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Add Ability to Delete Messages Locally (#70) 

Merge branch 'develop' into f/delete-messages
Additionally added system commands to copy, delete or save attachments of selected messages

Reviewed-on: https://git.kske.dev/zdm/envoy/pulls/70
Reviewed-by: kske <kai@kske.dev>
Reviewed-by: DieGurke <maxi@kske.dev>
This commit is contained in:
Leon Hofmeister 2020-09-30 20:50:58 +02:00
parent f5bfb73abe
commit 80795a3fc2
8 changed files with 233 additions and 66 deletions
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13
client/src/main/java/envoy/client/data/Chat.java
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@ -74,7 +74,7 @@ public class Chat implements Serializable {
public boolean equals(Object obj) {
if (this == obj) return true;
if (!(obj instanceof Chat)) return false;
final Chat other = (Chat) obj;
final var other = (Chat) obj;
return Objects.equals(recipient, other.recipient);
}
@ -89,7 +89,7 @@ public class Chat implements Serializable {
*/
public void read(WriteProxy writeProxy) {
for (int i = messages.size() - 1; i >= 0; --i) {
final Message m = messages.get(i);
final var m = messages.get(i);
if (m.getSenderID() == recipient.getID()) if (m.getStatus() == MessageStatus.READ) break;
else {
m.setStatus(MessageStatus.READ);
@ -121,6 +121,15 @@ public class Chat implements Serializable {
messages.add(0, message);
}
/**
* Removes the message with the given ID.
*
* @param messageID the ID of the message to remove
* @return whether the message has been found and removed
* @since Envoy Client v0.3-beta
*/
public boolean remove(long messageID) { return messages.removeIf(m -> m.getID() == messageID); }
/**
* Increments the amount of unread messages.
*

19
client/src/main/java/envoy/client/data/LocalDB.java
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@ -7,6 +7,7 @@ import java.time.Instant;
import java.util.*;
import java.util.logging.*;
import javafx.application.Platform;
import javafx.collections.*;
import envoy.client.event.*;
@ -273,6 +274,24 @@ public final class LocalDB implements EventListener {
cacheMap.clear();
}
/**
* Deletes the message with the given ID, if present.
*
* @param message the event that was
* @since Envoy Client v0.3-beta
*/
@Event
private void onMessageDeletion(MessageDeletion message) {
Platform.runLater(() -> {
// We suppose that messages have unique IDs, hence the search can be stopped
// once a message was removed
final var messageID = message.get();
for (final var chat : chats)
if (chat.remove(messageID)) break;
});
}
/**
* @return a {@code Map<String, User>} of all users stored locally with their
* user names as keys

20
client/src/main/java/envoy/client/event/MessageDeletion.java Normal file
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@ -0,0 +1,20 @@
package envoy.client.event;
import envoy.event.Event;
/**
* Conveys the deletion of a message.
*
* @author Leon Hofmeister
* @since Envoy Common v0.3-beta
*/
public class MessageDeletion extends Event<Long> {
private static final long serialVersionUID = 1L;
/**
* @param messageID the ID of the deleted message
* @since Envoy Common v0.3-beta
*/
public MessageDeletion(long messageID) { super(messageID); }
}

