src/apps/bootmanager/FileSelectionPage.cpp

   1 /*
   2  * Copyright 2008-2010, Haiku, Inc. All rights reserved.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Michael Pfeiffer <laplace@users.sourceforge.net>
   7  */
   8
   9
  10 #include "FileSelectionPage.h"
  11
  12 #include <string.h>
  13
  14 #include <Button.h>
  15 #include <Catalog.h>
  16 #include <ControlLook.h>
  17 #include <Path.h>
  18 #include <RadioButton.h>
  19 #include <TextControl.h>
  20 #include <TextView.h>
  21
  22
  23 #undef B_TRANSLATION_CONTEXT
  24 #define B_TRANSLATION_CONTEXT "FileSelectionPage"
  25
  26
  27 const uint32 kMsgOpenFilePanel = 'open';
  28
  29
  30 FileSelectionPage::FileSelectionPage(BMessage* settings, BRect frame,
  31         const char* name, const char* description, file_panel_mode mode)
  32         :
  33         WizardPageView(settings, frame, name, B_FOLLOW_ALL,
  34                 B_WILL_DRAW | B_FRAME_EVENTS | B_FULL_UPDATE_ON_RESIZE),
  35         fMode(mode),
  36         fFilePanel(NULL)
  37 {
  38         _BuildUI(description);
  39 }
  40
  41
  42 FileSelectionPage::~FileSelectionPage()
  43 {
  44 }
  45
  46
  47 void
  48 FileSelectionPage::FrameResized(float width, float height)
  49 {
  50         WizardPageView::FrameResized(width, height);
  51         _Layout();
  52 }
  53
  54
  55 void
  56 FileSelectionPage::AttachedToWindow()
  57 {
  58         fSelect->SetTarget(this);
  59 }
  60
  61
  62 void
  63 FileSelectionPage::MessageReceived(BMessage* message)
  64 {
  65         switch (message->what) {
  66                 case kMsgOpenFilePanel:
  67                         _OpenFilePanel();
  68                         break;
  69                 case B_REFS_RECEIVED:
  70                 case B_SAVE_REQUESTED:
  71                         _SetFileFromFilePanelMessage(message);
  72                         break;
  73                 case B_CANCEL:
  74                         _FilePanelCanceled();
  75                         break;
  76                 default:
  77                         WizardPageView::MessageReceived(message);
  78         }
  79 }
  80
  81
  82 void
  83 FileSelectionPage::PageCompleted()
  84 {
  85         fSettings->ReplaceString("file", fFile->Text());
  86 }
  87
  88
  89 const float kFileButtonDistance = 10;
  90
  91 void
  92 FileSelectionPage::_BuildUI(const char* description)
  93 {
  94         const float kSpacing = be_control_look->DefaultItemSpacing();
  95         BRect rect(Bounds());
  96
  97         fDescription = CreateDescription(rect, "description", description);
  98
  99         MakeHeading(fDescription);
 100         AddChild(fDescription);
 101
 102         BString file;
 103         fSettings->FindString("file", &file);
 104
 105         fSelect = new BButton(rect, "select",
 106                 B_TRANSLATE_COMMENT("Select", "Button"),
 107                 new BMessage(kMsgOpenFilePanel),
 108                 B_FOLLOW_RIGHT);
 109         fSelect->ResizeToPreferred();
 110
 111         float selectLeft = rect.right - fSelect->Bounds().Width();
 112         rect.right = selectLeft - kSpacing;
 113         fFile = new BTextControl(rect, "file",
 114                 B_TRANSLATE_COMMENT("File:", "Text control label"),
 115                 file.String(), new BMessage());
 116         fFile->SetDivider(be_plain_font->StringWidth(fFile->Label()) + 5);
 117         AddChild(fFile);
 118
 119         fSelect->MoveTo(selectLeft, 0);
 120         AddChild(fSelect);
 121
 122         _Layout();
 123 }
 124
 125
 126 void
 127 FileSelectionPage::_Layout()
 128 {
 129         const float kSpacing = be_control_look->DefaultItemSpacing();
 130         LayoutDescriptionVertically(fDescription);
 131
 132         float left = fFile->Frame().left;
 133         float top = fDescription->Frame().bottom + kSpacing;
 134
 135         // center "file" text field and "select" button vertically
 136         float selectTop = top;
 137         float fileTop = top;
 138         float fileHeight = fFile->Bounds().Height();
 139         float selectHeight = fSelect->Bounds().Height();
 140         if (fileHeight < selectHeight) {
 141                 int delta = (int)((selectHeight - fileHeight + 1) / 2);
 142                 fileTop += delta;
 143         } else {
 144                 int delta = (int)((fileHeight - selectHeight + 1) / 2);
 145                 selectTop += delta;
 146         }
 147
 148         fFile->MoveTo(left, fileTop);
 149
 150         float width = fSelect->Frame().left - kSpacing - left;
 151         fFile->ResizeTo(width, fileHeight);
 152
 153         left = fSelect->Frame().left;
 154         fSelect->MoveTo(left, selectTop);
 155 }
 156
 157
 158 void
 159 FileSelectionPage::_OpenFilePanel()
 160 {
 161         if (fFilePanel != NULL)
 162                 return;
 163
 164         const entry_ref* directory = NULL;
 165         entry_ref base;
 166         BPath file(fFile->Text());
 167         BPath parent;
 168
 169         if (file.GetParent(&parent) == B_OK &&
 170                 get_ref_for_path(parent.Path(), &base) == B_OK)
 171                 directory = &base;
 172
 173         BMessenger messenger(this);
 174         fFilePanel = new BFilePanel(fMode, &messenger, directory,
 175                 B_FILE_NODE, false, NULL, NULL, true);
 176         if (fMode == B_SAVE_PANEL && file.Leaf() != NULL)
 177                 fFilePanel->SetSaveText(file.Leaf());
 178         fFilePanel->Show();
 179 }
 180
 181
 182 void
 183 FileSelectionPage::_SetFileFromFilePanelMessage(BMessage* message)
 184 {
 185         if (message->what == B_SAVE_REQUESTED) {
 186                 entry_ref directory;
 187                 BString name;
 188                 message->FindRef("directory", &directory);
 189                 message->FindString("name", &name);
 190                 BPath path(&directory);
 191                 if (path.Append(name.String()) == B_OK)
 192                         fFile->SetText(path.Path());
 193         } else {
 194                 entry_ref entryRef;
 195                 message->FindRef("refs", &entryRef);
 196                 BEntry entry(&entryRef);
 197                 BPath path;
 198                 if (entry.GetPath(&path) == B_OK)
 199                         fFile->SetText(path.Path());
 200         }
 201 }
 202
 203
 204 void
 205 FileSelectionPage::_FilePanelCanceled()
 206 {
 207         delete fFilePanel;
 208         fFilePanel = NULL;
 209 }