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package com.temp.client.foundation.widget.table.cell; |
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import com.google.gwt.cell.client.AbstractEditableCell; |
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import com.google.gwt.cell.client.ValueUpdater; |
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import com.google.gwt.dom.client.Element; |
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import com.google.gwt.dom.client.InputElement; |
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import com.google.gwt.dom.client.NativeEvent; |
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import com.google.gwt.event.dom.client.KeyCodes; |
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import com.google.gwt.safehtml.shared.SafeHtml; |
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import com.google.gwt.safehtml.shared.SafeHtmlBuilder; |
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import com.google.gwt.safehtml.shared.SafeHtmlUtils; |
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import com.google.gwt.cell.client.*; |
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import com.google.gwt.dom.client.*; |
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import com.google.gwt.event.dom.client.*; |
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import com.google.gwt.safehtml.shared.*; |
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public abstract class AbstractDisableableBooleanEditableCell extends AbstractEditableCell<Boolean, Boolean> { |
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public static class CellHtmlProvider { |
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private final SafeHtml disabledSelected; |
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private final SafeHtml disabledNotSelected; |
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public CellHtmlProvider(String enabledSelected, String enabledNotSelected, String disabledSelected, String disabledNotSelected) { |
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this.enabledSelected = SafeHtmlUtils.fromTrustedString(enabledSelected); |
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this.enabledNotSelected = SafeHtmlUtils.fromTrustedString(enabledNotSelected); |
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this.disabledSelected = SafeHtmlUtils.fromTrustedString(disabledSelected); |
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this.disabledNotSelected = SafeHtmlUtils.fromTrustedString(disabledNotSelected); |
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public CellHtmlProvider( String enabledSelected, String enabledNotSelected, String disabledSelected, String disabledNotSelected ) { |
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this.enabledSelected = SafeHtmlUtils.fromTrustedString( enabledSelected ); |
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this.enabledNotSelected = SafeHtmlUtils.fromTrustedString( enabledNotSelected ); |
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this.disabledSelected = SafeHtmlUtils.fromTrustedString( disabledSelected ); |
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this.disabledNotSelected = SafeHtmlUtils.fromTrustedString( disabledNotSelected ); |
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} |
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public SafeHtml htmlEnabledSelected() { |
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* Construct a new AbstractDisableableBooleanEditableCell that optionally controls selection. |
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* |
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* @param dependsOnSelection true if the cell depends on the selection state |
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* @param handlesSelection true if the cell modifies the selection state |
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* @param handlesSelection true if the cell modifies the selection state |
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*/ |
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protected AbstractDisableableBooleanEditableCell(boolean dependsOnSelection, boolean handlesSelection, CellHtmlProvider htmlProvider) { |
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super("change", "keydown"); |
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protected AbstractDisableableBooleanEditableCell( boolean dependsOnSelection, boolean handlesSelection, CellHtmlProvider htmlProvider ) { |
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super( "change", "keydown" ); |
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this.htmlProvider = htmlProvider; |
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this.dependsOnSelection = dependsOnSelection; |
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this.handlesSelection = handlesSelection; |
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* |
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* @param isSelectBox true if the cell controls the selection state |
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*/ |
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protected AbstractDisableableBooleanEditableCell(boolean isSelectBox, CellHtmlProvider htmlProvider) { |
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this(isSelectBox, isSelectBox, htmlProvider); |
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protected AbstractDisableableBooleanEditableCell( boolean isSelectBox, CellHtmlProvider htmlProvider ) { |
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this( isSelectBox, isSelectBox, htmlProvider ); |
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} |
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/** |
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* Construct a new AbstractDisableableBooleanEditableCell. |
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*/ |
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protected AbstractDisableableBooleanEditableCell(CellHtmlProvider htmlProvider) { |
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this(false, htmlProvider); |
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protected AbstractDisableableBooleanEditableCell( CellHtmlProvider htmlProvider ) { |
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this( false, htmlProvider ); |
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} |
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@Override |
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} |
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@Override |
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public boolean isEditing(Context context, Element parent, Boolean value) { |
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public boolean isEditing( Context context, Element parent, Boolean value ) { |
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// A 'Boolean' is never in "edit mode". There is no intermediate state |
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// between Selected and Not Selected. |
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return false; |
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} |
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@Override |
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public void onBrowserEvent(Context context, Element parent, Boolean value, |
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NativeEvent event, ValueUpdater<Boolean> valueUpdater) { |
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public void onBrowserEvent( Context context, Element parent, Boolean value, |
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NativeEvent event, ValueUpdater<Boolean> valueUpdater ) { |
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String type = event.getType(); |
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boolean enterPressed = "keydown".equals(type) && event.getKeyCode() == KeyCodes.KEY_ENTER; |
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if ("change".equals(type) || enterPressed) { |
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boolean enterPressed = "keydown".equals( type ) && event.getKeyCode() == KeyCodes.KEY_ENTER; |
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if ( "change".equals( type ) || enterPressed ) { |
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InputElement input = parent.getFirstChild().cast(); |
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Boolean isChecked = input.isChecked(); |
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@@ -109,41 +103,41 @@ |
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* let the SelectionEventManager determine which keys will trigger a |
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* change. |
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*/ |
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if (enterPressed && (handlesSelection() || !dependsOnSelection())) { |
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if ( enterPressed && (handlesSelection() || !dependsOnSelection()) ) { |
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isChecked = !isChecked; |
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input.setChecked(isChecked); |
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input.setChecked( isChecked ); |
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} |
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/* |
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* Save the new value. However, if the cell depends on the selection, then |
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* do not save the value because we can get into an inconsistent state. |
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*/ |
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if (value != isChecked && !dependsOnSelection()) { |
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setViewData(context.getKey(), isChecked); |
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if ( value != isChecked && !dependsOnSelection() ) { |
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setViewData( context.getKey(), isChecked ); |
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} else { |
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clearViewData(context.getKey()); |
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clearViewData( context.getKey() ); |
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} |
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if (valueUpdater != null) { |
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valueUpdater.update(isChecked); |
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if ( valueUpdater != null ) { |
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valueUpdater.update( isChecked ); |
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} |
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} |
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} |
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@Override |
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public void render(Context context, Boolean value, SafeHtmlBuilder sb) { |
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public void render( Context context, Boolean value, SafeHtmlBuilder sb ) { |
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// Get the view data. |
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Object key = context.getKey(); |
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Boolean viewData = getViewData(key); |
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if (viewData != null && viewData.equals(value)) { |
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clearViewData(key); |
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Boolean viewData = getViewData( key ); |
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if ( viewData != null && viewData.equals( value ) ) { |
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clearViewData( key ); |
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viewData = null; |
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} |
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if (value != null && ((viewData != null) ? viewData : value)) { |
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sb.append(isEnabled() ? htmlProvider.htmlEnabledSelected() : htmlProvider.htmlDisabledSelected()); |
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if ( value != null && ((viewData != null) ? viewData : value) ) { |
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sb.append( isEnabled() ? htmlProvider.htmlEnabledSelected() : htmlProvider.htmlDisabledSelected() ); |
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} else { |
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sb.append(isEnabled() ? htmlProvider.htmlEnabledNotSelected() : htmlProvider.htmlDisabledNotSelected()); |
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sb.append( isEnabled() ? htmlProvider.htmlEnabledNotSelected() : htmlProvider.htmlDisabledNotSelected() ); |
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} |
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} |
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