106
client/src/main/java/envoy/client/ui/control/MessageControl.java
View File

@ -1,8 +1,6 @@
package envoy.client.ui.control;
import java.awt.Toolkit;
import java.awt.datatransfer.StringSelection;
import java.io.*;
import java.io.ByteArrayInputStream;
import java.time.ZoneId;
import java.time.format.DateTimeFormatter;
import java.util.Map;
@ -12,11 +10,10 @@ import javafx.geometry.*;
import javafx.scene.control.*;
import javafx.scene.image.*;
import javafx.scene.layout.*;
import javafx.stage.FileChooser;
import envoy.client.data.*;
import envoy.client.ui.*;
import envoy.client.util.IconUtil;
import envoy.client.net.Client;
import envoy.client.util.*;
import envoy.data.*;
import envoy.data.Message.MessageStatus;
import envoy.util.EnvoyLog;
@ -32,13 +29,13 @@ public final class MessageControl extends Label {
private final boolean ownMessage;
private final LocalDB localDB = Context.getInstance().getLocalDB();
private final SceneContext sceneContext = Context.getInstance().getSceneContext();
private final LocalDB localDB = context.getLocalDB();
private final Client client = context.getClient();
private static final Context context = Context.getInstance();
private static final DateTimeFormatter dateFormat = DateTimeFormatter.ofPattern("dd.MM.yyyy HH:mm:ss")
.withZone(ZoneId.systemDefault());
private static final Map<MessageStatus, Image> statusImages = IconUtil.loadByEnum(MessageStatus.class, 16);
private static final Settings settings = Settings.getInstance();
private static final Logger logger = EnvoyLog.getLogger(MessageControl.class);
/**
@ -47,6 +44,8 @@ public final class MessageControl extends Label {
* @since Envoy Client v0.1-beta
*/
public MessageControl(Message message) {
ownMessage = message.getSenderID() == localDB.getUser().getID();
// Creating the underlying VBox and the dateLabel
final var hbox = new HBox();
if (message.getSenderID() != localDB.getUser().getID() && message instanceof GroupMessage) {
@ -67,18 +66,42 @@ public final class MessageControl extends Label {
final var vbox = new VBox(hbox);
// Creating the actions for the MenuItems
final var contextMenu = new ContextMenu();
final var copyMenuItem = new MenuItem("Copy");
final var deleteMenuItem = new MenuItem("Delete");
final var forwardMenuItem = new MenuItem("Forward");
final var quoteMenuItem = new MenuItem("Quote");
final var infoMenuItem = new MenuItem("Info");
copyMenuItem.setOnAction(e -> copyMessage(message));
deleteMenuItem.setOnAction(e -> deleteMessage(message));
forwardMenuItem.setOnAction(e -> forwardMessage(message));
quoteMenuItem.setOnAction(e -> quoteMessage(message));
final var contextMenu = new ContextMenu();
final var items = contextMenu.getItems();
// Copy message action
if (!message.getText().isEmpty()) {
final var copyMenuItem = new MenuItem("Copy Text");
copyMenuItem.setOnAction(e -> MessageUtil.copyMessageText(message));
items.add(copyMenuItem);
}
// Delete message - if own message - action
if (ownMessage && client.isOnline()) {
final var deleteMenuItem = new MenuItem("Delete locally");
deleteMenuItem.setOnAction(e -> MessageUtil.deleteMessage(message));
items.add(deleteMenuItem);
}
// As long as these types of messages are not implemented and no caches are
// defined for them, we only want them to appear when being online
if (client.isOnline()) {
// Forward menu item
final var forwardMenuItem = new MenuItem("Forward");
forwardMenuItem.setOnAction(e -> MessageUtil.forwardMessage(message));
items.add(forwardMenuItem);
// Quote menu item
final var quoteMenuItem = new MenuItem("Quote");
quoteMenuItem.setOnAction(e -> MessageUtil.quoteMessage(message));
items.add(quoteMenuItem);
}
// Info actions
final var infoMenuItem = new MenuItem("Info");
infoMenuItem.setOnAction(e -> loadMessageInfoScene(message));
contextMenu.getItems().addAll(copyMenuItem, deleteMenuItem, forwardMenuItem, quoteMenuItem, infoMenuItem);
items.add(infoMenuItem);
// Handling message attachment display
// TODO: Add missing attachment types
@ -97,8 +120,8 @@ public final class MessageControl extends Label {
break;
}
final var saveAttachment = new MenuItem("Save attachment");
saveAttachment.setOnAction(e -> saveAttachment(message));
contextMenu.getItems().add(saveAttachment);
saveAttachment.setOnAction(e -> MessageUtil.saveAttachment(message));
items.add(saveAttachment);
}
// Creating the textLabel
final var textLabel = new Label(message.getText());
@ -116,12 +139,8 @@ public final class MessageControl extends Label {
hBoxBottom.getChildren().add(statusIcon);
hBoxBottom.setAlignment(Pos.BOTTOM_RIGHT);
getStyleClass().add("own-message");
ownMessage = true;
hbox.setAlignment(Pos.CENTER_RIGHT);
} else {
getStyleClass().add("received-message");
ownMessage = false;
}
} else getStyleClass().add("received-message");
vbox.getChildren().add(hBoxBottom);
// Adjusting height and weight of the cell to the corresponding ListView
paddingProperty().setValue(new Insets(5, 20, 5, 20));
@ -129,41 +148,8 @@ public final class MessageControl extends Label {
setGraphic(vbox);
}
// Context Menu actions
private void copyMessage(Message message) {
Toolkit.getDefaultToolkit().getSystemClipboard().setContents(new StringSelection(message.getText()), null);
}
private void deleteMessage(Message message) { logger.log(Level.FINEST, "message deletion was requested for " + message); }
private void forwardMessage(Message message) { logger.log(Level.FINEST, "message forwarding was requested for " + message); }
private void quoteMessage(Message message) { logger.log(Level.FINEST, "message quotation was requested for " + message); }
private void loadMessageInfoScene(Message message) { logger.log(Level.FINEST, "message info scene was requested for " + message); }
private void saveAttachment(Message message) {
File file;
final var fileName = message.getAttachment().getName();
final var downloadLocation = settings.getDownloadLocation();
// Show save file dialog, if the user did not opt-out
if (!settings.isDownloadSavedWithoutAsking()) {
final var fileChooser = new FileChooser();
fileChooser.setInitialFileName(fileName);
fileChooser.setInitialDirectory(downloadLocation);
file = fileChooser.showSaveDialog(sceneContext.getStage());
} else file = new File(downloadLocation, fileName);
// A file was selected
if (file != null) try (FileOutputStream fos = new FileOutputStream(file)) {
fos.write(message.getAttachment().getData());
logger.log(Level.FINE, "Attachment of message was saved at " + file.getAbsolutePath());
} catch (final IOException e) {
logger.log(Level.WARNING, "Could not save attachment of " + message + ": ", e);
}
}
/**
* @return whether the message stored by this {@code MessageControl} has been
* sent by this user of Envoy

