Fraxinus  16.5.0-fx-rc9
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cxFileInputWidget.cpp
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1 /*=========================================================================
2 This file is part of CustusX, an Image Guided Therapy Application.
3 
4 Copyright (c) 2008-2014, SINTEF Department of Medical Technology
5 All rights reserved.
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7 Redistribution and use in source and binary forms, with or without
8 modification, are permitted provided that the following conditions are met:
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10 1. Redistributions of source code must retain the above copyright notice,
11  this list of conditions and the following disclaimer.
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13 2. Redistributions in binary form must reproduce the above copyright notice,
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21 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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31 =========================================================================*/
32 
33 #include "cxFileInputWidget.h"
34 #include <QtWidgets>
35 
36 #include "cxTypeConversions.h"
37 #include <iostream>
38 
39 namespace cx
40 {
41 
42 FileInputWidget::FileInputWidget(QWidget* parent) : QWidget(parent)
43 {
44  mBasePath = "~";
45  mUseRelativePath = false;
46  mDescription = NULL;
47  mBrowseButton = NULL;
48  mFilenameEdit = NULL;
49 
50  mLayout = new QGridLayout(this);
51  mLayout->setMargin(0);
52 
53  mFilenameEdit = new QLineEdit(this);
54  mFilenameEdit->setToolTip("File name");
55  connect(mFilenameEdit, SIGNAL(editingFinished()), this, SIGNAL(fileChanged()));
56  connect(mFilenameEdit, SIGNAL(textChanged(const QString&)), this, SLOT(updateColor()));
57  mLayout->addWidget(mFilenameEdit, 0, 1);
58 
59  mBrowseAction = new QAction(QIcon(":/icons/open.png"), "Browse", this);
60  mBrowseAction->setStatusTip("Browse the file system");
61  connect(mBrowseAction, SIGNAL(triggered()), this, SLOT(browse()));
62 
63  mBrowseButton = new QToolButton();
64  mBrowseButton->setDefaultAction(mBrowseAction);
65  mLayout->addWidget(mBrowseButton, 0, 2);
66 }
67 
69 {
70  if (!mDescription)
71  {
72  mDescription = new QLabel(this);
73  mLayout->addWidget(mDescription, 0,0);
74  }
75 
76  mDescription->setText(text);
77 }
78 
79 void FileInputWidget::setFilename(QString text)
80 {
81  if (text==mFilenameEdit->text())
82  return;
83  mFilenameEdit->setText(text);
84  this->widgetHasBeenChanged();
85 }
86 
87 void FileInputWidget::widgetHasBeenChanged()
88 {
89  this->updateHelpInternal();
90  this->updateColor();
91  emit fileChanged();
92 }
93 
94 void FileInputWidget::setHelp(QString text)
95 {
96  mBaseHelp = text;
97  this->updateHelpInternal();
98 }
99 
100 void FileInputWidget::updateHelpInternal()
101 {
102  QString text = QString("%1\n%2").arg(this->getAbsoluteFilename()).arg(mBaseHelp);
103  mFilenameEdit->setToolTip(text);
104  mFilenameEdit->setStatusTip(text);
105 }
106 
108 {
109  mBrowseAction->setToolTip(text);
110  mBrowseAction->setStatusTip(text);
111 }
112 
114 {
115  mBasePath = path;
116  this->widgetHasBeenChanged();
117 }
118 
119 void FileInputWidget::browse()
120 {
121  QString text = "Select file";
122  if (mUseRelativePath)
123  text = QString("Select file relative to %1").arg(mBasePath);
124 
125  QString filename = QFileDialog::getOpenFileName(this, text, mBasePath);
126  if (filename.isEmpty())
127  return;
128 
129  if (mUseRelativePath)
130  filename = QDir(mBasePath).relativeFilePath(filename);
131 
132  this->setFilename(filename);
133 }
134 
136 {
137  return mFilenameEdit->text();
138 }
139 
141 {
142  QString absolute = QDir(mBasePath).absoluteFilePath(this->getFilename().trimmed());
143  QString cleaned = QDir().cleanPath(absolute);
144  return cleaned;
145 }
146 
148 {
149  mUseRelativePath = on;
150  this->widgetHasBeenChanged();
151 }
152 
153 void FileInputWidget::updateColor()
154 {
155  QColor color = QColor("black");
156  if (!QFileInfo(this->getAbsoluteFilename()).exists())
157  color = QColor("red");
158 
159  QPalette p = mFilenameEdit->palette();
160  p.setColor(QPalette::Text, color);
161  mFilenameEdit->setPalette(p);
162 }
163 
164 
165 
166 
167 
168 } // namespace cx
void setDescription(QString text)
void setBasePath(QString path)
void setFilename(QString text)
void setUseRelativePath(bool on)
void setHelp(QString text)
FileInputWidget(QWidget *parent=0)
void setBrowseHelp(QString text)
QString getAbsoluteFilename() const
QString getFilename() const