src/apps/people/AttributeTextControl.cpp

   1 /*
   2  * Copyright 2005-2012, Haiku, Inc. All rights reserved.
   3  * Distributed under the terms of the MIT license.
   4  *
   5  * Authors:
   6  *              Robert Polic
   7  *
   8  * Copyright 1999, Be Incorporated.   All Rights Reserved.
   9  * This file may be used under the terms of the Be Sample Code License.
  10  */
  11
  12
  13 #include "AttributeTextControl.h"
  14
  15 #include <string.h>
  16 #include <malloc.h>
  17
  18 #include <Catalog.h>
  19 #include <Cursor.h>
  20 #include <Font.h>
  21 #include <Roster.h>
  22 #include <StorageKit.h>
  23
  24
  25 #undef B_TRANSLATION_CONTEXT
  26 #define B_TRANSLATION_CONTEXT "People"
  27
  28 #define B_URL_MIME "application/x-vnd.Be.URL."
  29
  30 AttributeTextControl::AttributeTextControl(const char* label,
  31         const char* attribute)
  32         :
  33         BTextControl(NULL, "", NULL),
  34         fAttribute(attribute),
  35         fOriginalValue()
  36 {
  37         if (label != NULL && label[0] != 0) {
  38                 SetLabel(BString(B_TRANSLATE("%attribute_label:"))
  39                         .ReplaceFirst("%attribute_label", label));
  40         }
  41         SetAlignment(B_ALIGN_RIGHT, B_ALIGN_LEFT);
  42 }
  43
  44
  45 AttributeTextControl::~AttributeTextControl()
  46 {
  47 }
  48
  49 void
  50 AttributeTextControl::MouseDown(BPoint mousePosition)
  51 {
  52         if(_VisibleLabelBounds().Contains(mousePosition) && _ContainsUrl())
  53                 _HandleLabelClicked(Text());
  54         else
  55                 BTextControl::MouseDown(mousePosition);
  56 }
  57
  58
  59 void
  60 AttributeTextControl::MouseMoved(BPoint mousePosition, uint32 transit, const BMessage* dragMessage)
  61 {
  62         if (_VisibleLabelBounds().Contains(mousePosition) && _ContainsUrl()) {
  63                 BCursor linkCursor(B_CURSOR_ID_FOLLOW_LINK);
  64                 SetViewCursor(&linkCursor, true);
  65         } else
  66                 SetViewCursor(B_CURSOR_SYSTEM_DEFAULT, true);
  67
  68         BTextControl::MouseMoved(mousePosition, transit, dragMessage);
  69 }
  70
  71
  72 bool
  73 AttributeTextControl::HasChanged()
  74 {
  75         return fOriginalValue != Text();
  76 }
  77
  78
  79 void
  80 AttributeTextControl::Revert()
  81 {
  82         if (HasChanged())
  83                 SetText(fOriginalValue);
  84 }
  85
  86
  87 void
  88 AttributeTextControl::Update()
  89 {
  90         fOriginalValue = Text();
  91 }
  92
  93
  94 void
  95 AttributeTextControl::_HandleLabelClicked(const char *text)
  96 {
  97         BString argument(text);
  98
  99         if (Attribute() == "META:url") {
 100                 _MakeUniformUrl(argument);
 101
 102                 BString mimeType = B_URL_MIME;
 103                 _BuildMimeString(mimeType, argument);
 104
 105                 if (mimeType != "") {
 106                         const char *args[] = {argument.String(), 0};
 107                         be_roster->Launch(mimeType.String(), 1, const_cast<char**>(args));
 108                 }
 109         } else if (Attribute() == "META:email") {
 110                 if (argument.IFindFirst("mailto:") != 0 && argument != "")
 111                         argument.Prepend("mailto:");
 112
 113                 // TODO: Could check for possible e-mail patterns.
 114                 if (argument != "") {
 115                         const char *args[] = {argument.String(), 0};
 116                         be_roster->Launch("text/x-email", 1, const_cast<char**>(args));
 117                 }
 118         }
 119 }
 120
 121
 122 const BString&
 123 AttributeTextControl::_MakeUniformUrl(BString &url) const
 124 {
 125         if (url.StartsWith("www"))
 126                 url.Prepend("http://");
 127         else if (url.StartsWith("ftp."))
 128                 url.Prepend("ftp://");
 129
 130         return url;
 131 }
 132
 133
 134 const BString&
 135 AttributeTextControl::_BuildMimeString(BString &mimeType, const BString &url)
 136         const
 137 {
 138         if (url.IFindFirst("http://") == 0 || url.IFindFirst("ftp://") == 0
 139                 || url.IFindFirst("https://") || url.IFindFirst("gopher://") == 0) {
 140
 141                 mimeType.Append(url, url.FindFirst(':'));
 142         }
 143
 144         if (!BMimeType::IsValid(mimeType.String()))
 145                 mimeType = "";
 146
 147         return mimeType;
 148 }
 149
 150
 151 bool
 152 AttributeTextControl::_ContainsUrl() const
 153 {
 154         BString argument(Text());
 155
 156         if (Attribute() == "META:url") {
 157                 BString mimeType = B_URL_MIME;
 158                 if (_BuildMimeString(mimeType, _MakeUniformUrl(argument)) != "")
 159                         return true;
 160         }
 161         else if (Attribute() == "META:email") {
 162                 if (argument != "")
 163                         return true;
 164         }
 165
 166         return false;
 167 }
 168
 169
 170 BRect
 171 AttributeTextControl::_VisibleLabelBounds() const
 172 {
 173         // TODO: Could actually check current alignment of the label.
 174         // The code below works only for right aligned labels.
 175         BRect bounds(Bounds());
 176         bounds.right = Divider();
 177         bounds.left = bounds.right - StringWidth(Label());
 178         return bounds;
 179 }