svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.plugin / org.gvsig.labeling.app / org.gvsig.labeling.app.mainplugin / src / main / java / org / gvsig / labeling / gui / layerproperties / LabelExpressionEditorPanel.java @ 42981
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1 | 40911 | jldominguez | package org.gvsig.labeling.gui.layerproperties; |
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2 | |||
3 | import java.awt.Component; |
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4 | import java.awt.GridBagConstraints; |
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5 | import java.awt.GridBagLayout; |
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6 | import java.awt.Insets; |
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7 | import java.awt.event.ActionEvent; |
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8 | import java.awt.event.ActionListener; |
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9 | import java.awt.event.MouseEvent; |
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10 | import java.awt.event.MouseListener; |
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11 | |||
12 | import javax.swing.BorderFactory; |
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13 | import javax.swing.JButton; |
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14 | import javax.swing.JList; |
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15 | import javax.swing.JPanel; |
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16 | import javax.swing.JScrollPane; |
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17 | import javax.swing.JTextArea; |
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18 | import javax.swing.ScrollPaneConstants; |
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19 | |||
20 | import org.gvsig.andami.ui.mdiManager.IWindow; |
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21 | import org.gvsig.andami.ui.mdiManager.WindowInfo; |
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22 | import org.gvsig.app.ApplicationLocator; |
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23 | import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
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24 | import org.gvsig.i18n.Messages; |
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25 | |||
26 | public class LabelExpressionEditorPanel extends JPanel implements |
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27 | IWindow, ActionListener, MouseListener { |
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28 | private static final String CANCEL_ACTION = "CANCEL"; |
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29 | private static final String ACCEPT_ACTION = "ACCEPT"; |
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30 | private static final String ADDFIELD_ACTION = "ADD_FIELD"; |
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31 | private String originalValue; |
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32 | private String value; |
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33 | private WindowInfo wInfo = null; |
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34 | private String[] fieldNames; |
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35 | private int[] fieldTypes; |
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36 | private JButton botCancel; |
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37 | private JButton botAccept; |
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38 | private JButton botAddField; |
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39 | private JScrollPane spExpression; |
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40 | private JTextArea txtExpression; |
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41 | private JScrollPane spFieldList; |
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42 | private JList lstFields; |
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43 | |||
44 | public LabelExpressionEditorPanel(FeatureAttributeDescriptor[] atts) { |
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45 | super();
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46 | |||
47 | int n = atts.length;
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48 | this.fieldNames = new String[n]; |
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49 | this.fieldTypes = new int[n]; |
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50 | for (int i=0; i<n; i++) { |
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51 | this.fieldNames[i] = atts[i].getName();
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52 | this.fieldTypes[i] = atts[i].getType();
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53 | } |
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54 | initialize(); |
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55 | } |
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56 | |||
57 | private void initialize() { |
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58 | this.setLayout(new GridBagLayout()); |
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59 | |||
60 | GridBagConstraints baseConst = new GridBagConstraints(); |
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61 | baseConst.ipadx = 2;
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62 | baseConst.ipady = 2;
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63 | baseConst.anchor = baseConst.CENTER; |
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64 | baseConst.insets = new Insets(2,2,2,2); |
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65 | |||
66 | GridBagConstraints con;
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67 | |||
68 | con = (GridBagConstraints) baseConst.clone();
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69 | |||
70 | con.gridx = 0;
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71 | con.gridy = 0;
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72 | con.gridheight = 3;
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73 | con.gridwidth = 2;
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74 | con.fill = con.BOTH; |
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75 | con.weightx = 1;
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76 | con.weighty = 1;
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77 | this.add(getFieldListComposition(), con);
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78 | |||
79 | con = (GridBagConstraints) baseConst.clone();
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80 | con.gridx = 2;
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81 | con.gridy = 2;
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82 | con.fill = con.NONE; |
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83 | this.add(getBotAddField(), con);
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84 | |||
85 | con.gridx = 0;
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86 | con.gridy = 3;
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87 | con.gridheight = 4;
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88 | con.gridwidth = 5;
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89 | con.fill = con.BOTH; |
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90 | con.weightx = 1;
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91 | con.weighty = 1;
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92 | this.add(getExpressionComposition(), con);
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93 | |||
94 | con = (GridBagConstraints) baseConst.clone();
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95 | con.gridx = 3;
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96 | con.gridy = 8;
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97 | con.fill = con.NONE; |
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98 | this.add(getBotAccept(), con);
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99 | |||
100 | con = (GridBagConstraints) baseConst.clone();
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101 | con.gridx = 4;
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102 | con.gridy = 8;
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103 | con.fill = con.NONE; |
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104 | this.add(getBotCancel(), con);
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105 | |||
106 | } |
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107 | |||
108 | private JButton getBotCancel() { |
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109 | if (botCancel == null) { |
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110 | |||
111 | botCancel = new JButton(Messages.getText("cancel")); |
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112 | botCancel.setActionCommand(CANCEL_ACTION); |
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113 | botCancel.addActionListener(this);
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114 | } |
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115 | return botCancel;
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116 | } |
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117 | |||
118 | private JButton getBotAccept() { |
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119 | if (botAccept == null) { |
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120 | botAccept = new JButton(Messages.getText("accept")); |
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121 | botAccept.setActionCommand(ACCEPT_ACTION); |
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122 | botAccept.addActionListener(this);
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123 | } |
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124 | return botAccept;
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125 | |||
126 | } |
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127 | |||
128 | private Component getExpressionComposition() { |
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129 | if (spExpression == null) { |
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130 | spExpression = new JScrollPane(); |
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131 | spExpression.setViewportView(getTxtExpression()); |
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132 | spExpression.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);
