/******************************************************************************
* Copyright (C) 2011-2013 Fabio Zadrozny and others
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Fabio Zadrozny <fabiofz@gmail.com> - initial API and implementation
* Andrew Ferrazzutti <aferrazz@redhat.com> - ongoing maintenance
******************************************************************************/
package org.python.pydev.django.ui;
import java.util.Map;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.Path;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.dialogs.PropertyPage;
import org.python.pydev.core.ICodeCompletionASTManager;
import org.python.pydev.core.IModule;
import org.python.pydev.core.IPythonPathNature;
import org.python.pydev.core.log.Log;
import org.python.pydev.django.launching.DjangoConstants;
import org.python.pydev.editor.codecompletion.revisited.ProjectModulesManager;
import org.python.pydev.plugin.nature.PythonNature;
import org.python.pydev.shared_core.string.StringUtils;
public class DjangoProjectProperties extends PropertyPage {
/**
* This is the project we are editing
*/
private IProject project;
private Text textDjangoSettings;
private Text textDjangoManage;
private Label labelErrorSettings;
private Label labelErrorManage;
public DjangoProjectProperties() {
}
@Override
protected Control createContents(Composite parent) {
project = (IProject) getElement().getAdapter(IProject.class);
Composite topComp = new Composite(parent, SWT.NONE);
GridLayout innerLayout = new GridLayout();
innerLayout.numColumns = 2;
innerLayout.marginHeight = 0;
innerLayout.marginWidth = 0;
topComp.setLayout(innerLayout);
GridData gd = new GridData(GridData.FILL_BOTH);
topComp.setLayoutData(gd);
if (project != null) {
try {
IPythonPathNature pathNature = PythonNature.getPythonPathNature(project);
final PythonNature nature = PythonNature.getPythonNature(project);
Map<String, String> variableSubstitution = pathNature.getVariableSubstitution(false);
Label label = new Label(topComp, SWT.None);
label.setText("Django manage.py");
Text text = new Text(topComp, SWT.BORDER);
textDjangoManage = text;
textDjangoManage
.setToolTipText("This is the name of the project-relative location of manage.py (i.e.: src/myapp/manage.py)");
label = new Label(topComp, SWT.None);
labelErrorManage = new Label(topComp, SWT.None);
labelErrorManage.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
ModifyListener manageValidator = new ModifyListener() {
@Override
public void modifyText(ModifyEvent e) {
try {
String path = textDjangoManage.getText().trim();
if (path.trim().length() == 0) {
labelErrorSettings
.setText("Please specify the manage.py relative name (i.e.: src/myapp/manage.py)");
return;
}
IFile file = project.getFile(new Path(path));
if (!file.exists()) {
labelErrorManage.setText(StringUtils.format("File: %s could not be found.", path));
} else {
labelErrorManage.setText("");
}
} catch (Exception e1) {
Log.log(e1);
}
}
};
text.addModifyListener(manageValidator);
text.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
String string = variableSubstitution.get(DjangoConstants.DJANGO_MANAGE_VARIABLE);
if (string != null) {
text.setText(string);
} else {
text.setText("");
}
// Settings
label = new Label(topComp, SWT.None);
label.setText("Django settings module");
text = new Text(topComp, SWT.BORDER);
textDjangoSettings = text;
textDjangoSettings
.setToolTipText("This is the name of the django settings module (i.e.: myapp.settings)");
label = new Label(topComp, SWT.None);
labelErrorSettings = new Label(topComp, SWT.None);
labelErrorSettings.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
ModifyListener settingsValidator = new ModifyListener() {
@Override
public void modifyText(ModifyEvent e) {
try {
String moduleName = textDjangoSettings.getText().trim();
if (moduleName.trim().length() == 0) {
labelErrorSettings
.setText("Please specify the name of the module (i.e.: myapp.settings)");
return;
}
ICodeCompletionASTManager astManager = nature.getAstManager();
ProjectModulesManager modulesManager = (ProjectModulesManager) astManager
.getModulesManager();
IModule moduleInDirectManager = modulesManager.getModuleInDirectManager(moduleName, nature,
true);
if (moduleInDirectManager == null) {
labelErrorSettings.setText(StringUtils.format("Module: %s could not be found.",
moduleName));
} else {
labelErrorSettings.setText("");
}
} catch (Exception e1) {
Log.log(e1);
}
}
};
text.addModifyListener(settingsValidator);
text.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
string = variableSubstitution.get(DjangoConstants.DJANGO_SETTINGS_MODULE);
if (string != null) {
text.setText(string);
} else {
text.setText("");
}
} catch (Exception e) {
Log.log(e);
}
} else {
Label label = new Label(topComp, SWT.None);
label.setText("Internal error: project not set!");
}
return topComp;
}
@Override
public void dispose() {
super.dispose();
if (textDjangoManage != null) {
textDjangoManage.dispose();
textDjangoManage = null;
}
if (textDjangoSettings != null) {
textDjangoSettings.dispose();
textDjangoSettings = null;
}
}
/**
* Saves values.
*/
@Override
public boolean performOk() {
try {
IPythonPathNature pythonPathNature = PythonNature.getPythonPathNature(project);
Map<String, String> variableSubstitution = pythonPathNature.getVariableSubstitution(false);
boolean changed = update(DjangoConstants.DJANGO_MANAGE_VARIABLE, variableSubstitution,
textDjangoManage.getText(), pythonPathNature);
changed = update(DjangoConstants.DJANGO_SETTINGS_MODULE, variableSubstitution,
textDjangoSettings.getText(), pythonPathNature) || changed;
if (changed) {
pythonPathNature.setVariableSubstitution(variableSubstitution);
PythonNature pythonNature = PythonNature.getPythonNature(project);
if (pythonNature != null && (changed || pythonNature.getAstManager() == null)) {
pythonNature.rebuildPath();
}
}
} catch (Exception e) {
Log.log(e);
}
return true;
}
private boolean update(String varName, Map<String, String> currVariableSubstitution, String text,
IPythonPathNature pythonPathNature) {
boolean changed = false;
String currVal = currVariableSubstitution.get(varName);
String trimmed = text.trim();
if (currVal == null) {
changed = trimmed.length() != 0;
} else {
changed = !currVal.equals(trimmed);
}
if (changed) {
if (trimmed.length() == 0) {
currVariableSubstitution.remove(varName);
} else {
currVariableSubstitution.put(varName, trimmed);
}
}
return changed;
}
}