gvsig-tools / org.gvsig.tools / library / trunk / org.gvsig.tools / org.gvsig.tools.dynform / org.gvsig.tools.dynform.services / src / main / java / org / gvsig / tools / dynform / services / dynformfield / File / JDynFormFieldFile.java @ 2846
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/**
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright (C) 2007-2013 gvSIG Association.
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*
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* This program is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License as published by the Free Software
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* Foundation; either version 3 of the License, or (at your option) any later
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* version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc., 51
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* Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* For any additional information, do not hesitate to contact us at info AT
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* gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.tools.dynform.services.dynformfield.File; |
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import java.awt.BorderLayout; |
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import java.awt.event.ActionEvent; |
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import java.awt.event.FocusEvent; |
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import java.awt.event.FocusListener; |
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import java.io.File; |
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import java.util.Objects; |
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import javax.swing.JButton; |
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import javax.swing.JFileChooser; |
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import javax.swing.JPanel; |
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import javax.swing.event.DocumentEvent; |
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import javax.swing.event.DocumentListener; |
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import javax.swing.filechooser.FileFilter; |
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import javax.swing.filechooser.FileNameExtensionFilter; |
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import javax.swing.text.JTextComponent; |
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import org.apache.commons.lang3.StringUtils; |
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import org.gvsig.tools.ToolsLocator; |
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import org.gvsig.tools.dynform.DynFormFieldDefinition; |
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import org.gvsig.tools.dynform.JDynFormField; |
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import org.gvsig.tools.dynform.spi.DynFormSPIManager; |
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import org.gvsig.tools.dynform.spi.dynformfield.JDynFormFieldFactory; |
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import org.gvsig.tools.dynform.spi.dynformfield.AbstractJDynFormField; |
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import org.gvsig.tools.dynobject.Tags; |
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public class JDynFormFieldFile extends AbstractJDynFormField implements JDynFormField, FocusListener { |
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protected File assignedValue = null; |
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protected File currentValue = null; |
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protected JTextComponent jtext = null; |
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protected JButton jbutton = null; |
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protected boolean readonly = false; |
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public JDynFormFieldFile(
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DynFormSPIManager serviceManager, |
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DynFormSPIManager.ComponentsFactory componentsFactory, |
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JDynFormFieldFactory factory, |
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DynFormFieldDefinition definition, |
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Object value
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) { |
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super(serviceManager, componentsFactory, factory, definition, value);
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this.assignedValue = (File) value; |
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} |
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@Override
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public void setReadOnly(boolean readonly) { |
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super.setReadOnly(readonly);
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if (this.contents != null) { |
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if (readonly) {
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this.jtext.setEditable(false); |
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this.jbutton.setEnabled(false); |
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} else {
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this.jtext.setEditable(true); |
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this.jbutton.setEnabled(true); |
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} |
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} |
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} |
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@Override
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public Object getAssignedValue() { |
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return this.assignedValue; |
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} |
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@Override
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public void initComponent() { |
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this.contents = new JPanel(); |
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this.contents.setLayout(new BorderLayout()); |
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JTextComponent text = this.getComponentsFactory().getJTextField(this.getDefinition(), null); |
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this.jtext = text;
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this.fixPreferredWidth(text);
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text.addFocusListener(this);
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//this.jtext.setEditable(false);
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this.jtext.addFocusListener(new FocusListener() { |
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@Override
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public void focusGained(FocusEvent e) { |
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fireFieldEnterEvent(); |
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} |
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@Override
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public void focusLost(FocusEvent e) { |
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fireFieldExitEvent(); |
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} |
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}); |
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text.getDocument().addDocumentListener(new DocumentListener() { |
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@Override
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public void insertUpdate(DocumentEvent e) { |
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fireFieldChangedEvent(); |
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} |
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@Override
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public void removeUpdate(DocumentEvent e) { |
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fireFieldChangedEvent(); |
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} |
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@Override
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public void changedUpdate(DocumentEvent e) { |
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fireFieldChangedEvent(); |
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} |
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}); |
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this.jbutton = this.getComponentsFactory().getJButton(this.getDefinition(), null); |
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this.jbutton.setIcon(this.getIcon("picker-file")); |
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if( StringUtils.equals("...", this.jbutton.getText()) ) { |
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this.jbutton.setText(""); |
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} |
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this.jbutton.addActionListener((ActionEvent e) -> { |
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fireFieldEnterEvent(); |
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onClickBrowse(); |
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}); |
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this.contents.add(jtext, BorderLayout.CENTER); |
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this.contents.add(jbutton, BorderLayout.LINE_END); |
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this.contents.setVisible(true); |
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if (this.readonly) { |
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this.jtext.setEditable(false); |
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this.jbutton.setEnabled(false); |
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} else {
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this.jtext.setEditable(true); |
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this.jbutton.setEnabled(true); |
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} |
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this.setValue(this.assignedValue); |
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} |
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public void onClickBrowse() { |
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fireFieldEnterEvent(); |
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File previous = this.currentValue; |
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this.problemIndicator().restore();
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File initialPath = null; |
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FileFilter filter = null; |
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Tags tags = this.getDefinition().getTags();
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if (tags.has("path")) { |
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initialPath = new File((String) tags.get("path")); |
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} |
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if (tags.has("filter")) { |
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try {
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String extensions = (String) tags.get("filter"); |
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String filterDescription = extensions;
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if (tags.has("filterDescription")) { |
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filterDescription = (String) tags.get("filterDescription"); |
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} |
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filter = new FileNameExtensionFilter(filterDescription, extensions.split("[|]")); |
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} catch (Exception ex) { |
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// Ignore
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} |
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} |
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if (this.currentValue != null) { |
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initialPath = this.currentValue.getParentFile();
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} |
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File[] x = showOpenFileDialog(this.getLabel(), initialPath, filter); |
