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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.SearchResultComponent;
import org.eclipse.osee.display.api.components.SearchResultsListComponent;
import org.eclipse.osee.display.api.search.SearchPresenter;
import org.eclipse.osee.display.api.search.SearchProgressListener;
import org.eclipse.osee.display.api.search.SearchProgressProvider;
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.data.Property;
import com.vaadin.data.Property.ValueChangeEvent;
import com.vaadin.ui.Alignment;
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;
/**
* @author Shawn F. Cook
*/
@SuppressWarnings("serial")
public class OseeSearchResultsListComponent extends VerticalLayout implements SearchResultsListComponent, PageSelectedListener, SearchProgressListener {
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 final OseeDisplayOptionsComponentImpl displayOptionsComponent = new OseeDisplayOptionsComponentImpl();
private final ComboBox manyResultsComboBox = new ComboBox();
private final int INIT_MANY_RES_PER_PAGE = 15;
private final Label manySearchResults = new Label();
private boolean isLayoutComplete = false;
@Override
public void attach() {
if (!isLayoutComplete) {
SearchPresenter<?, ?> searchPresenter = ComponentUtility.getPresenter(this);
if (searchPresenter != null && searchPresenter instanceof SearchProgressProvider) {
((SearchProgressProvider) searchPresenter).addListener(this);
}
createLayout();
isLayoutComplete = true;
}
}
@Override
public void clearAll() {
resultList.clear();
pagingComponent.gotoFirstPage();
updateManySearchResultsLabel();
updateSearchResultsLayout();
}
private void createLayout() {
setSizeFull();
pagingComponent.addListener(this);
pagingComponent.setManyItemsPerPage(INIT_MANY_RES_PER_PAGE);
manySearchResultsHorizLayout.setSizeUndefined();
displayOptionsComponent.disableDisplayOptions();
mainLayout.setMargin(false, false, false, true);
Panel mainLayoutPanel = new Panel();
mainLayoutPanel.setScrollable(true);
mainLayoutPanel.getContent().setSizeUndefined();
mainLayoutPanel.setSizeFull();
bottomSpacer.setSizeFull();
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());
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();
}
}
});
Label hSpacer_ManyRes = new Label();
hSpacer_ManyRes.setWidth(5, UNITS_PIXELS);
Label manySearchResults_suffix = new Label("Results Found");
manySearchResults.setSizeUndefined();
manySearchResults_suffix.setSizeUndefined();
manySearchResults.setStyleName(CssConstants.OSEE_SEARCHRESULT_MATCH_MANY);
Label hSpacer_ManyResVerbose = new Label();
hSpacer_ManyResVerbose.setWidth(30, UNITS_PIXELS);
Label hSpacer_VerbosePerPage = new Label();
hSpacer_VerbosePerPage.setWidth(30, UNITS_PIXELS);
Label hSpacer_PerPage = new Label();
hSpacer_PerPage.setWidth(5, UNITS_PIXELS);
Label manyResultsLabel = new Label("Results Per Page");
manySearchResultsHorizLayout.addComponent(manySearchResults);
manySearchResultsHorizLayout.addComponent(hSpacer_ManyRes);
manySearchResultsHorizLayout.addComponent(manySearchResults_suffix);
manySearchResultsHorizLayout.addComponent(hSpacer_ManyResVerbose);
manySearchResultsHorizLayout.addComponent(displayOptionsComponent);
manySearchResultsHorizLayout.addComponent(hSpacer_VerbosePerPage);
manySearchResultsHorizLayout.addComponent(manyResultsComboBox);
manySearchResultsHorizLayout.addComponent(hSpacer_PerPage);
manySearchResultsHorizLayout.addComponent(manyResultsLabel);
mainLayoutPanel.setContent(mainLayout);
mainLayout.addComponent(bottomSpacer);
addComponent(manySearchResultsHorizLayout);
addComponent(mainLayoutPanel);
addComponent(pagingComponent);
manySearchResultsHorizLayout.setComponentAlignment(manyResultsComboBox, Alignment.TOP_CENTER);
mainLayout.setExpandRatio(bottomSpacer, 1.0f);
this.setExpandRatio(mainLayoutPanel, 1.0f);
}
private void updateManySearchResultsLabel() {
String manyResults = String.format("[%d]", resultList.size());
manySearchResults.setCaption(manyResults);
pagingComponent.setManyItemsTotal(resultList.size());
}
private void updateSearchResultsLayout() {
//if the list of currently visible items has not changed, then don't bother updating the layout
Collection<Integer> resultListIndices = pagingComponent.getCurrentVisibleItemIndices();
//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) {
synchronized (getApplication()) {
mainLayout.removeComponent(component);
}
}
//Next, add the result components to the layout that are on the current 'page'
for (Integer i : resultListIndices) {
try {
OseeSearchResultComponent searchResultComp = resultList.get(i);
synchronized (getApplication()) {
mainLayout.addComponent(searchResultComp, 0);
}
} catch (IndexOutOfBoundsException e) {
ComponentUtility.logError(
"OseeSearchResultsListComponent.updateSearchResultsLayout - CRITICAL ERROR: IndexOutOfBoundsException",
this);
}
}
}
@Override
public SearchResultComponent createSearchResult() {
OseeSearchResultComponent searchResultComp = new OseeSearchResultComponent();
resultList.add(searchResultComp);
updateManySearchResultsLabel();
int lastCompIndex = mainLayout.getComponentIndex(bottomSpacer);
mainLayout.addComponent(searchResultComp, lastCompIndex);
//This call is needed in order to only show those results which are on the current page.
updateSearchResultsLayout();
return searchResultComp;
}
@Override
public void setErrorMessage(String shortMsg, String longMsg, MsgType msgType) {
OseeExceptionDialogComponent dlg =
new OseeExceptionDialogComponent(msgType, shortMsg, longMsg, getApplication().getMainWindow());
}
@Override
public void pageSelected(PageSelectedEvent source) {
updateSearchResultsLayout();
}
public OseeDisplayOptionsComponentImpl getDisplayOptionsComponent() {
return displayOptionsComponent;
}
@Override
public void searchInProgress() {
displayOptionsComponent.disableDisplayOptions();
}
@Override
public void searchCancelled() {
if (resultList.size() > 0) {
displayOptionsComponent.enableDisplayOptions();
}
}
@Override
public void searchCompleted() {
if (resultList.size() > 0) {
displayOptionsComponent.enableDisplayOptions();
}
}
@Override
public void noSearchResultsFound() {
}
}
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