Move AliasDialogModelAdapter to core. Add check for current alias.

Change-Id: Ic547ed6e12879c7c6ea77d2c6766989c01dff640
Depends-On: I71d77d5c76f72e44303d2fd7f5dede75eef89ec1
Reviewed-on: http://gerrit.dmdirc.com/3580
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Chris Smith <chris@dmdirc.com>

src/com/dmdirc/commandparser/aliases/AliasDialogModelAdapter.java

@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2006-2014 DMDirc Developers
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package com.dmdirc.commandparser.aliases;
+
+import com.dmdirc.interfaces.ui.AliasDialogModelListener;
+
+import com.google.common.base.Optional;
+
+/**
+ * An abstract adapter class for receiving alias dialog model events. The methods in this class are
+ * empty. This class exists as convenience for creating listener objects.
+ */
+public class AliasDialogModelAdapter implements AliasDialogModelListener {
+
+    @Override
+    public void aliasAdded(final Alias alias) {
+    }
+
+    @Override
+    public void aliasRemoved(final Alias alias) {
+    }
+
+    @Override
+    public void aliasEdited(final Alias oldAlias, final Alias newAlias) {
+    }
+
+    @Override
+    public void aliasRenamed(final Alias oldAlias, final Alias newAlias) {
+    }
+
+    @Override
+    public void aliasSelectionChanged(final Optional<Alias> alias) {
+    }
+
+    @Override
+    public void selectedAliasEdited(final String name, final int minArgs, final String sub) {
+    }
+
+}

src/com/dmdirc/commandparser/aliases/CoreAliasDialogModel.java

@@ -196,16 +196,22 @@ public class CoreAliasDialogModel implements AliasDialogModel {
     @Override
     public void setSelectedAliasName(final String aliasName) {
         this.name = aliasName;
+        listeners.getCallable(AliasDialogModelListener.class).selectedAliasEdited(name, minArgs,
+                substitution);
     }
 
     @Override
     public void setSelectedAliasMinimumArguments(final int minArgs) {
         this.minArgs = minArgs;
+        listeners.getCallable(AliasDialogModelListener.class).selectedAliasEdited(name, minArgs,
+                substitution);
     }
 
     @Override
     public void setSelectedAliasSubstitution(final String substitution) {
         this.substitution = substitution;
+        listeners.getCallable(AliasDialogModelListener.class).selectedAliasEdited(name, minArgs,
+                substitution);
     }
 
     @Override
@@ -225,6 +231,12 @@ public class CoreAliasDialogModel implements AliasDialogModel {
                 isFailure();
     }
 
+    @Override
+    public boolean isSelectedAliasValid() {
+        return selectedAlias.isPresent() && isCommandValid() && isMinimumArgumentsValid()
+                && isSubstitutionValid();
+    }
+
     @Override
     public Validator<String> getCommandValidator() {
         return ValidatorChain.<String>builder()

src/com/dmdirc/interfaces/ui/AliasDialogModel.java

@@ -165,6 +165,13 @@ public interface AliasDialogModel {
      */
     boolean isSubstitutionValid();
 
+    /**
+     * Tests whether the dialog can be saved.
+     *
+     * @return true if valid
+     */
+    boolean isSelectedAliasValid();
+
     /**
      * Gets a validator for changing the command of an existing alias.
      *

src/com/dmdirc/interfaces/ui/AliasDialogModelListener.java

@@ -67,4 +67,14 @@ public interface AliasDialogModelListener {
      * @param alias Optional alias that has been selected
      */
     void aliasSelectionChanged(Optional<Alias> alias);
+
+    /**
+     * The selected alias has been edited.
+     *
+     * @param name         New name
+     * @param minArguments New minimum arguments
+     * @param substitution New substitution
+     */
+    void selectedAliasEdited(final String name, final int minArguments, final String substitution);
+
 }