|
1
10
11 package org.enhydra.jawe.wfxml;
12
13 import java.io.*;
14 import java.awt.Component  ;
15 import java.awt.Dimension ;
16 import javax.swing.*;
17 import javax.swing.JLabel ;
18 import org.enhydra.jawe.*;
19 import org.enhydra.jawe.xml.XMLButton;
20 import org.enhydra.jawe.xml.XMLElement;
21 import org.enhydra.jawe.xml.XMLUtil;
22 import org.enhydra.jawe.xml.panels.XMLComboPanel;
23 import org.enhydra.jawe.xml.panels.XMLPanel;
24
25 import java.util.*;
26 import org.enhydra.jawe.xml.*;
27
28 import java.awt.Dimension ;
29 import java.awt.event.ActionEvent ;
30 import java.awt.event.ActionListener ;
31 import java.net.URL ;
32 import java.util.List ;
33 import java.util.Vector ;
34 import javax.swing.Box ;
35 import javax.swing.JComboBox ;
36 import javax.swing.JOptionPane ;
37 import javax.swing.JTable ;
38 import javax.swing.table.DefaultTableModel ;
39 import org.enhydra.jawe.JaWE;
40 import org.enhydra.jawe.xml.*;
41 import org.enhydra.jawe.xml.panels.*;
42 import org.w3c.dom.Node ;
43
44
47 public class WfXMLComboPanel extends XMLComboPanel {
48
49 private static final int MAX_URL_HISTORY_SIZE=16;
50
51 private static String URL_HISTORY_FILE_PATH;
52 private static ArrayList urls;
53
54 private Dimension comboBoxDimension=new Dimension (350,20);
55
56 private XMLButton buttonConnect;
57
58
59 public WfXMLComboPanel (XMLElement myOwner) {
60
61 super(myOwner,null,XMLPanel.BOX_LAYOUT,false,true);
62
63 ((JLabel )getComponent(1)).setText(ResourceManager.getLanguageDependentString("RegistryServiceURL")+": ");
64
65 if (URL_HISTORY_FILE_PATH==null) {
66 URL_HISTORY_FILE_PATH=JaWEConstants.JAWE_USER_HOME+JaWEConstants.RURL_FILENAME;
67 File extR=new File(URL_HISTORY_FILE_PATH);
68 if (extR.exists()) {
69 urls=(ArrayList)readFile(URL_HISTORY_FILE_PATH);
70 }
71 if (urls==null) {
72 urls=new ArrayList();
73 }
74 }
75
76 final JComboBox jcb=super.getComboBox();
77 for (int i=0; i<urls.size(); i++) {
78 jcb.addItem(urls.get(i));
79 }
80 if (urls.size()>0) {
81 jcb.setSelectedIndex(0);
82 }
83 jcb.setPreferredSize(comboBoxDimension);
84 String s=XMLUtil.getLanguageDependentString("ConnectKey");
85 double w=0;
86 try {
87 w=getFontMetrics(getFont()).stringWidth(s);
88 } catch(Exception ex) {}
89 double h=getFontMetrics(getFont()).getHeight();
90 w+=25;
91 if (w<30) w=30;
92 Dimension dim=new Dimension ((int)w,(int)h);
93
94 buttonConnect=new XMLButton(s,"Connect",dim);
95 buttonConnect.setAlignmentX(Component.LEFT_ALIGNMENT);
96 buttonConnect.setAlignmentY(Component.BOTTOM_ALIGNMENT);
97
98 add(Box.createRigidArea(new Dimension (10,0)));
99 add(buttonConnect);
100
101 buttonConnect.addActionListener(new ActionListener (){
102 public void actionPerformed(ActionEvent ae){
103 String selected=(String )jcb.getSelectedItem();
104 if (selected!=null) {
105 addItemToCombo(selected);
106 }
107 }
108 });
109
110 }
111
112 public XMLButton getConnectButton () {
113 return buttonConnect;
114 }
115
116 public void setElements () {
117 }
118
119
122 private void addItemToCombo (String url) {
123 if (url==null || url.trim().length()==0) return;
124 JComboBox jcb=getComboBox();
125 for (int i=0; i<jcb.getItemCount(); i++) {
126 if (jcb.getItemAt(i).toString().equals(url)) {
127 jcb.removeItemAt(i);
128 jcb.insertItemAt(url,0);
129 jcb.setSelectedIndex(0);
130 urls.remove(i);
131 urls.add(0,url);
132 writeFile(urls,URL_HISTORY_FILE_PATH);
133 return;
134 }
135 }
136 jcb.insertItemAt(url,0);
137 urls.add(0,url);
138 if (jcb.getItemCount()>MAX_URL_HISTORY_SIZE) {
139 jcb.removeItemAt(MAX_URL_HISTORY_SIZE);
140 urls.remove(MAX_URL_HISTORY_SIZE);
141 }
142 jcb.setSelectedIndex(0);
143 writeFile(urls,URL_HISTORY_FILE_PATH);
144 }
145
146 private void writeFile (Object obj,String fName) {
147 try {
148 OutputStream fos = new FileOutputStream(fName);
149 ObjectOutputStream oout = new ObjectOutputStream(fos);
150 oout.writeObject(obj);
151 oout.flush();
152 oout.close();
153 fos.close();
154 } catch (Exception ex) {
155 ex.printStackTrace();
156 }
157 }
158
159 private Object readFile (String fName) {
160 try {
161 InputStream fis = new FileInputStream(fName);
162 ObjectInputStream oin = new ObjectInputStream(fis);
163 Object obj=oin.readObject();
164 oin.close();
165 return obj;
166 } catch (Exception ex) {
167 ex.printStackTrace();
168 return null;
169 }
170 }
171
172
173 }
174
175 |
Popular Tags |
Java API By Example, From Geeks To Geeks.