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if (x == null) { |
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return;
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} |
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this.currentValue = x[0]; |
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this.jtext.setText(x[0].getPath()); |
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this.fireFieldChangedEventIfChanged(previous);
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} |
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private void fireFieldChangedEventIfChanged(File previous) { |
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if (previous == null) { |
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if (this.currentValue == null) { |
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return;
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} |
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this.fireFieldChangedEvent();
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return;
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} |
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if (this.currentValue == null) { |
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this.fireFieldChangedEvent();
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return;
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} |
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if (previous.getPath().equals(this.currentValue.getPath())) { |
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this.fireFieldChangedEvent();
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} |
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} |
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@Override
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public void setValue(Object value) { |
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File previous = this.currentValue; |
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if (value == null) { |
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this.jtext.setText(""); |
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} else {
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if (!(value instanceof File)) { |
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LOGGER.info("setValue invoked with non File value (" + value.toString() + ")."); |
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return;
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} |
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this.jtext.setText(((File) value).getPath()); |
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this.fixPreferredWidth(this.jtext); |
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} |
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this.assignedValue = (File) value; |
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this.currentValue = this.assignedValue; |
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this.fireFieldChangedEventIfChanged(previous);
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} |
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public Object getValue() { |
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File value = null; |
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String s = ""; |
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s = this.jtext.getText();
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if (StringUtils.isBlank(s)){
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return null; |
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} |
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// if (s.trim().length() == 0) {
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// Object x = this.getDefinition().getDefaultValue();
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// if ((x != null && x instanceof File)) {
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// value = new File(x.toString());
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// } else {
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// value = null;
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// }
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// } else {
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value = new File(s); |
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// }
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return value;
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} |
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public boolean hasValidValue() { |
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return true; |
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} |
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public File[] showOpenFileDialog(String title, File initialPath, FileFilter filter) { |
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return showChooserDialog(title, JFileChooser.OPEN_DIALOG, JFileChooser.FILES_ONLY, false, initialPath, filter, true); |
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} |
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public File[] showChooserDialog( |
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final String title, |
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final int type, // SAVE_DIALOG / OPEN_DIALOG |
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final int selectionMode, // JFileChooser.FILES_ONLY, JFileChooser.DIRECTORIES_ONLY, JFileChooser.FILES_AND_DIRECTORIES |
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final boolean multiselection, |
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final File initialPath, |
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final FileFilter filter, |
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final boolean fileHidingEnabled |
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) { |
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File[] returnValue = null; |
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JFileChooser fc = new JFileChooser(); |
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fc.setDialogTitle(title); |
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fc.setDialogType(type); |
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fc.setFileSelectionMode(selectionMode); |
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fc.setMultiSelectionEnabled(multiselection); |
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fc.setCurrentDirectory(initialPath); |
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fc.setFileFilter(filter); |
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fc.setFileHidingEnabled(fileHidingEnabled); |
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int r = JFileChooser.CANCEL_OPTION; |
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switch (type) {
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case JFileChooser.SAVE_DIALOG: |
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r = fc.showSaveDialog(this.contents);
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break;
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case JFileChooser.OPEN_DIALOG: |
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default:
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r = fc.showOpenDialog(this.contents);
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break;
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} |
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if (r != JFileChooser.APPROVE_OPTION) { |
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returnValue = null;
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} else {
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if (fc.isMultiSelectionEnabled()) {
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returnValue = fc.getSelectedFiles(); |
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} else {
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returnValue = new File[]{fc.getSelectedFile()}; |
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} |
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} |
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return returnValue;
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} |
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public void focusGained(FocusEvent arg0) { |
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fireFieldEnterEvent(); |
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this.problemIndicator().restore();
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} |
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public void focusLost(FocusEvent arg0) { |
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fireFieldExitEvent(); |
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} |
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public void clear() { |
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Object value = this.getDefinition().getDefaultValue(); |
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if (value != null) { |
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value = value.toString(); |
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} else {
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value = "";
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} |
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this.jtext.setText((String) value); |
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} |
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protected Object getAbsoluteFile(Object value) { |
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if (!(value instanceof File)) { |
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return value;
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} |
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File f = (File) value; |
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if (!f.isAbsolute()) {
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Tags tags = this.getDefinition().getTags();
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if (tags.has("path")) { |
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File folder;
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if (tags.get("path") instanceof File) { |
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folder = (File) tags.get("path"); |
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} else {
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folder = new File(Objects.toString(tags.get("path"), null)); |
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} |
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File f2 = new File(folder, f.getPath()); |
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if (f2.exists()) {
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f = f2; |
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} else {
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folder = ToolsLocator.getFoldersManager().get("Project");
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if (folder != null) { |
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f = new File(folder, f.getPath()); |
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} |
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} |
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} |
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} |
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return f;
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} |
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@Override
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public boolean isModified() { |
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String s = this.jtext.getText(); |
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File assigned = (File) getAssignedValue(); |
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if (StringUtils.isBlank(s)) {
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return assigned != null; |
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} |
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try {
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File value = new File(s); |
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return !Objects.equals(value, assigned);
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} catch (Exception ex) { |
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return false; |
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} |
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} |
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} |