view/aaTreeViewBalance.cpp

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim:set ts=2 sw=2 sts=2 et cindent tw=79 ft=cpp: */
   3 /*
   4  * Copyright (C) 2007 Sergey Yanovich <ynvich@gmail.com>
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License as
   8  * published by the Free Software Foundation; either version 2 of the
   9  * License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public
  17  * License along with this program; if not, write to the
  18  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19  * Boston, MA 02111-1307, USA.
  20  */
  21
  22 #include <abstract/aacore.h>
  23
  24 #include "nsCOMPtr.h"
  25 #include "nsServiceManagerUtils.h"
  26 #include "nsStringAPI.h"
  27 #include "nsTextFormatter.h"
  28
  29 /* Unfrozen API */
  30 #include "unstable/nsIArray.h"
  31 #include "unstable/nsArrayUtils.h"
  32 #include "unstable/nsITreeColumns.h"
  33 #include "unstable/nsIAtom.h"
  34 #include "unstable/nsIAtomService.h"
  35
  36 /* Project includes */
  37 #include <abstract/base/aaIEntity.h>
  38 #include <abstract/base/aaIFlow.h>
  39 #include <abstract/base/aaIResource.h>
  40 #include <abstract/base/aaIBalance.h>
  41 #include <abstract/storage/aaILoadQuery.h>
  42 #include <abstract/view/aaViewUtils.h>
  43 #include "aaTreeView.h"
  44 #include "aaTreeViewBalance.h"
  45
  46 aaTreeViewBalance::aaTreeViewBalance()
  47 {
  48 }
  49
  50 aaTreeViewBalance::~aaTreeViewBalance()
  51 {
  52 }
  53
  54 NS_IMPL_ISUPPORTS_INHERITED0(aaTreeViewBalance, aaTreeView)
  55
  56 /* Helpers */
  57 nsresult
  58 aaTreeViewBalance::getColumn0(aaIBalance *balance, nsAString & _retval)
  59 {
  60   nsresult rv;
  61
  62   nsCOMPtr<aaIFlow> flow;
  63   rv = balance->GetFlow(getter_AddRefs( flow ));
  64   NS_ENSURE_TRUE(flow, NS_OK);
  65
  66   return flow->GetTag(_retval);
  67 }
  68
  69 nsresult
  70 aaTreeViewBalance::getColumn1(aaIBalance *balance, nsAString & _retval)
  71 {
  72   nsresult rv;
  73
  74   nsCOMPtr<aaIFlow> flow;
  75   rv = balance->GetFlow(getter_AddRefs( flow ));
  76   NS_ENSURE_TRUE(flow, NS_OK);
  77
  78   nsCOMPtr<aaIEntity> entity;
  79   rv = flow->GetEntity(getter_AddRefs( entity ));
  80   if (!entity)
  81     return NS_OK;
  82
  83   return entity->GetTag(_retval);
  84 }
  85
  86 nsresult
  87 aaTreeViewBalance::getColumn2(aaIBalance *balance, nsAString & _retval)
  88 {
  89   nsresult rv;
  90
  91   nsCOMPtr<aaIResource> resource;
  92   rv = balance->GetResource(getter_AddRefs( resource ));
  93   if (!resource)
  94     return NS_OK;
  95
  96   return resource->GetTag(_retval);
  97 }
  98
  99 nsresult
 100 aaTreeViewBalance::getColumn3(aaIBalance *balance, nsAString & _retval)
 101 {
 102   PRBool side;
 103   double value;
 104   balance->GetSide(&side);
 105   if (! side)
 106     return NS_OK;
 107   balance->GetValue(&value);
 108   assignDouble(_retval, value);
 109   return NS_OK;
 110 }
 111
 112 nsresult
 113 aaTreeViewBalance::getColumn4(aaIBalance *balance, nsAString & _retval)
 114 {
 115   PRBool side;
 116   double value;
 117   balance->GetSide(&side);
 118   if (side)
 119     return NS_OK;
 120   balance->GetValue(&value);
 121   assignDouble(_retval, value);
 122   return NS_OK;
 123 }
 124
 125 nsresult (*const
 126 aaTreeViewBalance::colFuncs[])(aaIBalance *, nsAString &) = {
 127   &aaTreeViewBalance::getColumn0,
 128   &aaTreeViewBalance::getColumn1,
 129   &aaTreeViewBalance::getColumn2,
 130   &aaTreeViewBalance::getColumn3,
 131   &aaTreeViewBalance::getColumn4
 132 };
 133
 134 /* Private functions */
 135 nsresult
 136 aaTreeViewBalance::doGetCellText(PRInt32 row, nsITreeColumn *col,
 137     nsAString & _retval)
 138 {
 139   nsresult rv;
 140   _retval.Truncate();
 141
 142   PRInt32 ci = getColumnIndex(col, sizeof(colFuncs));
 143   NS_ENSURE_TRUE(ci >= 0, NS_OK);
 144
 145   nsCOMPtr<aaIBalance> balance(do_QueryElementAt(mDataSet, row, &rv));
 146   NS_ENSURE_SUCCESS(rv, rv);
 147   NS_ENSURE_TRUE(balance, NS_OK);
 148
 149   return colFuncs[ci](balance, _retval);
 150 }