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1 package org.lobobrowser.html.renderer;
2
3
4 import javax.swing.*;
5 import java.util.*;
6
7 import org.lobobrowser.html.domimpl.*;
8 import org.lobobrowser.util.gui.WrapperLayout;
9 import org.w3c.dom.Node  ;
10 import org.w3c.dom.html2.*;
11
12 class InputSelectControl extends BaseInputControl {
13 private static final OptionFilter OPTION_FILTER = new OptionFilter();
14 private final JComboBox comboBox;
15
16 public InputSelectControl(HTMLBaseInputElement modelNode) {
17 super(modelNode);
18 this.setLayout(WrapperLayout.getInstance());
19 JComboBox comboBox = new JComboBox();
20 this.add(comboBox);
21 this.comboBox = comboBox;
22 }
23
24 public void reset(int availWidth, int availHeight) {
25 super.reset(availWidth, availHeight);
26 HTMLElementImpl selectElement = this.controlElement;
27 ArrayList list = selectElement.getDescendents(OPTION_FILTER);
28 Iterator i = list.iterator();
29 JComboBox comboBox = this.comboBox;
30 comboBox.removeAllItems();
31 while(i.hasNext()) {
32 HTMLOptionElement option = (HTMLOptionElement) i.next();
33 OptionItem item = new OptionItem(option);
34 comboBox.addItem(item);
35 if(option.getDefaultSelected()) {
36 comboBox.setSelectedItem(item);
37 }
38 }
39 }
40
41 public String getValue() {
42 OptionItem item = (OptionItem) this.comboBox.getSelectedItem();
43 if(item == null) {
44 return null;
45 }
46 else {
47 return item.getValue();
48 }
49 }
50
51 public boolean getMultiple() {
52 return false;
53 }
54
55 public void setMultiple(boolean value) {
56 if(value) {
57 throw new UnsupportedOperationException ();
59 }
60 }
61
62 public int getSelectedIndex() {
63 return this.comboBox.getSelectedIndex();
64 }
65
66 public void setSelectedIndex(int value) {
67 this.comboBox.setSelectedIndex(value);
68 }
69
70 public int getVisibleSize() {
71 return this.comboBox.getMaximumRowCount();
72 }
73
74 public void setVisibleSize(int value) {
75 this.comboBox.setMaximumRowCount(value);
76 }
77
78 public void resetInput() {
79 this.comboBox.setSelectedIndex(-1);
80 }
81
82 private static class OptionFilter implements NodeFilter {
83 public boolean accept(Node node) {
84 return node instanceof HTMLOptionElement;
85 }
86 }
87
88 private static class OptionItem {
89 private final HTMLOptionElement option;
90 private final String caption;
91
92 public OptionItem(HTMLOptionElement option) {
93 this.option = option;
94 String label = option.getLabel();
95 if(label == null) {
96 this.caption = option.getText();
97 }
98 else {
99 this.caption = label;
100 }
101 }
102
103 public String toString() {
104 return this.caption;
105 }
106
107 public String getValue() {
108 String value = this.option.getValue();
109 if(value == null) {
110 value = this.option.getText();
111 }
112 return value;
113 }
114 }
115 }
116 |
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