PrintPreviewPanel.java

package com.customfit.ctg.view.print;

import com.customfit.ctg.controller.*;
import com.customfit.ctg.view.*;
import java.awt.print.*;
import javax.swing.*;

/**
 * A Print Preview frame to contain Printable objects.
 * 
 * @author Drew
 */
public class PrintPreviewPanel extends SubPanel {

    Printable printComponent;
    JPanel tempPanel;
    
    /** Creates new form PrintPanel */
    public PrintPreviewPanel(AbstractPrintPanel p) {
    
        initComponents();
 
        this.printComponent = p;

        this.printPanel.setViewportView(p);
    }
     
    /**
     * Extends SubPanel functionality by returning the title as being the
     * same as on the panel itself.
     * @return The title in the panel.
     */
    @Override
    public String getTitle()
    {
        //set title
        return "Print Preview";
    }

    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        jScrollPaneOuter = new javax.swing.JScrollPane();
        jDesktopPane1 = new javax.swing.JDesktopPane();
        printPanel = new javax.swing.JScrollPane();
        jToolBar1 = new javax.swing.JToolBar();
        printButton = new javax.swing.JButton();
        jSeparator1 = new javax.swing.JToolBar.Separator();
        cancelButton = new javax.swing.JButton();

        jScrollPaneOuter.setBackground(java.awt.SystemColor.controlDkShadow);
        jScrollPaneOuter.setBorder(null);

        jDesktopPane1.setBackground(java.awt.SystemColor.controlDkShadow);
        jDesktopPane1.addComponentListener(new java.awt.event.ComponentAdapter() {
            public void componentResized(java.awt.event.ComponentEvent evt) {
                jDesktopPane1ComponentResized(evt);
            }
        });

        printPanel.setBorder(null);
        printPanel.setHorizontalScrollBarPolicy(javax.swing.ScrollPaneConstants.HORIZONTAL_SCROLLBAR_ALWAYS);
        printPanel.setVerticalScrollBarPolicy(javax.swing.ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);
        printPanel.setBounds(0, 0, 420, 310);
        jDesktopPane1.add(printPanel, javax.swing.JLayeredPane.DEFAULT_LAYER);

        jScrollPaneOuter.setViewportView(jDesktopPane1);

        jToolBar1.setRollover(true);

        printButton.setText("Print");
        printButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                printButtonActionPerformed(evt);
            }
        });
        jToolBar1.add(printButton);
        jToolBar1.add(jSeparator1);

        cancelButton.setText("Close");
        cancelButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                cancelButtonActionPerformed(evt);
            }
        });
        jToolBar1.add(cancelButton);

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(this);
        this.setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addComponent(jToolBar1, javax.swing.GroupLayout.PREFERRED_SIZE, 410, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap())
            .addComponent(jScrollPaneOuter, javax.swing.GroupLayout.DEFAULT_SIZE, 420, Short.MAX_VALUE)
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addComponent(jToolBar1, javax.swing.GroupLayout.PREFERRED_SIZE, 25, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(jScrollPaneOuter, javax.swing.GroupLayout.DEFAULT_SIZE, 310, Short.MAX_VALUE))
        );
    }// </editor-fold>//GEN-END:initComponents

    private void printButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_printButtonActionPerformed
        	PrinterJob job = PrinterJob.getPrinterJob();
		job.setPrintable(this.printComponent);
		if(job.printDialog()){
			try {
				job.print();
			}
			catch(PrinterException pe){}
			Application.getMainFrame().goBack();
		}
    }//GEN-LAST:event_printButtonActionPerformed

    private void cancelButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_cancelButtonActionPerformed
        Application.getMainFrame().goBack();
        this.setSize(WIDTH, WIDTH);
    }//GEN-LAST:event_cancelButtonActionPerformed

    private void jDesktopPane1ComponentResized(java.awt.event.ComponentEvent evt) {//GEN-FIRST:event_jDesktopPane1ComponentResized
        //make the scrollable panel with the print panel inside
        //80% of the height of the outer panel
        int previewPaneHeight = new Double(new Integer(this.jScrollPaneOuter.getVisibleRect().height).doubleValue() - 20.0).intValue();
        //then the proportion of height
        int previewPaneWidth = new Double((new Integer(previewPaneHeight)).doubleValue() * 8.5 / 11.0).intValue();
        if (previewPaneWidth > this.jScrollPaneOuter.getWidth()) {
            //if this happens, try swapping the order
            //80% of the width of the outer panel
            previewPaneWidth = new Double(new Integer(this.jScrollPaneOuter.getVisibleRect().width).doubleValue() - 20.0).intValue();
            //then the proportion of width
            previewPaneHeight = new Double((new Integer(previewPaneHeight)).doubleValue() / 11.0 * 8.5).intValue();
        }
        this.printPanel.setSize(previewPaneWidth, previewPaneHeight);
        
        //now figure out the X and Y positions
        int previewPanelX = (new Double(new Integer(this.jScrollPaneOuter.getVisibleRect().width).doubleValue()).intValue() - previewPaneWidth) / 2;
        int previewPanelY = (new Double(new Integer(this.jScrollPaneOuter.getVisibleRect().height).doubleValue()).intValue() - previewPaneHeight) / 2;
        this.printPanel.setLocation(previewPanelX, previewPanelY);
        System.out.println("W=" + previewPaneWidth + ";H=" + previewPaneHeight + ";X=" + previewPanelX + ";Y=" + previewPanelY);
}//GEN-LAST:event_jDesktopPane1ComponentResized

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton cancelButton;
    private javax.swing.JDesktopPane jDesktopPane1;
    private javax.swing.JScrollPane jScrollPaneOuter;
    private javax.swing.JToolBar.Separator jSeparator1;
    private javax.swing.JToolBar jToolBar1;
    private javax.swing.JButton printButton;
    private javax.swing.JScrollPane printPanel;
    // End of variables declaration//GEN-END:variables
      
//    @Override
//    public void setSize(int width, int height)
//    {
//        int newHeight = new Double((new Integer(width).doubleValue() / 8.5) * 11.0).intValue();
//        super.setSize(width, newHeight);
//        //do what you should
////        super.setSize(width, height);
//        //but also set the size for our printable area so that it's in
//        //proportion to the paper (8.5x11)
//        int printHeight = this.jPanelOuter.getVisibleRect().height;
//        int printWidth = new Double((new Integer(printHeight)).doubleValue() / 8.5 * 11.0).intValue();
//        this.printPanel.setSize(printWidth, printHeight);
//    }
//
//    @Override
//    public void setSize(Dimension dimension)
//    {
//        setSize(dimension.width, dimension.height);
//    }

}