vision/src/PrefAliases.cpp

/* 
 * The contents of this file are subject to the Mozilla Public 
 * License Version 1.1 (the "License"); you may not use this file 
 * except in compliance with the License. You may obtain a copy of 
 * the License at http://www.mozilla.org/MPL/ 
 * 
 * Software distributed under the License is distributed on an "AS 
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or 
 * implied. See the License for the specific language governing 
 * rights and limitations under the License. 
 * 
 * The Original Code is Vision. 
 * 
 * The Initial Developer of the Original Code is The Vision Team.
 * Portions created by The Vision Team are
 * Copyright (C) 1999, 2000, 2001 The Vision Team.  All Rights
 * Reserved.
 * 
 * Contributor(s): Rene Gollent
 */

#include "ColumnTypes.h"
#include "ColumnListView.h"
#include "PrefAliases.h"
#include "Vision.h"
#include "VisionStrings.h"

#include <Button.h>

const uint32 M_ALIAS_SELECTION_CHANGED = 'mASC';
const uint32 M_ALIAS_ADD = 'mADD';
const uint32 M_ALIAS_REMOVE = 'MARE';
 
AliasesPrefsView::AliasesPrefsView (BRect frame)
 : BView(frame, "Alias Prefs", B_FOLLOW_ALL_SIDES, B_WILL_DRAW),
   fAliasView(NULL),
   fAddButton(NULL),
   fRemoveButton(NULL)
{
  SetViewColor(ui_color(B_PANEL_BACKGROUND_COLOR));
}

AliasesPrefsView::~AliasesPrefsView (void)
{
}

void
AliasesPrefsView::MessageReceived (BMessage *msg)
{
  switch (msg->what)
  {
    case M_ALIAS_SELECTION_CHANGED:
    {
      if (msg->FindInt32("index") >= 0)
      {
        fRemoveButton->SetEnabled(true);
      }
      else
      {
        fRemoveButton->SetEnabled(false);
      }
    }
    break;
    
    case M_ALIAS_REMOVE:
    {
      BRow *row (fAliasView->CurrentSelection());
      if (row != NULL)
      {
        fAliasView->RemoveRow(row);
        vision_app->RemoveAlias(dynamic_cast<BStringField *>(row->GetField(0))->String());
        fRemoveButton->SetEnabled(false);
        delete row;
      } 
    }
    break;
    
    default:
    {
      BView::MessageReceived(msg);
    }    
    break;
  }
}

void
AliasesPrefsView::AttachedToWindow (void)
{
  BView::AttachedToWindow();
  
  BRect bounds (Bounds());
  bounds.InsetBySelf(10, 10);
  bounds.bottom -= 50;

  fAliasView = new BColumnListView(bounds, "clv", B_FOLLOW_ALL_SIDES, B_WILL_DRAW, B_FANCY_BORDER);
  AddChild(fAliasView);
  fAliasView->SetSelectionMessage(new BMessage(M_ALIAS_SELECTION_CHANGED));
  fAliasView->AddColumn(new BStringColumn(S_PREFALIAS_COLUMN_NAME, StringWidth(S_PREFALIAS_COLUMN_NAME) * 2.0,
    0, bounds.Width(), 0), 0);
  fAliasView->AddColumn(new BStringColumn(S_PREFALIAS_COLUMN_ALIAS, StringWidth(S_PREFALIAS_COLUMN_ALIAS) * 6.0,
    0, bounds.Width(), 0), 1);
  
  fAddButton = new BButton(BRect(0,0,0,0), "alAdd", S_PREFALIAS_ADD, new BMessage(M_ALIAS_ADD), B_FOLLOW_RIGHT | B_FOLLOW_BOTTOM);
  AddChild(fAddButton);
  fAddButton->ResizeToPreferred();
  fRemoveButton = new BButton(BRect(0,0,0,0), "alRemove", S_PREFALIAS_REMOVE, new BMessage(M_ALIAS_REMOVE), B_FOLLOW_RIGHT | B_FOLLOW_BOTTOM);
  AddChild(fRemoveButton);
  fRemoveButton->ResizeToPreferred();
  fRemoveButton->MoveTo(fAliasView->Frame().right - fRemoveButton->Bounds().Width(),
    fAliasView->Frame().bottom + 10.0);
  fAddButton->MoveTo(fRemoveButton->Frame().left - (fAddButton->Frame().Width() + 5.0), fRemoveButton->Frame().top);
  
  fRemoveButton->SetEnabled(false);
  
  BuildAliasList();
}

void
AliasesPrefsView::AllAttached (void)
{
  BView::AllAttached();
  fAliasView->SetTarget(this);
  fAddButton->SetTarget(this);
  fRemoveButton->SetTarget(this);
}

void
AliasesPrefsView::BuildAliasList(void)
{
  void *cookie (NULL);
  BString name, value;
  while (vision_app->GetNextAlias(&cookie, name, value))
  {
    BRow *row (new BRow());
    row->SetField(new BStringField(name.String()), 0);
    row->SetField(new BStringField(value.String()), 1);
    fAliasView->AddRow(row);
  }
}