package timeflow.views;
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import timeflow.app.ui.EditRecordPanel;
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import timeflow.app.ui.HtmlDisplay;
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import timeflow.data.db.*;
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import timeflow.format.file.HtmlFormat;
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import timeflow.model.*;
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import java.awt.*;
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import java.awt.event.*;
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import javax.swing.*;
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import javax.swing.event.*;
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import javax.swing.table.*;
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import javax.swing.text.html.*;
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import timeflow.util.*;
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import java.net.URI;
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import java.net.URL;
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import java.util.*;
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public class ListView extends AbstractView {
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private JEditorPane listDisplay;
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private JComboBox sortMenu=new JComboBox();
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private ActComparator sort;//=ActComparator.byTime();
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private int maxPerPage=50;
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private int pageStart=0;
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private int lastSize=0;
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private ActList acts;
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private Field sortField;
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private JLabel pageLabel=new JLabel("Page", JLabel.LEFT);
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private JComboBox pageMenu=new JComboBox();
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private boolean changing=false;
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private JPanel controls;
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public ListView(TFModel model)
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{
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super(model);
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listDisplay=HtmlDisplay.create();
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listDisplay.addHyperlinkListener(new LinkIt());
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JScrollPane scrollPane = new JScrollPane(listDisplay);
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setLayout(new BorderLayout());
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add(scrollPane, BorderLayout.CENTER);
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controls=new JPanel();
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controls.setLayout(null);
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controls.setBackground(Color.white);
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int x=10, y=10;
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int ch=25, pad=5, cw=160;
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JLabel sortLabel=new JLabel("Sort Order", JLabel.LEFT);
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controls.add(sortLabel);
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sortLabel.setBounds(x,y,cw,ch);
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y+=ch+pad;
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controls.add(sortMenu);
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sortMenu.setBounds(x,y,cw,ch);
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y+=ch+3*pad;
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controls.add(pageLabel);
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pageLabel.setBounds(x,y,cw,ch);
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y+=ch+pad;
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controls.add(pageMenu);
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pageMenu.setBounds(x,y,cw,ch);
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showPageMenu(false);
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pageMenu.addActionListener(pageListener);
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sortMenu.addActionListener(sortListener);
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}
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protected JComponent _getControls()
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{
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return controls;
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}
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ActionListener sortListener=new ActionListener() {
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@Override
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public void actionPerformed(ActionEvent e) {
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if (changing || sortMenu.getItemCount()<=0) // this means the action was fired after all items removed.
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return;
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sortField=getModel().getDB().getField((String)sortMenu.getSelectedItem());
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sort=sortField==null ? null : ActComparator.by(sortField);
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setToFirstPage();
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makeList();
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}};
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ActionListener pageListener=new ActionListener() {
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@Override
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public void actionPerformed(ActionEvent e) {
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if (changing)
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return;
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pageStart=maxPerPage*pageMenu.getSelectedIndex();
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System.out.println(e.getActionCommand());
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makeList();
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}};
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@Override
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protected void onscreen(boolean majorChange)
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{
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_note(null);
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}
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public void _note(TFEvent e) {
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changing=true;
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if (e==null || e.affectsSchema() || e.affectsRowSet())
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{
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sortMenu.removeActionListener(sortListener);
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sortMenu.removeAllItems();
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pageStart=0;
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java.util.List<Field> fields=getModel().getDB().getFields();
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Field firstField=null;
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if (fields.size()>0)
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firstField=fields.get(0);
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for (Field f: fields)
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{
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sortMenu.addItem(f.getName());
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}
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sortField=getModel().getDB().getField(VirtualField.START);
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if (sortField!=null)
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sortMenu.setSelectedItem(sortField.getName());
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else
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sortField=firstField;
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sortMenu.addActionListener(sortListener);
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sort=null;
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}
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if (e!=null && e.affectsData())
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{
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setToFirstPage();
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}
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changing=false;
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makeList();
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}
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private void setToFirstPage()
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{
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pageStart=0;
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if (pageMenu.isVisible())
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{
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pageMenu.removeActionListener(pageListener);
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pageMenu.setSelectedIndex(0);
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pageMenu.addActionListener(pageListener);
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}
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}
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void showPageMenu(boolean visible)
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{
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pageLabel.setVisible(visible);
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pageMenu.setVisible(visible);
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if (visible)
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{
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pageMenu.removeActionListener(pageListener);
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pageMenu.setSelectedIndex(pageStart/maxPerPage);
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pageMenu.addActionListener(pageListener);
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}
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}
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void makeList()
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{
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HtmlFormat html=new HtmlFormat();
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html.setModel(getModel());
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StringBuffer page=new StringBuffer();
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page.append(html.makeHeader());
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ActList as=getModel().getActs();
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if (as==null || as.size()==0 && getModel().getDB().size()==0)
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{
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page.append("<tr><td><h1><font color=#003399>Empty Database</font></h1></td></tr>");
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showPageMenu(false);
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}
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else
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{
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if (sort==null)
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{
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Field timeField=getModel().getDB().getField(VirtualField.START);
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if (timeField!=null)
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sort=ActComparator.by(timeField);
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}
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acts=as.copy();
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if (sort!=null)
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Collections.sort(acts, sort);
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boolean pages=acts.size()>maxPerPage;
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int last=Math.min(acts.size(), pageStart+maxPerPage);
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if (pages)
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{
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int n=acts.size();
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if (lastSize!=n)
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{
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pageMenu.removeActionListener(pageListener);
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pageMenu.removeAllItems();
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for (int i=0; i*maxPerPage<n;i++)
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{
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pageMenu.addItem("Items "+((i*maxPerPage)+1)+" to "+
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Math.min(n, (i+1)*maxPerPage));
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}
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pageMenu.addActionListener(pageListener);
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lastSize=n;
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}
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}
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showPageMenu(pages);
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page.append("<tr><td><h1><font color=#003399>"+(pages? (pageStart+1)+"-"+(last) +" of ": "")+acts.size()+" Events</font></h1>");
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page.append("<br><br></td></tr>");
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for (int i=pageStart; i<last; i++)
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{
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Act a=acts.get(i);
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page.append(html.makeItem(a,i));
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}
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}
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page.append(html.makeFooter());
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listDisplay.setText(page.toString());
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listDisplay.setCaretPosition(0);
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repaint();
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}
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@Override
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public String getName() {
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return "List";
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}
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static class ArrayRenderer extends DefaultTableCellRenderer {
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public void setValue(Object value) {
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setText(Display.arrayToString((Object[])value));
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}
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}
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public class LinkIt implements HyperlinkListener
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{
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public void hyperlinkUpdate(HyperlinkEvent e)
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{
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if (e.getEventType() != HyperlinkEvent.EventType.ACTIVATED)
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return;
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String s=e.getDescription();
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System.out.println(s);
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if (s.length()>0)
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{
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char c=s.charAt(0);
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if (c=='e') // code for "edit"
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{
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int i=Integer.parseInt(s.substring(1));
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EditRecordPanel.edit(getModel(), acts.get(i));
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return;
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}
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}
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Display.launchBrowser(e.getURL().toString());
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}
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}
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}
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