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@@ -1,15 +1,9 @@ |
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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.Cell; |
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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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/** |
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* A {@link Cell} used to render a radio button. The value of the radio button |
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@@ -29,8 +23,8 @@ |
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* Constructs a new {@link RadioButtonCell} that does not depend on |
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* selection and does not handle selection. |
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*/ |
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public RadioButtonCell(boolean enabled, String name) { |
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super("change", "keydown"); |
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public RadioButtonCell( boolean enabled, String name ) { |
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super( "change", "keydown" ); |
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this.enabled = enabled; |
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this.name = name; |
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} |
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@@ -39,20 +33,16 @@ |
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* Constructs a new {@link RadioButtonCell} that can be configured to depend |
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* and/or handle selection |
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* |
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* @param groupName |
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* HTML name attribute of the radiobutton |
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* @param dependsOnSelection |
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* true if the cell depends on the selection state |
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* @param handlesSelection |
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* true if the cell modifies the selection state |
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* @param groupName HTML name attribute of the radiobutton |
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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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*/ |
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public RadioButtonCell(boolean dependsOnSelection, boolean handlesSelection, boolean enabled, String name) { |
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this(enabled,name); |
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public RadioButtonCell( boolean dependsOnSelection, boolean handlesSelection, boolean enabled, String name ) { |
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this( enabled, name ); |
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this.dependsOnSelection = dependsOnSelection; |
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this.handlesSelection = handlesSelection; |
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} |
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@Override |
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public boolean dependsOnSelection() { |
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return dependsOnSelection; |
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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) |
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&& event.getKeyCode() == KeyCodes.KEY_ENTER; |
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if ("change".equals(type) || enterPressed) { |
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boolean enterPressed = "keydown".equals( type ) |
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&& 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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@@ -81,9 +71,9 @@ |
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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 = true; |
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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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* do not save the value because we can get into an inconsistent state. |
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*/ |
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Object key = context.getKey(); |
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if (value != isChecked && !dependsOnSelection()) { |
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setViewData(key, isChecked); |
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if ( value != isChecked && !dependsOnSelection() ) { |
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setViewData( key, isChecked ); |
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} else { |
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clearViewData(key); |
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clearViewData( key ); |
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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 boolean isEditing(com.google.gwt.cell.client.Cell.Context context, |
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Element parent, Boolean value) { |
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public boolean isEditing( com.google.gwt.cell.client.Cell.Context context, |
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Element parent, Boolean value ) { |
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// A radio button is never in "edit mode". There is no intermediate state |
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// between checked and unchecked. |
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return false; |
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} |
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@Override |
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public void render(com.google.gwt.cell.client.Cell.Context context, |
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Boolean value, SafeHtmlBuilder sb) { |
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public void render( com.google.gwt.cell.client.Cell.Context context, |
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Boolean value, SafeHtmlBuilder sb ) { |
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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(this.getRadioButtonInput(true)); |
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if ( value != null && ((viewData != null) ? viewData : value) ) { |
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sb.append( this.getRadioButtonInput( true ) ); |
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} else { |
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sb.append(this.getRadioButtonInput(false)); |
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sb.append( this.getRadioButtonInput( false ) ); |
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} |
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} |
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/** |
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* Provides an HTML string representation of a radio button |
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* |
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* @param selected |
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*/ |
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private SafeHtml getRadioButtonInput(boolean selected) { |
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StringBuffer sb = new StringBuffer(RADIO_INPUT_TEMPLATE_START); |
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private SafeHtml getRadioButtonInput( boolean selected ) { |
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StringBuffer sb = new StringBuffer( RADIO_INPUT_TEMPLATE_START ); |
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String safeName = SafeHtmlUtils.htmlEscape(this.name); |
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String safeName = SafeHtmlUtils.htmlEscape( this.name ); |
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sb.append( (null == this.name) ? "" : safeName ); |
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sb.append("\" "); |
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sb.append( "\" " ); |
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if(selected) { |
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sb.append(RADIO_INPUT_SELECTED_TOKEN); |
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if ( selected ) { |
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sb.append( RADIO_INPUT_SELECTED_TOKEN ); |
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} |
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if(!this.enabled) { |
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sb.append(RADIO_INPUT_DISABLED_TOKEN); |
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if ( !this.enabled ) { |
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sb.append( RADIO_INPUT_DISABLED_TOKEN ); |
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} |
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sb.append(RADIO_INPUT_TEMPLATE_END); |
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return SafeHtmlUtils.fromSafeConstant(sb.toString()); |
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sb.append( RADIO_INPUT_TEMPLATE_END ); |
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return SafeHtmlUtils.fromSafeConstant( sb.toString() ); |
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} |
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} |
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