPointXY.getY() ) ); } protected boolean hidePicker() { boolean rv = mPicking; if ( mPicking ) { mPicker.hide(); } return rv; } protected void pickerClosed( boolean autoClosed ) { if ( !autoClosed ) { setFocus(); } mPicking = false; defferBlur(); } public boolean isViewOnly() { return mViewOnly; } @Override protected int buildComponentPanel( String pLabel, UiFont pLabelFont ) { int zUniqueID = super.buildComponentPanel( pLabel, pLabelFont ); if ( !mViewOnly ) { mInnerHTMLpanel.add( mPickerButton = createPickerButton(), "imgPick_" + zUniqueID ); mPickerButton.addFocusHandler( this ); mPickerButton.addBlurHandler( this ); } return zUniqueID; } @Override protected String buildInputRow( String pTrId, String pInputId, int pUniqueID ) { String zAdditionalInputCell = mViewOnly ? "" : "<td valign='top'><div class='litesoft-PickerButtonContainer' id='imgPick_" + pUniqueID + "'></div></td>"; return buildInputRowWithOptionalCell( pTrId, pInputId, zAdditionalInputCell ); } @Override protected String buildInputRowWithOptionalCell( String pTrId, String pInputId, String pAdditionalInputCell ) { return "<tr class='litesoft-FormComponentInputRow'><td id='" + pInputId + "'></td>" + "<td valign='top'>" + "<table cellpadding='0' cellspacing='0'><tr id='" + pTrId + "'>" + pAdditionalInputCell + "</tr></table></td></tr>"; } @Override protected void addIndicator( String pTrId ) { if ( !mViewOnly ) { mInnerHTMLpanel.add( mIndicatorTd = new IndicatorTd(), pTrId ); } } protected Button createPickerButton() { mPickerButton = PickerButton.factory( "litesoft-IconImagePickerButton" ).create(); mPickerButton.setTabIndex( -1 ); mPickerButton.addClickHandler( new ClickHandler() { @Override public void onClick( ClickEvent event ) { int absoluteLeft = mPickerButton.getAbsoluteLeft(); int absoluteTop = mPickerButton.getAbsoluteTop(); showPicker( absoluteLeft, absoluteTop ); } } ); return mPickerButton; } public ResourceKeyNameURL getCurrentResourceKeyNameURL() { return mCurrentResourceKeyNameURL; } public void setCurrentResourceKeyNameURL( ResourceKeyNameURL pNewResourceKeyNameURL ) { if ( null == (mCurrentResourceKeyNameURL = pNewResourceKeyNameURL) ) { mDualImage.setUrl( NO_IMAGE, "No Image", null ); } else { mDualImage.setUrl( mCurrentResourceKeyNameURL.getURL(), "" + mCurrentResourceKeyNameURL.getValue(), // new Command() { @Override public void execute() { if ( UtilsGwt.wasAltKeyDownOnCurrentEvent() ) { UtilsGwt.windowOpen( mDualImage.getUrl(), "", "" ); } } } ); } fireChangeListeners(); } @Override public void setEnabled( boolean pEnabled ) { if ( mPickerButton != null ) { mPickerButton.setEnabled( pEnabled ); } } @Override public void relayout() { } private static class MyFocusPanel extends FocusPanel implements IFocusWidget { private boolean mEnabled = true; @Override public boolean isEnabled() { return mEnabled; } @Override public void setEnabled( boolean pEnabled ) { mEnabled = pEnabled; } } protected static class NullWidthHelper extends AbstractWidthHelper { public static final NullWidthHelper INSTANCE = new NullWidthHelper(); private NullWidthHelper() { super( false ); } } protected static class NullHeightHelper extends AbstractWidthHelper { public static final NullWidthHelper INSTANCE = new NullWidthHelper(); private NullHeightHelper() { super( false ); } } private void setDimensionFromWidget( ISizeableDimensionHelper pDimensionHelper, String pSize_1D ) { int zSize_1D; try { zSize_1D = AbstractSizeableWidget.parse( pSize_1D ); } catch ( NumberFormatException e ) { throw new IllegalArgumentException( "Attempt to set" + pDimensionHelper.getWhat() + "( \"" + pSize_1D + "\" ) on " + getClass().getName() ); } pDimensionHelper.deligateSetDimensionFromWidget( zSize_1D ); } private static abstract class AbstractHeightHelper extends AbstractDimensionHelper { protected AbstractHeightHelper( boolean pStretchable ) { super( pStretchable, HeightDimensionHelper.INSTANCE ); } } private static abstract class AbstractWidthHelper extends AbstractDimensionHelper { protected AbstractWidthHelper( boolean pStretchable ) { super( pStretchable, WidthDimensionHelper.INSTANCE ); } } private static class StretchableHeightHelper extends AbstractHeightHelper { public static final int DUAL_IMAGE_OVERHEAD = 9; private FormImageSelector mOurWidget; public StretchableHeightHelper( FormImageSelector pOurWidget ) { super( true ); mOurWidget = pOurWidget; } @Override public void setDimension( int pDimension ) { setDimension( mOurWidget, pDimension ); } @Override public int getDimension() { return getDimension( mOurWidget ); } @Override public int getDimensionMaxShrinkability() { return getDimension( mOurWidget.mDualImage ) - DUAL_IMAGE_OVERHEAD; } @Override public int getDecorationSize() { return getDimension() - getDimension( mOurWidget.mDualImage ); } @Override public void deligateSetDimensionFromWidget( int pDimension ) { pDimension -= getDecorationSize(); if ( pDimension > DUAL_IMAGE_OVERHEAD ) { setDimension( mOurWidget.mDualImage, pDimension ); } } } private static class StretchableWidthHelper extends AbstractWidthHelper { public static final int DUAL_IMAGE_OVERHEAD = 9; private FormImageSelector mOurWidget; public StretchableWidthHelper( FormImageSelector pOurWidget ) { super( true ); mOurWidget = pOurWidget; } @Override public void setDimension( int pDimension ) { setDimension( mOurWidget, pDimension ); } @Override public int getDimension() { return getDimension( mOurWidget ); } @Override public int getDimensionMaxShrinkability() { return getDimension( mOurWidget.mDualImage ) - DUAL_IMAGE_OVERHEAD; } @Override public int getDecorationSize() { return getDimension() - getDimension( mOurWidget.mDualImage ); } @Override public void deligateSetDimensionFromWidget( int pDimension ) { pDimension -= getDecorationSize(); if ( pDimension > DUAL_IMAGE_OVERHEAD ) { setDimension( mOurWidget.mDualImage, pDimension ); } } } } |
Commits for litesoft/trunk/Java/GWT/Client/src/org/litesoft/GWT/forms/client/components/impls/input/FormImageSelector.java
Revision | Author | Commited | Message |
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947 Diff | GeorgeS | Fri 06 Jun, 2014 23:36:56 +0000 | Correct Spelling of package! |
390 Diff | GeorgeS | Sun 14 Aug, 2011 19:33:48 +0000 | |
154 Diff | GeorgeS | Tue 22 Mar, 2011 20:46:40 +0000 | |
144 Diff | GeorgeS | Mon 14 Mar, 2011 03:42:34 +0000 | |
49 Diff | GeorgeS | Mon 12 Apr, 2010 02:59:10 +0000 | License Text |
23 Diff | GeorgeS | Wed 24 Feb, 2010 00:34:32 +0000 | |
2 | GeorgeS | Sun 07 Feb, 2010 12:50:58 +0000 |