1
client/src/main/java/envoy/client/ui/control/TextInputContextMenu.java
View File

@ -82,6 +82,7 @@ public class TextInputContextMenu extends ContextMenu {
copyMI.disableProperty().bind(control.selectedTextProperty().isEmpty());
deleteMI.disableProperty().bind(control.selectedTextProperty().isEmpty());
clearMI.disableProperty().bind(control.textProperty().isEmpty());
selectAllMI.disableProperty().bind(control.textProperty().isEmpty());
setOnShowing(e -> pasteMI.setDisable(!Clipboard.getSystemClipboard().hasString()));
selectAllMI.getProperties().put("refreshMenu", Boolean.TRUE);

33
client/src/main/java/envoy/client/ui/controller/ChatScene.java
View File

@ -223,8 +223,8 @@ public final class ChatScene implements EventListener, Restorable {
// The sender of the message is the recipient of the chat
// Exceptions: this user is the sender (sync) or group message (group is
// recipient)
final boolean ownMessage = message.getSenderID() == localDB.getUser().getID();
final var recipientID = message instanceof GroupMessage || ownMessage ? message.getRecipientID() : message.getSenderID();
final var ownMessage = message.getSenderID() == localDB.getUser().getID();
final var recipientID = message instanceof GroupMessage || ownMessage ? message.getRecipientID() : message.getSenderID();
localDB.getChat(recipientID).ifPresent(chat -> {
chat.insert(message);
@ -336,6 +336,24 @@ public final class ChatScene implements EventListener, Restorable {
.setNumberOfArguments(0)
.setDescription("Opens the settings screen")
.build("settings");
// Copy text of selection initialization
builder.setAction(text -> {
final var selectedMessage = messageList.getSelectionModel().getSelectedItem();
if (selectedMessage != null) MessageUtil.copyMessageText(selectedMessage);
}).setNumberOfArguments(0).setDescription("Copies the text of the currently selected message").build("cp-s");
// Delete selection initialization
builder.setAction(text -> {
final var selectedMessage = messageList.getSelectionModel().getSelectedItem();
if (selectedMessage != null) MessageUtil.deleteMessage(selectedMessage);
}).setNumberOfArguments(0).setDescription("Deletes the currently selected message").build("del-s");
// Save attachment of selection initialization
builder.setAction(text -> {
final var selectedMessage = messageList.getSelectionModel().getSelectedItem();
if (selectedMessage != null && selectedMessage.hasAttachment()) MessageUtil.saveAttachment(selectedMessage);
}).setNumberOfArguments(0).setDescription("Copies the text of the currently selected message").build("save-a-s");
}
@Override
@ -387,7 +405,7 @@ public final class ChatScene implements EventListener, Restorable {
if (currentChat != null) {
topBarContactLabel.setText(currentChat.getRecipient().getName());
if (currentChat.getRecipient() instanceof User) {
final String status = ((User) currentChat.getRecipient()).getStatus().toString();
final var status = ((User) currentChat.getRecipient()).getStatus().toString();
topBarStatusLabel.setText(status);
topBarStatusLabel.getStyleClass().add(status.toLowerCase());
recipientProfilePic.setImage(IconUtil.loadIconThemeSensitive("user_icon", 43));
@ -395,7 +413,7 @@ public final class ChatScene implements EventListener, Restorable {
topBarStatusLabel.setText(currentChat.getRecipient().getContacts().size() + " members");
recipientProfilePic.setImage(IconUtil.loadIconThemeSensitive("group_icon", 43));
}
final Rectangle clip = new Rectangle();
final var clip = new Rectangle();
clip.setWidth(43);
clip.setHeight(43);
clip.setArcHeight(43);
@ -753,6 +771,13 @@ public final class ChatScene implements EventListener, Restorable {
pendingAttachment = messageAttachment;
}
/**
* Clears the current message selection.
*
* @since Envoy Client v0.3-beta
*/
public void clearMessageSelection() { messageList.getSelectionModel().clearSelection(); }
@FXML
private void searchContacts() {
chats.setPredicate(contactSearch.getText().isBlank() ? c -> true

