PC Pro 2003 March/DPPCPRO0303.ISO/Components/Microsoft ASP/_SETUP.1/ASPWizard.jar/asp/netobjects/nfx/wizard/WizardPageView.class

Java Class File | 1998-11-20 | 5.7 KB | 179 lines

package asp.netobjects.nfx.wizard;

import asp.netobjects.nfx.util.ExceptionHandler;
import com.sun.java.swing.BorderFactory;
import com.sun.java.swing.JLabel;
import com.sun.java.swing.JPanel;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Container;
import java.awt.FontMetrics;
import java.awt.Insets;
import java.util.Vector;

public class WizardPageView extends JPanel {
   private WizardPage dmWizardPage;
   private JPanel dmImagePanel;
   private JPanel dmPagePanel;
   private JPanel dmTextPanel;
   private JPanel dmContentPanel;
   private ImageCanvas dmTextCanvas;
   private int dmPagePanelLeftInset;

   public WizardPageView() {
      this.createControls();
   }

   public WizardPageView(WizardPage page) {
      this.dmWizardPage = page;
      this.createControls();
   }

   protected void createComponents() {
   }

   protected void layoutComponents() {
   }

   public void createControls() {
      ((Container)this).setLayout(new BorderLayout());
      this.createImagePanel();
      this.dmPagePanel = new JPanel();
      this.dmPagePanel.setLayout(new BorderLayout());
      this.dmPagePanel.setBorder(BorderFactory.createEmptyBorder(0, this.dmPagePanelLeftInset, 0, 0));
      ((Container)this).add("Center", this.dmPagePanel);
      this.createTextCanvas();
      this.dmContentPanel = new JPanel();
      this.dmContentPanel.setBorder(BorderFactory.createEmptyBorder(10, 0, 0, 0));
      this.dmPagePanel.add("Center", this.dmContentPanel);
   }

   private void createImagePanel() {
      if (this.getModel() != null) {
         if (this.getModel().getIcon() != null) {
            this.dmImagePanel = new JPanel();
            this.dmImagePanel.setLayout(new BorderLayout());
            this.dmImagePanel.setBorder(BorderFactory.createBevelBorder(1, Color.white, Color.gray));
            this.dmImagePanel.add(new JLabel(this.getModel().getIcon()));
            this.dmPagePanelLeftInset = 10;
            if (this.dmPagePanel != null) {
               this.dmPagePanel.setBorder(BorderFactory.createEmptyBorder(0, this.dmPagePanelLeftInset, 0, 0));
            }

            ((Container)this).add("West", this.dmImagePanel);
         } else if (this.dmImagePanel != null) {
            ((Container)this).remove(this.dmImagePanel);
            this.dmPagePanel.setBorder(BorderFactory.createEmptyBorder(0, 0, 0, 0));
         }

      }
   }

   private void createTextCanvas() {
      WizardPage model = null;
      if ((model = this.getModel()) != null) {
         if (this.dmTextCanvas != null) {
            ((Container)this).remove(this.dmTextCanvas);
         }

         if (model.getBulletText() != null || model.getInfoText() != null) {
            Insets insets = model.getWizard().getView().getInsets();
            int w = 470 - insets.left * 2 - 20 - this.dmPagePanelLeftInset;
            if (model.getIcon() != null) {
               w -= 70;
            }

            int h = 66;
            this.dmTextCanvas = new ImageCanvas(this, w, h);
            this.dmTextCanvas.repaint();
            this.dmPagePanel.add("North", this.dmTextCanvas);
         }
      }
   }

   public void validate() {
   }

   public WizardPage getWizardPage() {
      return this.dmWizardPage;
   }

   public WizardPage getModel() {
      return this.dmWizardPage;
   }

   public void setModel(WizardPage model) {
      this.dmWizardPage = model;
      this.createImagePanel();
      this.createTextCanvas();
   }

   public Wizard getWizard() {
      return this.dmWizardPage != null ? this.dmWizardPage.getWizard() : null;
   }

   public ExceptionHandler getExceptionHandler() {
      return this.dmWizardPage.getExceptionHandler();
   }

   public void setDirty(boolean set) {
      this.dmWizardPage.setDirty(set);
   }

   protected JPanel getContentPanel() {
      return this.dmContentPanel;
   }

   public boolean isValid() {
      return true;
   }

   private Vector toLines(String s, int width, int maxLines, FontMetrics fm) {
      Vector v = new Vector();
      int start = 0;
      int end = 0;

      for(int line = 1; (end = this.clipIndexOf(s, start, width, fm)) != -1; ++line) {
         v.addElement(s.substring(start, start + end));
         start = start + end + 1;
         if (line == maxLines) {
            break;
         }
      }

      return v;
   }

   private int clipIndexOf(String s, int idx, int width, FontMetrics fm) {
      int tot = 0;
      int start = 0;
      int end = 0;
      String str = s;
      if (idx > 0) {
         str = s.substring(idx);
      }

      int swidth = fm.charsWidth(str.toCharArray(), 0, str.length());
      if (swidth <= width) {
         return str.length() - 1;
      } else {
         while((end = str.indexOf(" ", start)) != -1) {
            String token = str.substring(start, end + 1);
            tot += fm.charsWidth(token.toCharArray(), 0, token.length());
            if (tot > width) {
               break;
            }

            start = end + 1;
         }

         return start - 1;
      }
   }

   // $FF: synthetic method
   static Vector access$0(WizardPageView $0, String $1, int $2, int $3, FontMetrics $4) {
      return $0.toLines($1, $2, $3, $4);
   }
}