io Programmo 25/IOPROG_25.ISO/SOFT/JavaS/javastar-eval.exe/data1.cab/Program_Files/examples/namedb2/searchPop.java

Java Source | 1999-02-11 | 5.7 KB | 244 lines

/* ****************************************************************
** @(#)searchPop.java    1.4 97/05/23
**
** Copyright 1997 Sun Microsystems, Inc. All Rights Reserved
**
** ****************************************************************
*/

import java.awt.*;
import java.util.Vector;
import java.util.StringTokenizer;

public class searchPop extends Frame {

  private Vector search;
  private Vector foundindex;

  private String labels[];

  private namedb parent;

  private searchPop gui;

  public Label field_label;
  public Choice field_choice;
  public Label param_label;
  public TextField param_text;
  public Label result_label;
  public List result_list;
  public Button search_button;
  public Button view_button;
  public Button exit_button;

public void init() {
  gui=(searchPop)this;
  setTitle("Search");

  labels=new String[7];
  labels[0]="all";
  labels[1]="name";
  labels[2]="address1";
  labels[3]="address2";
  labels[4]="phone";
  labels[5]="email";
  labels[6]="other";

  // main panel
  GridBagLayout grid = new GridBagLayout();
  int rowHeights[] = {10,20,20,20,20,20,20,20,20,20,20};
  int columnWidths[] = {30,30,30,30,30,30,30};
  double rowWeights[] = {0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0};
  double columnWeights[] = {0.0,0.0,0.0,0.0,0.0,0.0,0.0};
  grid.rowHeights = rowHeights;
  grid.columnWidths = columnWidths;
  grid.rowWeights = rowWeights;
  grid.columnWeights = columnWeights;

  field_label=new Label("select criteria:");
  add(field_label);

  field_choice=new Choice();
  add(field_choice);

  param_label=new Label("contains strings:");
  add(param_label);

  param_text=new TextField(30);
  add(param_text);

  result_label=new Label("search results:");
  add(result_label);

  result_list=new List(5);
  add(result_list);

  search_button=new Button("Search");
  add(search_button);

  view_button=new Button("View Result");
  add(view_button);

  exit_button=new Button("Close");
  add(exit_button);

  GridBagConstraints con = new GridBagConstraints();
  reset(con);
  con.gridx = 1;
  con.gridy = 1;
  con.gridwidth = 1;
  con.gridheight = 1;
  con.anchor = GridBagConstraints.WEST;
  grid.setConstraints(field_label, con);

  con = new GridBagConstraints();
  reset(con);
  con.gridx = 2;
  con.gridy = 1;
  con.gridwidth = 1;
  con.gridheight = 1;
  con.anchor = GridBagConstraints.WEST;
  grid.setConstraints(field_choice, con);

  reset(con);
  con.gridx = 1;
  con.gridy = 2;
  con.gridwidth = 1;
  con.gridheight = 1;
  con.anchor = GridBagConstraints.WEST;
  grid.setConstraints(param_label, con);

  reset(con);
  con.gridx = 2;
  con.gridy = 2;
  con.gridwidth = 4;
  con.gridheight = 1;
  con.anchor = GridBagConstraints.WEST;
  grid.setConstraints(param_text, con);

  reset(con);
  con.gridx = 1;
  con.gridy = 4;
  con.gridwidth = 1;
  con.gridheight = 1;
  con.anchor = GridBagConstraints.WEST;
  grid.setConstraints(result_label, con);

  reset(con);
  con.gridx = 2;
  con.gridy = 4;
  con.gridwidth = 3;
  con.gridheight = 4;
  con.anchor = GridBagConstraints.WEST;
  grid.setConstraints(result_list, con);

  reset(con);
  con.gridx = 2;
  con.gridy = 9;
  con.gridwidth = 1;
  con.gridheight = 1;
  con.fill = GridBagConstraints.HORIZONTAL;
  con.anchor = GridBagConstraints.WEST;
  grid.setConstraints(search_button, con);

  reset(con);
  con.gridx = 3;
  con.gridy = 9;
  con.gridwidth = 1;
  con.gridheight = 1;
  con.anchor = GridBagConstraints.WEST;
  con.fill = GridBagConstraints.HORIZONTAL;
  grid.setConstraints(view_button, con);

  reset(con);
  con.gridx = 4;
  con.gridy = 9;
  con.gridwidth = 1;
  con.gridheight = 1;
  con.anchor = GridBagConstraints.WEST;
  con.fill = GridBagConstraints.HORIZONTAL;
  grid.setConstraints(exit_button, con);

  // Resize behavior management and parent heirarchy
  setLayout(grid);

  for(int i=0;i<6;i++) {
    field_choice.add(labels[i]);
  }
  field_choice.select(0);
}

public boolean handleEvent(Event event) {

  if (event.target == exit_button && event.id == event.ACTION_EVENT) {
    dispose();
  } else
  if (event.target == view_button && event.id == event.ACTION_EVENT) {
    viewit();
  } else
  if (event.target == search_button && event.id == event.ACTION_EVENT) {
    search();
  } else
    return super.handleEvent(event);

  return true;
}

  private void reset(GridBagConstraints con) {
    con.gridx = GridBagConstraints.RELATIVE;
    con.gridy = GridBagConstraints.RELATIVE;
    con.gridwidth = 1;
    con.gridheight = 1;

    con.weightx = 0;
    con.weighty = 0;
    con.anchor = GridBagConstraints.CENTER;
    con.fill = GridBagConstraints.NONE;

    con.insets = new Insets(0, 0, 0, 0);
    con.ipadx = 0;
    con.ipady = 0;


}
  public void search() {
    foundindex=parent.getRoloApi().searchIt( field_choice.getSelectedIndex(),
                     param_text.getText() );
    result_list.removeAll();
    RoloEntry re;
    for (int i=0;i<foundindex.size();i++) {
      re=parent.getRoloApi().getEntry(((Integer)foundindex.elementAt(i)).intValue());
      result_list.add( re.name );
    }
  }

  public void clearsearch() {
    field_choice.select(0);
    param_text.setText("");
    result_list.removeAll();
  }

  public void viewit() {
    int item=result_list.getSelectedIndex();
    if (item== -1)
      return;
    int view=((Integer)foundindex.elementAt(item)).intValue();
    parent.getRoloApi().showEntry(view);
    parent.updateScreen();
  }
  public void showit() {
    pack();
    show();
  }
  public void setParent(namedb caller) {
    parent = caller;
  }

}