howtosearchclusterwizardpage.java

java写的qq代码实现qq的部分功能

/*
* LumaQQ - Java QQ Client
*
* Copyright (C) 2004 luma <[e-mail]>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package edu.tsinghua.lumaqq.ui.wizard.search;

import org.eclipse.jface.wizard.IWizard;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Text;

import edu.tsinghua.lumaqq.Colors;
import edu.tsinghua.lumaqq.LumaQQ;
import edu.tsinghua.lumaqq.qq.Util;
import edu.tsinghua.lumaqq.ui.tool.AroundBorderPaintListener;
import edu.tsinghua.lumaqq.ui.tool.UITool;

/**
 * 查找群的方式页
 * 
 * @author luma
 */
public class HowToSearchClusterWizardPage extends WizardPage {
    public static final int DEMO_CLUSTER = 0;
    public static final int BY_ID = 1;
    
    private Button rdoDemo, rdoById;
    private Text textId;
    private SearchWizard wizard;
    
    /**
     * @param pageName
     */
    public HowToSearchClusterWizardPage(String pageName) {
        super(pageName);
        setTitle(LumaQQ.getString("how.to.search.cluster.title"));
        setMessage(LumaQQ.getString("how.to.search.cluster.message"));
    }
    
    /* (non-Javadoc)
     * @see org.eclipse.jface.wizard.WizardPage#setWizard(org.eclipse.jface.wizard.IWizard)
     */
    public void setWizard(IWizard newWizard) {
        super.setWizard(newWizard);
        wizard = (SearchWizard)newWizard;
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.dialogs.IDialogPage#createControl(org.eclipse.swt.widgets.Composite)
     */
    public void createControl(Composite parent) {
        Composite control = new Composite(parent, SWT.NONE);
        control.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
        GridLayout layout = new GridLayout();
        layout.marginHeight = layout.marginWidth = 15;
        layout.verticalSpacing = 8;
        control.setLayout(layout);
        control.addPaintListener(new AroundBorderPaintListener(new Class[] { Text.class }));
        
        UITool.setDefaultBackground(control.getBackground());
        SelectionListener sl = new SelectionAdapter() {
            public void widgetSelected(SelectionEvent e) {
                wizard.setSearchMode(rdoDemo.getSelection() ? SearchWizard.DEMO_CLUSTER : SearchWizard.BY_CLUSTER_ID);
                refreshControlStatus();
                setPageComplete(validatePage());
            }
        };
        
        // 查找示范群
        rdoDemo = UITool.createRadio(control, LumaQQ.getString("how.to.search.demo.cluster"));
        rdoDemo.setSelection(true);
        rdoDemo.addSelectionListener(sl);
        // 通过群ID
        rdoById = UITool.createRadio(control, LumaQQ.getString("how.to.search.cluster.by.id"));
        rdoById.addSelectionListener(sl);
        // 群ID输入框
        GridData gd = new GridData();
        gd.widthHint = 100;
        gd.heightHint = 18;
        gd.horizontalIndent = 20;
        textId = UITool.createSingleText(control, gd);
        textId.addModifyListener(new ModifyListener() {
            public void modifyText(ModifyEvent e) {
                setPageComplete(validatePage());
            }
        });
        
        setControl(control);
        
        refreshControlStatus();
    }
    
    /**
     * 刷新控件状态
     */
    private void refreshControlStatus() {
        if(rdoDemo.getSelection()) {
            textId.setEnabled(false);
            textId.setBackground(getControl().getBackground());            
        } else {
            textId.setEnabled(true);
            textId.setBackground(Colors.WHITE);
        }
    }
    
    /* (non-Javadoc)
     * @see org.eclipse.jface.wizard.WizardPage#isPageComplete()
     */
    public boolean isPageComplete() {
        return validatePage();
    }
    
    /* (non-Javadoc)
     * @see org.eclipse.jface.dialogs.IDialogPage#setVisible(boolean)
     */
    public void setVisible(boolean visible) {
        super.setVisible(visible);
        if(visible) {
            wizard.setEnterResultPage(true);
            wizard.setSearchMode(rdoDemo.getSelection() ? SearchWizard.DEMO_CLUSTER : SearchWizard.BY_CLUSTER_ID);
        }
    }    

    /**
     * @return
     * 		true表示输入有效
     */
    private boolean validatePage() {        
        if(rdoById.getSelection()) {
            if(!Util.isInt(textId.getText().trim())) {
                setErrorMessage(LumaQQ.getString("error.invalid.cluster.id"));
                return false;
            }
        }
        
        setErrorMessage(null);
        return true;
    }
    
    /**
     * @return
     * 		搜索方式ID
     */
    public int getSearchMethod() {
        return rdoDemo.getSelection() ? DEMO_CLUSTER : BY_ID;
    }
    
    /**
     * @return
     * 		得到群ID
     */
    public int getClusterId() {
        return Util.getInt(textId.getText().trim(), 0);
    }
    
    /**
     * @return
     * 		包序号
     */
    public char doSearch() {
        if(rdoDemo.getSelection())
            return wizard.getMainShell().getClient().searchDemoCluster();
        else
            return wizard.getMainShell().getClient().searchClusterById(Util.getInt(textId.getText().trim(), 0));
    }
}