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/*
* Jitsi, the OpenSource Java VoIP and Instant Messaging client.
*
* Copyright @ 2015 Atlassian Pty Ltd
*
* 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 net.java.sip.communicator.impl.gui.main.contactlist;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
import net.java.sip.communicator.impl.gui.*;
import net.java.sip.communicator.impl.gui.main.*;
import net.java.sip.communicator.plugin.desktoputil.*;
import net.java.sip.communicator.plugin.desktoputil.event.*;
import net.java.sip.communicator.service.gui.*;
import net.java.sip.communicator.service.gui.event.*;
import net.java.sip.communicator.util.skin.*;
/**
* The field shown on the top of the main window, which allows the user to
* search for users.
*
* @author Yana Stamcheva
* @author Adam Netocny
* @author Marin Dzhigarov
*/
public class SearchField
extends SIPCommTextField
implements TextFieldChangeListener,
FilterQueryListener,
Skinnable
{
/**
* Class id key used in UIDefaults.
*/
private static final String uiClassID
= SearchField.class.getName() + "FieldUI";
/**
* Adds the ui class to UIDefaults.
*/
static
{
UIManager.getDefaults().put(
uiClassID,
ContactSearchFieldUI.class.getName());
}
/**
* The contact list on which we apply the filter.
*/
private ContactList contactList;
/**
* The current filter query.
*/
private FilterQuery currentFilterQuery = null;
/**
* The main application window.
*/
private final MainFrame mainFrame;
/**
* The filter to apply on search.
*/
private final ContactListSearchFilter searchFilter;
/**
* Creates the <tt>SearchField</tt>.
*
* @param frame the main application window
* @param searchFilter the filter to apply on search
* @param isCallButtonEnabled indicates if the call button should be
* enabled in this search field
* @param isSMSButtonEnabled indicates if the sms button should be
* enabled in this search field
*/
public SearchField( MainFrame frame,
ContactListSearchFilter searchFilter,
boolean isCallButtonEnabled,
boolean isSMSButtonEnabled)
{
super(GuiActivator.getResources()
.getI18NString("service.gui.ENTER_NAME_OR_NUMBER"));
this.mainFrame = frame;
this.searchFilter = searchFilter;
if (getUI() instanceof ContactSearchFieldUI)
{
((ContactSearchFieldUI) getUI()).setupListeners();
((ContactSearchFieldUI) getUI()).setDeleteButtonEnabled(true);
((ContactSearchFieldUI) getUI())
.setCallButtonEnabled(isCallButtonEnabled);
((ContactSearchFieldUI) getUI())
.setSMSButtonEnabled(isSMSButtonEnabled);
}
this.setBorder(null);
this.setOpaque(false);
this.setDragEnabled(true);
this.addTextChangeListener(this);
InputMap imap
= getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT);
imap.put(KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0), "escape");
ActionMap amap = getActionMap();
amap.put("escape", new AbstractAction()
{
public void actionPerformed(ActionEvent e)
{
setText("");
if (SearchField.this.mainFrame != null)
SearchField.this.mainFrame.requestFocusInContactList();
}
});
loadSkin();
}
/**
* Do not need this for the moment.
* @param e the <tt>DocumentEvent</tt> that notified us
*/
@Override
public void changedUpdate(DocumentEvent e) {}
/**
* Sets the unknown contact view to the main contact list window.
*
* @param isEnabled indicates if the unknown contact view should be enabled
* or disabled.
*/
public void enableUnknownContactView(final boolean isEnabled)
{
SwingUtilities.invokeLater(new Runnable()
{
public void run()
{
if (mainFrame != null)
mainFrame.enableUnknownContactView(isEnabled);
}
});
}
/**
* Indicates that the given <tt>query</tt> has finished with failure, i.e.
* no results for the filter were found.
*
* @param query the <tt>FilterQuery</tt>, where this listener is registered
*/
public void filterQueryFailed(FilterQuery query)
{
// If the query has failed then we don't have results.
if (currentFilterQuery.equals(query))
filterQueryFinished(query, false);
}
/**
* Performs all needed updates when a filter query has finished.
*
* @param query the query that has finished
* @param hasResults indicates if the query has results
*/
private void filterQueryFinished(FilterQuery query, boolean hasResults)
{
// If the unknown contact view was previously enabled, but we
// have found matching contacts we enter the normal view.
enableUnknownContactView(!hasResults);
query.setQueryListener(null);
}
/**
* Indicates that the given <tt>query</tt> has finished with success, i.e.
* the filter has returned results.
*
* @param query the <tt>FilterQuery</tt>, where this listener is registered
*/
public void filterQuerySucceeded(FilterQuery query)
{
// If the query has succeeded then we have results.
if (currentFilterQuery.equals(query))
filterQueryFinished(query, true);
}
/**
* Returns the name of the L&F class that renders this component.
*
* @return the string "TreeUI"
* @see JComponent#getUIClassID
* @see UIDefaults#getUI
*/
@Override
public String getUIClassID()
{
return uiClassID;
}
/**
* Reloads text field UI defs.
*/
public void loadSkin()
{
if (getUI() instanceof ContactSearchFieldUI)
((ContactSearchFieldUI) getUI()).loadSkin();
}
/**
* Sets the contact list, in which the search is performed.
*
* @param contactList the contact list in which the search is performed
*/
public void setContactList(ContactList contactList)
{
this.contactList = contactList;
}
/**
* Handles the change when a char has been inserted in the field.
*/
public void textInserted()
{
// Should explicitly check if there's a text, because the default text
// triggers also an insertUpdate event.
String filterString = this.getText();
if (filterString == null || filterString.length() <= 0)
return;
updateContactListView();
}
/**
* Handles the change when a char has been removed from the field.
*/
public void textRemoved()
{
updateContactListView();
}
/**
* Schedules an update if necessary.
*/
private void updateContactListView()
{
String filterString = getText();
boolean isDefaultFilter = false;
searchFilter.setFilterString(filterString.trim());
// First finish the last filter.
if (currentFilterQuery != null)
filterQueryFinished(currentFilterQuery, true);
if (filterString != null && filterString.length() > 0)
{
currentFilterQuery = contactList.applyFilter(searchFilter);
}
else
{
currentFilterQuery = contactList.applyDefaultFilter();
isDefaultFilter = true;
}
if (currentFilterQuery != null && !currentFilterQuery.isCanceled())
{
// If we already have a result here we update the interface.
// In the case of default filter we don't need to know if the
// query has succeeded, as event if it isn't we would like to
// remove the unknown contact view.
if (isDefaultFilter || currentFilterQuery.isSucceeded())
enableUnknownContactView(false);
else
// Otherwise we will listen for events for changes in status
// of this query.
currentFilterQuery.setQueryListener(this);
}
else
{
// If the query is null or is canceled, we would simply check the
// contact list content.
filterQueryFinished(currentFilterQuery, !contactList.isEmpty());
}
}
public void dispose()
{
if(getUI() instanceof ContactSearchFieldUI)
{
((ContactSearchFieldUI)getUI()).removeListeners();
}
}
}
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