105
client/src/main/java/envoy/client/util/MessageUtil.java Normal file
View File

@ -0,0 +1,105 @@
package envoy.client.util;
import java.awt.Toolkit;
import java.awt.datatransfer.StringSelection;
import java.io.*;
import java.util.logging.*;
import javafx.stage.FileChooser;
import envoy.client.data.*;
import envoy.client.event.MessageDeletion;
import envoy.client.ui.controller.ChatScene;
import envoy.data.Message;
import envoy.util.EnvoyLog;
import dev.kske.eventbus.EventBus;
/**
* Contains methods that are commonly used for {@link Message}s.
*
* @author Leon Hofmeister
* @since Envoy Client v0.3-beta
*/
public class MessageUtil {
private MessageUtil() {}
private static Logger logger = EnvoyLog.getLogger(MessageUtil.class);
/**
* Copies the text of the given message to the System Clipboard.
*
* @param message the message whose text to copy
* @since Envoy Client v0.3-beta
*/
public static void copyMessageText(Message message) {
logger.log(Level.FINEST, "A copy of message text \"" + message.getText() + "\" was requested");
Toolkit.getDefaultToolkit().getSystemClipboard().setContents(new StringSelection(message.getText()), null);
}
/**
* Deletes the given message.
*
* @param message the message to delete
* @since Envoy Client v0.3-beta
*/
public static void deleteMessage(Message message) {
final var messageDeletionEvent = new MessageDeletion(message.getID());
final var controller = Context.getInstance().getSceneContext().getController();
if (controller instanceof ChatScene) ((ChatScene) controller).clearMessageSelection();
// Removing the message locally
EventBus.getInstance().dispatch(messageDeletionEvent);
logger.log(Level.FINEST, "message deletion was requested for " + message);
}
/**
* Forwards the given message.
* Currently not implemented.
*
* @param message the message to forward
* @since Envoy Client v0.3-beta
*/
public static void forwardMessage(Message message) { logger.log(Level.FINEST, "Message forwarding was requested for " + message); }
/**
* Quotes the given message.
* Currently not implemented.
*
* @param message the message to quote
* @since Envoy Client v0.3-beta
*/
public static void quoteMessage(Message message) { logger.log(Level.FINEST, "Message quotation was requested for " + message); }
/**
* Saves the attachment of a message, if present.
*
* @param message the message whose attachment to save
* @throws IllegalStateException if no attachment is present in the message
* @since Envoy Client v0.3-beta
*/
public static void saveAttachment(Message message) {
if (!message.hasAttachment()) throw new IllegalArgumentException("Cannot save a non-existing attachment");
File file;
final var fileName = message.getAttachment().getName();
final var downloadLocation = Settings.getInstance().getDownloadLocation();
// Show save file dialog, if the user did not opt-out
if (!Settings.getInstance().isDownloadSavedWithoutAsking()) {
final var fileChooser = new FileChooser();
fileChooser.setInitialFileName(fileName);
fileChooser.setInitialDirectory(downloadLocation);
file = fileChooser.showSaveDialog(Context.getInstance().getSceneContext().getStage());
} else file = new File(downloadLocation, fileName);
// A file was selected
if (file != null) try (var fos = new FileOutputStream(file)) {
fos.write(message.getAttachment().getData());
logger.log(Level.FINE, "Attachment of message was saved at " + file.getAbsolutePath());
} catch (final IOException e) {
logger.log(Level.WARNING, "Could not save attachment of " + message + ": ", e);
}
}
}

2
server/src/main/java/envoy/server/data/PersistenceManager.java
View File

@ -9,6 +9,8 @@ import envoy.data.User.UserStatus;
import envoy.server.net.ConnectionManager;
/**
* Contains operations used for persistence.
*
* @author Leon Hofmeister
* @author Maximilian K&auml;fer
* @since Envoy Server Standalone v0.1-alpha