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133 | spExpression.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
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134 | spExpression |
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135 | .setBorder(BorderFactory.createTitledBorder(
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136 | Messages.getText("expression")));
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137 | } |
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138 | return spExpression;
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139 | } |
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140 | |||
141 | private JTextArea getTxtExpression() { |
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142 | if (txtExpression == null){ |
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143 | txtExpression = new JTextArea(); |
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144 | } |
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145 | return txtExpression;
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146 | } |
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147 | |||
148 | public void setExpression(String expr){ |
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149 | this.getTxtExpression().setText(expr);
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150 | } |
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151 | |||
152 | public String getExpression(){ |
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153 | return this.getTxtExpression().getText(); |
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154 | } |
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155 | |||
156 | private JButton getBotAddField() { |
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157 | if (botAddField == null) { |
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158 | botAddField = new JButton(Messages.getText("add_field")); |
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159 | botAddField.setActionCommand(ADDFIELD_ACTION); |
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160 | botAddField.addActionListener(this);
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161 | } |
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162 | return botAddField;
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163 | |||
164 | } |
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165 | |||
166 | private Component getFieldListComposition() { |
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167 | if (spFieldList == null){ |
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168 | spFieldList = new JScrollPane(); |
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169 | spFieldList.setViewportView(getLstFields()); |
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170 | spFieldList.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);
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171 | spFieldList.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
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172 | spFieldList |
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173 | .setBorder(BorderFactory.createTitledBorder(
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174 | Messages.getText("fields")));
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175 | |||
176 | } |
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177 | return spFieldList;
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178 | } |
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179 | |||
180 | private JList getLstFields() { |
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181 | if (lstFields == null){ |
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182 | lstFields = new JList(this.fieldNames); |
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183 | lstFields.addMouseListener(this);
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184 | } |
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185 | return lstFields;
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186 | } |
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187 | |||
188 | public WindowInfo getWindowInfo() {
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189 | if (wInfo == null) { |
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190 | wInfo = new WindowInfo(WindowInfo.RESIZABLE
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191 | + WindowInfo.MODALDIALOG); |
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192 | wInfo.setWidth(500);
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193 | wInfo.setHeight(400);
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194 | wInfo.setTitle(Messages.getText("expression"));
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195 | } |
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196 | return wInfo;
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197 | } |
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198 | |||
199 | public Object getWindowProfile() { |
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200 | return WindowInfo.EDITOR_PROFILE;
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201 | } |
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202 | |||
203 | public void setValue(String value) { |
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204 | this.originalValue = value;
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205 | this.value = value;
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206 | this.setExpression(value);
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207 | } |
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208 | |||
209 | public String getValue() { |
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210 | return this.value; |
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211 | } |
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212 | |||
213 | public void actionPerformed(ActionEvent e) { |
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214 | doAction(e.getActionCommand()); |
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215 | } |
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216 | |||
217 | private void doAction(String action){ |
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218 | if (action.equals(ADDFIELD_ACTION)){
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219 | JTextArea txt = getTxtExpression();
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220 | StringBuffer strb = new StringBuffer(); |
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221 | String str = txt.getText();
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222 | int sini = txt.getSelectionStart();
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223 | int send = txt.getSelectionEnd();
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224 | if (sini > 0){ |
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225 | strb.append(str.substring(0, sini));
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226 | str = str.substring(sini); |
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227 | } |
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228 | // strb.append('[');
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229 | strb.append((String)getLstFields().getSelectedValue());
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230 | // strb.append(']');
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231 | send = send -sini; |
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232 | if (send > 0){ |
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233 | str = str.substring(send); |
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234 | } |
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235 | strb.append(str); |
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236 | |||
237 | getTxtExpression().setText(strb.toString()); |
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238 | |||
239 | } else {
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240 | // Accept or cancel
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241 | if (action.equals(ACCEPT_ACTION)){
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242 | this.value = getExpression();
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243 | } else {
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244 | this.value = this.originalValue; |
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245 | } |
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246 | ApplicationLocator.getManager().getUIManager().closeWindow(this);
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247 | } |
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248 | } |
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249 | |||
250 | public void mouseClicked(MouseEvent e) { |
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251 | if (e.getSource() == getLstFields()){
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252 | if (e.getButton() == MouseEvent.BUTTON1 && e.getClickCount() > 1){ |
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253 | doAction(ADDFIELD_ACTION); |
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254 | } |
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255 | } |
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256 | |||
257 | |||
258 | } |
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259 | |||
260 | public void mouseEntered(MouseEvent e) { |
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261 | // Do nothing
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262 | |||
263 | } |
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264 | |||
265 | public void mouseExited(MouseEvent e) { |
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266 | // Do nothing
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267 | } |
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268 | |||
269 | public void mousePressed(MouseEvent e) { |
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270 | // Do nothing
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271 | |||
272 | } |
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273 | |||
274 | public void mouseReleased(MouseEvent e) { |
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275 | // Do nothing
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276 | |||
277 | } |
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278 | } |