src/apps/expander/DirectoryFilePanel.cpp

   1 /*
   2  * Copyright 2004-2009 Haiku, Inc. All rights reserved.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Jérôme Duval
   7  */
   8
   9
  10 #include "DirectoryFilePanel.h"
  11
  12 #include <Catalog.h>
  13 #include <Locale.h>
  14 #include <Window.h>
  15
  16 #include <stdio.h>
  17 #include <stdlib.h>
  18 #include <string.h>
  19
  20 #include <compat/sys/stat.h>
  21
  22
  23 DirectoryRefFilter::DirectoryRefFilter()
  24 {
  25 }
  26
  27
  28 bool
  29 DirectoryRefFilter::Filter(const entry_ref* ref, BNode* node,
  30         struct stat_beos* stat, const char* mimeType)
  31 {
  32         if (S_ISDIR(stat->st_mode))
  33                 return true;
  34
  35         if (S_ISLNK(stat->st_mode)) {
  36                 // Traverse symlinks
  37                 BEntry entry(ref, true);
  38                 return entry.IsDirectory();
  39         }
  40
  41         return false;
  42 }
  43
  44
  45 //      #pragma mark - DirectoryFilePanel
  46
  47
  48 #undef B_TRANSLATION_CONTEXT
  49 #define B_TRANSLATION_CONTEXT "DirectoryFilePanel"
  50
  51
  52 DirectoryFilePanel::DirectoryFilePanel(file_panel_mode mode,
  53         BMessenger* target, const entry_ref* startDirectory, uint32 nodeFlavors,
  54         bool allowMultipleSelection, BMessage* message, BRefFilter* filter,
  55         bool modal, bool hideWhenDone)
  56         :
  57         BFilePanel(mode, target, startDirectory, nodeFlavors,
  58                 allowMultipleSelection, message, filter, modal, hideWhenDone),
  59         fCurrentButton(NULL)
  60 {
  61 }
  62
  63
  64 void
  65 DirectoryFilePanel::Show()
  66 {
  67         if (fCurrentButton == NULL && Window()->Lock()) {
  68                 BView* background = Window()->ChildAt(0);
  69                 BView* cancel = background->FindView("cancel button");
  70
  71                 BRect rect;
  72                 if (cancel != NULL)
  73                         rect = cancel->Frame();
  74                 else {
  75                         rect = background->Bounds();
  76                         rect.left = rect.right;
  77                         rect.top = rect.bottom - 35;
  78                         rect.bottom -= 10;
  79                 }
  80
  81                 rect.right = rect.left -= 30;
  82                 float width = be_plain_font->StringWidth(
  83                         B_TRANSLATE("Select current")) + 20;
  84                 rect.left = width > 75 ? rect.right - width : rect.right - 75;
  85                 fCurrentButton = new BButton(rect, "directoryButton",
  86                         B_TRANSLATE("Select current"), new BMessage(MSG_DIRECTORY),
  87                         B_FOLLOW_RIGHT | B_FOLLOW_BOTTOM);
  88
  89                 background->AddChild(fCurrentButton);
  90                 fCurrentButton->SetTarget(Messenger());
  91
  92                 SetButtonLabel(B_DEFAULT_BUTTON, B_TRANSLATE("Select"));
  93                 Window()->SetTitle(B_TRANSLATE("Expander: Choose destination"));
  94
  95                 Window()->Unlock();
  96
  97                 SelectionChanged();
  98         }
  99
 100         BFilePanel::Show();
 101 }
 102
 103
 104 void
 105 DirectoryFilePanel::SelectionChanged()
 106 {
 107         // Resize button so that the label fits
 108         // maximum width is dictated by the window's size limits
 109
 110         if (Window()->Lock()) {
 111                 float dummy;
 112                 float maxWidth;
 113                 Window()->GetSizeLimits(&maxWidth, &dummy, &dummy, &dummy);
 114                 maxWidth -= Window()->Bounds().Width() + 8
 115                         - fCurrentButton->Frame().right;
 116
 117                 BRect oldBounds = fCurrentButton->Bounds();
 118
 119                 char* label;
 120                 entry_ref ref;
 121                 GetPanelDirectory(&ref);
 122                 if (asprintf(&label, B_TRANSLATE("Select '%s'" B_UTF8_ELLIPSIS),
 123                                 ref.name) != -1) {
 124                         fCurrentButton->SetLabel(label);
 125                         free(label);
 126                 }
 127
 128                 float width;
 129                 float height;
 130                 fCurrentButton->GetPreferredSize(&width, &height);
 131                 if (width > maxWidth)
 132                         width = maxWidth;
 133
 134                 fCurrentButton->ResizeTo(width, oldBounds.Height());
 135                 fCurrentButton->MoveBy(oldBounds.Width() - width, 0);
 136
 137                 Window()->Unlock();
 138         }
 139
 140         BFilePanel::SelectionChanged();
 141 }