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/*******************************************************************************
* Copyright (c) 2011 Boeing.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.display.view.web.components;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import org.eclipse.osee.display.api.components.SearchHeaderComponent;
import org.eclipse.osee.display.api.components.SearchResultComponent;
import org.eclipse.osee.display.api.components.SearchResultsListComponent;
import org.eclipse.osee.display.view.web.CssConstants;
import org.eclipse.osee.display.view.web.components.OseePagingComponent.PageSelectedEvent;
import org.eclipse.osee.display.view.web.components.OseePagingComponent.PageSelectedListener;
import com.vaadin.Application;
import com.vaadin.data.Property;
import com.vaadin.data.Property.ValueChangeEvent;
import com.vaadin.ui.Alignment;
import com.vaadin.ui.CheckBox;
import com.vaadin.ui.ComboBox;
import com.vaadin.ui.Component;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.Label;
import com.vaadin.ui.Panel;
import com.vaadin.ui.VerticalLayout;
import com.vaadin.ui.Window;
import com.vaadin.ui.Window.Notification;
/**
* @author Shawn F. Cook
*/
@SuppressWarnings("serial")
public class OseeSearchResultsListComponent extends VerticalLayout implements SearchResultsListComponent, PageSelectedListener {
private final VerticalLayout mainLayout = new VerticalLayout();
private final VerticalLayout bottomSpacer = new VerticalLayout();
private final HorizontalLayout manySearchResultsHorizLayout = new HorizontalLayout();
private final OseePagingComponent pagingComponent = new OseePagingComponent();
private final List<OseeSearchResultComponent> resultList = new ArrayList<OseeSearchResultComponent>();
private SearchHeaderComponent searchHeaderComponent;
private final CheckBox showVerboseCheckBox = new CheckBox("Show Detailed Results", false);
private final ComboBox manyResultsComboBox = new ComboBox();
private final int INIT_MANY_RES_PER_PAGE = 15;
public OseeSearchResultsListComponent() {
this(null);
}
public OseeSearchResultsListComponent(SearchHeaderComponent searchHeaderComponent) {
this.setSearchHeaderComponent(searchHeaderComponent);
this.setSizeFull();
manySearchResultsHorizLayout.setSizeUndefined();
Label spacer = new Label();
spacer.setHeight(5, UNITS_PIXELS);
mainLayout.setMargin(false, false, false, true);
Panel mainLayoutPanel = new Panel();
mainLayoutPanel.setScrollable(true);
mainLayoutPanel.getContent().setSizeUndefined();
mainLayoutPanel.setContent(mainLayout);
mainLayoutPanel.setSizeFull();
bottomSpacer.setSizeFull();
mainLayout.addComponent(bottomSpacer);
mainLayout.setExpandRatio(bottomSpacer, 1.0f);
pagingComponent.addListener(this);
this.addComponent(manySearchResultsHorizLayout);
this.addComponent(spacer);
this.addComponent(mainLayoutPanel);
this.setExpandRatio(mainLayoutPanel, 1.0f);
this.addComponent(pagingComponent);
showVerboseCheckBox.setImmediate(true);
final boolean showVerbose = showVerboseCheckBox.toString().equalsIgnoreCase("true");
showVerboseCheckBox.addListener(new Property.ValueChangeListener() {
@Override
public void valueChange(ValueChangeEvent event) {
if (OseeSearchResultsListComponent.this.searchHeaderComponent != null) {
OseeSearchResultsListComponent.this.searchHeaderComponent.setShowVerboseSearchResults(showVerbose);
}
for (OseeSearchResultComponent resultComp : resultList) {
resultComp.setShowVerboseSearchResults(showVerbose);
}
updateSearchResultsLayout();
}
});
if (searchHeaderComponent != null) {
searchHeaderComponent.setShowVerboseSearchResults(showVerbose);
}
manyResultsComboBox.setImmediate(true);
manyResultsComboBox.setTextInputAllowed(false);
manyResultsComboBox.setNullSelectionAllowed(false);
manyResultsComboBox.addItem("5");
manyResultsComboBox.addItem("15");
manyResultsComboBox.addItem("50");
manyResultsComboBox.addItem("100");
manyResultsComboBox.addItem("All");
manyResultsComboBox.setValue((new Integer(INIT_MANY_RES_PER_PAGE)).toString());
pagingComponent.setManyItemsPerPage(INIT_MANY_RES_PER_PAGE);
manyResultsComboBox.setWidth(50, UNITS_PIXELS);
manyResultsComboBox.addListener(new Property.ValueChangeListener() {
@Override
public void valueChange(ValueChangeEvent event) {
if (pagingComponent != null) {
String manyItemsPerPage_str = (String) manyResultsComboBox.getValue();
if (manyItemsPerPage_str.equalsIgnoreCase("All")) {
pagingComponent.setAllItemsPerPage();
} else {
int manyItemsPerPage = Integer.parseInt(manyItemsPerPage_str);
pagingComponent.setManyItemsPerPage(manyItemsPerPage);
}
updateSearchResultsLayout();
}
