/**
* Copyright 2010 JBoss Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.drools.guvnor.client.ruleeditor;
/*
* Copyright 2005 JBoss Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import org.drools.guvnor.client.categorynav.CategoryExplorerWidget;
import org.drools.guvnor.client.categorynav.CategorySelectHandler;
import org.drools.guvnor.client.common.DirtyableComposite;
import org.drools.guvnor.client.common.DirtyableFlexTable;
import org.drools.guvnor.client.common.FormStylePopup;
import org.drools.guvnor.client.common.ImageButton;
import org.drools.guvnor.client.common.SmallLabel;
import org.drools.guvnor.client.messages.Constants;
import org.drools.guvnor.client.resources.Images;
import org.drools.guvnor.client.rpc.MetaData;
import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.FlexTable;
import com.google.gwt.user.client.ui.Image;
import com.google.gwt.user.client.ui.VerticalPanel;
/**
* This is a viewer/editor for categories.
* It will show a list of categories currently applicable, and allow you to
* remove/add to them.
*
* It is intended to work with the meta data form.
*
* @author Michael Neale
* @author Fernando Meyer
*/
public class AssetCategoryEditor extends DirtyableComposite {
private Constants constants = GWT.create( Constants.class );
private static Images images = GWT.create( Images.class );
private MetaData data;
private DirtyableFlexTable layout = new DirtyableFlexTable();
private FlexTable list;
private boolean readOnly;
/**
* @param d The meta data.
* @param readOnly If it is to be non editable.
*/
public AssetCategoryEditor(MetaData d,
boolean readOnly) {
this.data = d;
list = new FlexTable();
this.readOnly = readOnly;
loadData( list );
list.setStyleName( "rule-List" );
layout.setWidget( 0,
0,
list );
if ( !readOnly ) {
doActions();
}
initWidget( layout );
}
private void doActions() {
VerticalPanel actions = new VerticalPanel();
Image add = new ImageButton( images.newItem() );
add.setTitle( constants.AddANewCategory() );
add.addClickHandler( new ClickHandler() {
public void onClick(ClickEvent event) {
doOKClick();
}
} );
actions.add( add );
layout.setWidget( 0,
1,
actions );
}
protected void removeCategory(int idx) {
data.removeCategory( idx );
makeDirty();
resetBox();
}
private void resetBox() {
list = new FlexTable();
list.setStyleName( "rule-List" );
layout.setWidget( 0,
0,
list );
loadData( list );
makeDirty();
}
private void loadData(FlexTable list) {
for ( int i = 0; i < data.categories.length; i++ ) {
final int idx = i;
list.setWidget( i,
0,
new SmallLabel( data.categories[i] ) );
if ( !readOnly ) {
Image del = new ImageButton( images.trash() );
del.setTitle( constants.RemoveThisCategory() );
del.addClickHandler( new ClickHandler() {
public void onClick(ClickEvent event) {
removeCategory( idx );
}
} );
list.setWidget( i,
1,
del );
}
}
}
/** Handles the OK click on the selector popup */
private void doOKClick() {
CategorySelector sel = new CategorySelector();
sel.show();
}
/**
* Appy the change (selected path to be added).
*/
public void addToCategory(String selectedPath) {
data.addCategory( selectedPath );
resetBox();
}
/**
* This is a popup that allows you to select a category to add to the asset.
*/
class CategorySelector extends FormStylePopup {
public Button ok = new Button( constants.OK() );
private CategoryExplorerWidget selector;
public String selectedPath;
public CategorySelector() {
setTitle( constants.SelectCategoryToAdd() );
VerticalPanel vert = new VerticalPanel();
selector = new CategoryExplorerWidget( new CategorySelectHandler() {
public void selected(String sel) {
selectedPath = sel;
}
} );
vert.add( selector );
vert.add( ok );
addRow( vert );
ok.addClickHandler( new ClickHandler() {
public void onClick(ClickEvent event) {
if ( selectedPath != null && !"".equals( selectedPath ) ) {
addToCategory( selectedPath );
}
hide();
}
} );
}
}
}