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checks for file modifications

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bancika
2011-01-15 14:04:33 +00:00
parent d16ee1d890
commit 52df431beb
8 changed files with 248 additions and 52 deletions
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diy-layout-creator --username bancika@gmail.com/DIYLC/src/org/diylc/presenter/Presenter.java
+139 -13
View File
@@ -10,6 +10,11 @@ import java.awt.Rectangle;
import java.awt.RenderingHints;
import java.awt.geom.Area;
import java.awt.geom.Point2D;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Modifier;
import java.util.ArrayList;
import java.util.Collection;
@@ -24,6 +29,7 @@ import java.util.Set;
import javax.swing.Action;
import javax.swing.Icon;
import javax.swing.JComponent;
import javax.swing.JOptionPane;
import org.apache.log4j.Logger;
import org.diylc.common.BadPositionException;
@@ -48,6 +54,8 @@ import com.diyfever.gui.miscutils.Utils;
import com.diyfever.gui.simplemq.MessageDispatcher;
import com.diyfever.gui.update.VersionNumber;
import com.rits.cloning.Cloner;
import com.thoughtworks.xstream.XStream;
import com.thoughtworks.xstream.io.xml.DomDriver;
/**
* The main presenter class, contains core app logic and drawing routines.
@@ -70,6 +78,8 @@ public class Presenter implements IPlugInPort {
private double zoomLevel = 1;
private Map<IDIYComponent<?>, Area> componentAreaMap;
private Project currentProject;
private String currentFileName = null;
private boolean modified = false;
private Map<String, List<ComponentType>> componentTypes;
// Maps component class names to ComponentType objects.
private Map<String, ComponentType> componentTypeMap;
@@ -80,7 +90,9 @@ public class Presenter implements IPlugInPort {
// that designate which of their control points are being dragged.
private Map<IDIYComponent<?>, Set<Integer>> controlPointMap;
// Utilities
private Cloner cloner;
private XStream xStream = new XStream(new DomDriver());
private Rectangle selectionRect;
@@ -187,6 +199,82 @@ public class Presenter implements IPlugInPort {
messageDispatcher.dispatchMessage(EventType.REPAINT);
}
@Override
public void createNewProject() {
LOG.info("createNewFile()");
try {
Project project = new Project();
setDefaultProperties(project);
loadProject(project, true);
this.currentFileName = null;
this.modified = false;
fireFileStatusChanged();
} catch (Exception e) {
LOG.error("Could not create new file", e);
}
}
@Override
public void loadProjectFromFile(String fileName) {
LOG.info(String.format("loadProjectFromFile(%s)", fileName));
try {
FileInputStream fis = new FileInputStream(fileName);
Project project = (Project) xStream.fromXML(fis);
loadProject(project, true);
fis.close();
this.currentFileName = fileName;
this.modified = false;
fireFileStatusChanged();
} catch (FileNotFoundException ex) {
// TODO Auto-generated catch block
ex.printStackTrace();
} catch (IOException ex) {
// TODO Auto-generated catch block
ex.printStackTrace();
}
}
@Override
public boolean allowFileAction() {
if (this.modified) {
int response = view.showConfirmDialog(
"There are unsaved changes. Are you sure you want to abandon these changes?",
"Warning", JOptionPane.YES_NO_OPTION, JOptionPane.WARNING_MESSAGE);
return response == JOptionPane.YES_OPTION;
}
return true;
}
@Override
public void saveProjectToFile(String fileName) {
LOG.info(String.format("saveProjectToFile(%s)", fileName));
FileOutputStream fos;
try {
fos = new FileOutputStream(fileName);
xStream.toXML(currentProject, fos);
fos.close();
this.currentFileName = fileName;
this.modified = false;
fireFileStatusChanged();
} catch (FileNotFoundException ex) {
// TODO Auto-generated catch block
ex.printStackTrace();
} catch (IOException ex) {
// TODO Auto-generated catch block
ex.printStackTrace();
}
}
@Override
public String getCurrentFileName() {
return this.currentFileName;
}
@Override
public boolean isProjectModified() {
return this.modified;
}
@SuppressWarnings("unchecked")
@Override
public Map<String, List<ComponentType>> getComponentTypes() {
@@ -699,6 +787,7 @@ public class Presenter implements IPlugInPort {
if (!preDragProject.equals(currentProject)) {
messageDispatcher.dispatchMessage(EventType.PROJECT_MODIFIED, preDragProject, cloner
.deepClone(currentProject), "Move");
fireFileStatusChanged();
}
fireSelectionChanged();
messageDispatcher.dispatchMessage(EventType.REPAINT);
@@ -714,18 +803,26 @@ public class Presenter implements IPlugInPort {
}
messageDispatcher.dispatchMessage(EventType.PROJECT_MODIFIED, oldProject, cloner
.deepClone(currentProject), "Add");
this.modified = true;
fireFileStatusChanged();
messageDispatcher.dispatchMessage(EventType.REPAINT);
}
@Override
public void deleteSelectedComponents() {
LOG.debug("deleteSelectedComponents()");
if (selectedComponents.isEmpty()) {
LOG.debug("Nothing to delete");
return;
}
Project oldProject = cloner.deepClone(currentProject);
// Remove selected components from any groups.