}
});
}
@Override
public void clearAll() {
resultList.clear();
pagingComponent.gotoFirstPage();
updateManySearchResultsLabel();
updateSearchResultsLayout();
}
private void updateManySearchResultsLabel() {
int manySearchResultComponents = resultList.size();
Label manySearchResults = new Label(String.format("[%d] ", manySearchResultComponents));
Label spacer = new Label();
spacer.setWidth(5, UNITS_PIXELS);
Label manySearchResults_suffix = new Label("Results Found");
manySearchResults.setSizeUndefined();
manySearchResults_suffix.setSizeUndefined();
manySearchResults.setStyleName(CssConstants.OSEE_SEARCHRESULT_MATCH_MANY);
manySearchResultsHorizLayout.removeAllComponents();
manySearchResultsHorizLayout.addComponent(manySearchResults);
manySearchResultsHorizLayout.addComponent(spacer);
manySearchResultsHorizLayout.addComponent(manySearchResults_suffix);
if (manySearchResultComponents > 0 && searchHeaderComponent != null) {
searchHeaderComponent.setShowVerboseSearchResults(showVerboseCheckBox.toString().equalsIgnoreCase("true"));
Label spacer1 = new Label();
spacer1.setWidth(30, UNITS_PIXELS);
manySearchResultsHorizLayout.addComponent(spacer1);
manySearchResultsHorizLayout.addComponent(showVerboseCheckBox);
}
Label spacer2 = new Label();
spacer2.setWidth(30, UNITS_PIXELS);
Label spacer3 = new Label();
spacer3.setWidth(5, UNITS_PIXELS);
Label manyResultsLabel = new Label("Results Per Page");
manySearchResultsHorizLayout.addComponent(spacer2);
manySearchResultsHorizLayout.addComponent(manyResultsComboBox);
manySearchResultsHorizLayout.setComponentAlignment(manyResultsComboBox, Alignment.TOP_CENTER);
manySearchResultsHorizLayout.addComponent(spacer3);
manySearchResultsHorizLayout.addComponent(manyResultsLabel);
pagingComponent.setManyItemsTotal(manySearchResultComponents);
}
private final Collection<Integer> prevResultListIndices = new ArrayList<Integer>();
private void updateSearchResultsLayout() {
//if the list of currently visible items has not changed, then don't bother updating the layout
pagingComponent.setManyItemsTotal(resultList.size());
Collection<Integer> resultListIndices = pagingComponent.getCurrentVisibleItemIndices();
if (!resultListIndices.equals(prevResultListIndices)) {
//First, get a list of all the search results components currently in the layout
Collection<Component> removeTheseComponents = new ArrayList<Component>();
for (Iterator<Component> iter = mainLayout.getComponentIterator(); iter.hasNext();) {
Component component = iter.next();
if (component.getClass() == OseeSearchResultComponent.class) {
removeTheseComponents.add(component);
}
}
//Second, remove the search result components
for (Component component : removeTheseComponents) {
mainLayout.removeComponent(component);
}
//Next, add the result components to the layout that are on the current 'page'
int spacerIndex = mainLayout.getComponentIndex(bottomSpacer);
for (Integer i : resultListIndices) {
try {
OseeSearchResultComponent searchResultComp = resultList.get(i);
mainLayout.addComponent(searchResultComp, 0);
} catch (IndexOutOfBoundsException e) {
System.out.println("OseeSearchResultsListComponent.updateSearchResultsLayout - CRITICAL ERROR: IndexOutOfBoundsException e");
}
}
//Update prevResultListIndices
prevResultListIndices.clear();
prevResultListIndices.addAll(resultListIndices);
}
}
@Override
public SearchResultComponent createSearchResult() {
OseeSearchResultComponent searchResultComp = new OseeSearchResultComponent();
resultList.add(searchResultComp);
// int spacerIndex = mainLayout.getComponentIndex(bottomSpacer);
// mainLayout.addComponent(searchResultComp, spacerIndex);
updateManySearchResultsLabel();
updateSearchResultsLayout();
return searchResultComp;
}
@Override
public void setErrorMessage(String message) {
Application app = this.getApplication();
if (app != null) {
Window mainWindow = app.getMainWindow();
if (mainWindow != null) {
mainWindow.showNotification(message, Notification.TYPE_ERROR_MESSAGE);
} else {
System.out.println("OseeSearchResultsListComponent.setErrorMessage - ERROR: Application.getMainWindow() returns null value.");
}
} else {
System.out.println("OseeSearchResultsListComponent.setErrorMessage - ERROR: getApplication() returns null value.");
}
}
@Override
public void pageSelected(PageSelectedEvent source) {
updateSearchResultsLayout();
}
public SearchHeaderComponent getSearchHeaderComponent() {
return searchHeaderComponent;
}
public void setSearchHeaderComponent(SearchHeaderComponent searchHeaderComponent) {
this.searchHeaderComponent = searchHeaderComponent;
}
}
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