src/apps/diskusage/StatusView.cpp

   1 /*
   2  * Copyright (c) 2010 Philippe St-Pierre <stpere@gmail.com>. All rights reserved.
   3  * Copyright (c) 2008 Stephan Aßmus <superstippi@gmx.de>. All rights reserved.
   4  * Distributed under the terms of the MIT/X11 license.
   5  *
   6  * Copyright (c) 1999 Mike Steed. You are free to use and distribute this software
   7  * as long as it is accompanied by it's documentation and this copyright notice.
   8  * The software comes with no warranty, etc.
   9  */
  10
  11
  12 #include "StatusView.h"
  13
  14 #include <math.h>
  15 #include <stdio.h>
  16
  17 #include <Catalog.h>
  18 #include <Box.h>
  19 #include <Button.h>
  20 #include <MessageFormat.h>
  21 #include <Node.h>
  22 #include <String.h>
  23 #include <StringForSize.h>
  24 #include <StringView.h>
  25
  26 #include <LayoutBuilder.h>
  27
  28 #include "DiskUsage.h"
  29 #include "Scanner.h"
  30
  31 #undef B_TRANSLATION_CONTEXT
  32 #define B_TRANSLATION_CONTEXT "Status View"
  33
  34 StatusView::StatusView()
  35         :
  36         BView(NULL, B_WILL_DRAW),
  37         fCurrentFileInfo(NULL)
  38 {
  39         SetViewColor(kPieBGColor);
  40         SetLowColor(kPieBGColor);
  41
  42         fSizeView = new BStringView(NULL, kEmptyStr);
  43         fSizeView->SetExplicitMinSize(BSize(StringWidth("9999.99 GiB"),
  44                 B_SIZE_UNSET));
  45         fSizeView->SetExplicitMaxSize(BSize(StringWidth("9999.99 GiB"),
  46                 B_SIZE_UNSET));
  47
  48         char testLabel[256];
  49         snprintf(testLabel, sizeof(testLabel), B_TRANSLATE_COMMENT("%d files",
  50                 "For UI layouting only, use the longest plural form for your language"),
  51                 999999);
  52
  53         fCountView = new BStringView(NULL, kEmptyStr);
  54         float width, height;
  55         fCountView->GetPreferredSize(&width, &height);
  56         fCountView->SetExplicitMinSize(BSize(StringWidth(testLabel),
  57                 B_SIZE_UNSET));
  58         fCountView->SetExplicitMaxSize(BSize(B_SIZE_UNLIMITED, height));
  59
  60         fPathView = new BStringView(NULL, kEmptyStr);
  61         fPathView->GetPreferredSize(&width, &height);
  62         fPathView->SetExplicitMaxSize(BSize(B_SIZE_UNLIMITED, height));
  63
  64         fRefreshBtn = new BButton(NULL, B_TRANSLATE("Scan"),
  65                 new BMessage(kBtnRescan));
  66
  67         fRefreshBtn->SetExplicitMaxSize(BSize(B_SIZE_UNSET, B_SIZE_UNLIMITED));
  68
  69         BBox* divider1 = new BBox(BRect(), B_EMPTY_STRING, B_FOLLOW_ALL_SIDES,
  70                 B_WILL_DRAW | B_FRAME_EVENTS, B_FANCY_BORDER);
  71
  72         BBox* divider2 = new BBox(BRect(), B_EMPTY_STRING, B_FOLLOW_ALL_SIDES,
  73                 B_WILL_DRAW | B_FRAME_EVENTS, B_FANCY_BORDER);
  74
  75         divider1->SetExplicitMaxSize(BSize(B_SIZE_UNLIMITED, 1));
  76         divider2->SetExplicitMaxSize(BSize(1, B_SIZE_UNLIMITED));
  77
  78         SetLayout(new BGroupLayout(B_VERTICAL));
  79
  80         AddChild(BLayoutBuilder::Group<>(B_HORIZONTAL, 0)
  81                 .AddGroup(B_VERTICAL, 0)
  82                         .Add(fPathView)
  83                         .Add(divider1)
  84                         .AddGroup(B_HORIZONTAL, 0)
  85                                 .Add(fCountView)
  86                                 .Add(divider2)
  87                                 .Add(fSizeView)
  88                                 .End()
  89                         .End()
  90                 .AddStrut(kSmallHMargin)
  91                 .Add(fRefreshBtn)
  92                 .SetInsets(kSmallVMargin, kSmallVMargin, kSmallVMargin, kSmallVMargin)
  93         );
  94 }
  95
  96
  97 StatusView::~StatusView()
  98 {
  99 }
 100
 101
 102 void
 103 StatusView::EnableRescan()
 104 {
 105         fRefreshBtn->SetLabel(B_TRANSLATE("Rescan"));
 106         fRefreshBtn->SetMessage(new BMessage(kBtnRescan));
 107 }
 108
 109
 110 void
 111 StatusView::EnableCancel()
 112 {
 113         fRefreshBtn->SetLabel(B_TRANSLATE("Abort"));
 114         fRefreshBtn->SetMessage(new BMessage(kBtnCancel));
 115 }
 116
 117
 118 void
 119 StatusView::ShowInfo(const FileInfo* info)
 120 {
 121         if (info == fCurrentFileInfo)
 122                 return;
 123
 124         fCurrentFileInfo = info;
 125
 126         if (info == NULL) {
 127                 fPathView->SetText(kEmptyStr);
 128                 fSizeView->SetText(kEmptyStr);
 129                 fCountView->SetText(kEmptyStr);
 130                 return;
 131         }
 132
 133         if (!info->pseudo) {
 134                 BNode node(&info->ref);
 135                 if (node.InitCheck() != B_OK) {
 136                         fPathView->SetText(B_TRANSLATE("file unavailable"));
 137                         fSizeView->SetText(kEmptyStr);
 138                         fCountView->SetText(kEmptyStr);
 139                         return;
 140                 }
 141         }
 142
 143         float viewWidth = fPathView->Bounds().Width();
 144         string path;
 145         info->GetPath(path);
 146         BString pathLabel = path.c_str();
 147         be_plain_font->TruncateString(&pathLabel, B_TRUNCATE_BEGINNING, viewWidth);
 148         fPathView->SetText(pathLabel.String());
 149
 150         char label[B_PATH_NAME_LENGTH];
 151         string_for_size(info->size, label, sizeof(label));
 152         fSizeView->SetText(label);
 153
 154         if (info->count > 0) {
 155                 static BMessageFormat format(B_TRANSLATE("{0, plural, "
 156                         "one{# file} other{# files}}"));
 157                 BString label;
 158                 format.Format(label, info->count);
 159                 fCountView->SetText(label);
 160         } else {
 161                 fCountView->SetText(kEmptyStr);
 162         }
 163 }