ungroupComponents(selectedComponents);
currentProject.getComponents().removeAll(selectedComponents);
messageDispatcher.dispatchMessage(EventType.PROJECT_MODIFIED, oldProject, cloner
.deepClone(currentProject), "Delete");
this.modified = true;
fireFileStatusChanged();
messageDispatcher.dispatchMessage(EventType.REPAINT);
}
@@ -787,6 +884,8 @@ public class Presenter implements IPlugInPort {
if (!oldProject.equals(currentProject)) {
messageDispatcher.dispatchMessage(EventType.PROJECT_MODIFIED, oldProject, cloner
.deepClone(currentProject), "Group");
this.modified = true;
fireFileStatusChanged();
}
}
@@ -800,6 +899,8 @@ public class Presenter implements IPlugInPort {
if (!oldProject.equals(currentProject)) {
messageDispatcher.dispatchMessage(EventType.PROJECT_MODIFIED, oldProject, cloner
.deepClone(currentProject), "Group");
this.modified = true;
fireFileStatusChanged();
}
}
@@ -819,6 +920,11 @@ public class Presenter implements IPlugInPort {
calculateSelectionDimension());
}
private void fireFileStatusChanged() {
messageDispatcher.dispatchMessage(EventType.FILE_STATUS_CHANGED, this.currentFileName,
this.modified);
}
/**
* Removes all the groups that contain at least one of the specified
* components.
@@ -956,24 +1062,14 @@ public class Presenter implements IPlugInPort {
}
}
// Extract properties.
List<PropertyWrapper> properties = ComponentProcessor.getInstance().extractProperties(
componentType.getInstanceClass());
// Override with default values if available.
for (PropertyWrapper property : properties) {
Object defaultValue = ConfigurationManager.getInstance().getConfigurationItem(
DEFAULTS_KEY + componentType.getInstanceClass().getName() + ":"
+ property.getName());
if (defaultValue != null) {
property.setValue(cloner.deepClone(defaultValue));
property.writeTo(component);
}
}
setDefaultProperties(component);
// Notify the listeners.
if (!oldProject.equals(currentProject)) {
messageDispatcher.dispatchMessage(EventType.PROJECT_MODIFIED, oldProject, cloner
.deepClone(currentProject), "Add " + componentType.getName());
this.modified = true;
fireFileStatusChanged();
}
fireSelectionChanged();
@@ -984,6 +1080,32 @@ public class Presenter implements IPlugInPort {
messageDispatcher.dispatchMessage(EventType.REPAINT);
}
/**
* Finds any properties that have default values and injects default values.
* Typically it should be used for {@link IDIYComponent} and {@link Project}
* objects.
*
* @param object
* @throws IllegalArgumentException
* @throws IllegalAccessException
* @throws InvocationTargetException
*/
private void setDefaultProperties(Object object) throws IllegalArgumentException,
IllegalAccessException, InvocationTargetException {
// Extract properties.
List<PropertyWrapper> properties = ComponentProcessor.getInstance().extractProperties(
object.getClass());
// Override with default values if available.
for (PropertyWrapper property : properties) {
Object defaultValue = ConfigurationManager.getInstance().getConfigurationItem(
DEFAULTS_KEY + object.getClass().getName() + ":" + property.getName());
if (defaultValue != null) {
property.setValue(cloner.deepClone(defaultValue));
property.writeTo(object);
}
}
}
@Override
public List<PropertyWrapper> getMutualSelectionProperties() {
try {
@@ -1012,6 +1134,8 @@ public class Presenter implements IPlugInPort {
if (!oldProject.equals(currentProject)) {
messageDispatcher.dispatchMessage(EventType.PROJECT_MODIFIED, oldProject, cloner
.deepClone(currentProject), "Edit Selection");
this.modified = true;
fireFileStatusChanged();
}
messageDispatcher.dispatchMessage(EventType.REPAINT);
messageDispatcher.dispatchMessage(EventType.SELECTION_SIZE_CHANGED,
@@ -1049,6 +1173,8 @@ public class Presenter implements IPlugInPort {
if (!oldProject.equals(currentProject)) {
messageDispatcher.dispatchMessage(EventType.PROJECT_MODIFIED, oldProject, cloner
.deepClone(currentProject), "Edit Project");
this.modified = true;
fireFileStatusChanged();
}
messageDispatcher.dispatchMessage(EventType.REPAINT);
messageDispatcher.dispatchMessage(EventType.ZOOM_CHANGED, zoomLevel);