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cxMultiFileInputWidget.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,
14  this list of conditions and the following disclaimer in the documentation
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17 3. Neither the name of the copyright holder nor the names of its contributors
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21 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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31 =========================================================================*/
32 #include "cxMultiFileInputWidget.h"
33 
34 #include <QtWidgets>
35 
36 #include <iostream>
37 
38 namespace cx
39 {
40 
41 
42 MultiFileInputWidget::MultiFileInputWidget(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 QTextEdit(this);
54  mFilenameEdit->setToolTip("File names");
55 // connect(mFilenameEdit, SIGNAL(editingFinished()), this, SIGNAL(fileChanged()));
56 // connect(mFilenameEdit, SIGNAL(textChanged(const QString&)), this, SLOT(updateColor()));
57  connect(mFilenameEdit, SIGNAL(textChanged()), this, SLOT(evaluateTextChanges()));
58  mLayout->addWidget(mFilenameEdit, 0, 1);
59 
60  mBrowseAction = new QAction(QIcon(":/icons/open.png"), "Browse", this);
61  mBrowseAction->setStatusTip("Browse the file system");
62  connect(mBrowseAction, SIGNAL(triggered()), this, SLOT(browse()));
63 
64  mBrowseButton = new QToolButton();
65  mBrowseButton->setDefaultAction(mBrowseAction);
66  mLayout->addWidget(mBrowseButton, 0, 2);
67 }
68 
70 {
71  if (!mDescription)
72  {
73  mDescription = new QLabel(this);
74  mLayout->addWidget(mDescription, 0,0);
75  }
76 
77  mDescription->setText(text);
78 }
79 
80 void MultiFileInputWidget::setFilenames(QStringList text)
81 {
82  QStringList files = this->convertToAbsoluteFilenames(text);
83  QStringList original = this->getAbsoluteFilenames();
84 // QStringList original = this->convertToAbsoluteFilenames(mFilenameEdit->text().split('\n'));
85  if (files==original)
86  return;
87 
88  QString output = this->convertFilenamesToTextEditText(files);
89  mFilenameEdit->setText(output);
90 
91 // if (mUseRelativePath)
92 // text = QDir(mBasePath).relativeFilePath(text);
93 //
94 // if (text==mFilenameEdit->text())
95 // return;
96 // mFilenameEdit->setText(text);
97  this->widgetHasBeenChanged();
98 }
99 
100 QStringList MultiFileInputWidget::convertToAbsoluteFilenames(QStringList text) const
101 {
102  QStringList retval;
103  for (unsigned i=0; i<text.size(); ++i)
104  retval << this->convertToAbsoluteFilename(text[i]);
105  return retval;
106 }
107 QString MultiFileInputWidget::convertToAbsoluteFilename(QString text) const
108 {
109  if (text.isEmpty())
110  return text;
111  QString absolute = QDir(mBasePath).absoluteFilePath(text.trimmed());
112  QString cleaned = QDir().cleanPath(absolute);
113  if (!QFileInfo(cleaned).exists())
114  return text; // return nonexistent files unchanged.
115  return cleaned;
116 }
117 QString MultiFileInputWidget::convertFilenamesToTextEditText(QStringList files) const
118 {
119  QStringList retval;
120  for (unsigned i=0; i<files.size(); ++i)
121  {
122  retval << this->convertToPresentableFilename(files[i]);
123  }
124  return retval.join("\n");
125 }
126 
127 QString MultiFileInputWidget::convertToPresentableFilename(QString absoluteFilename) const
128 {
129  QString retval = absoluteFilename;
130  if (!QFileInfo(absoluteFilename).exists())
131  return retval;
132 
133  if (mUseRelativePath)
134  {
135  retval = QDir(mBasePath).relativeFilePath(absoluteFilename);
136  if (retval.isEmpty())
137  retval = "./"; // in order to separate from empty string (which appears during editing and should be ignored)
138  }
139 
140 
141  return retval;
142 }
143 
144 void MultiFileInputWidget::widgetHasBeenChanged()
145 {
146  this->updateHelpInternal();
147  this->updateColor();
148  emit fileChanged();
149 }
150 
152 {
153  mBaseHelp = text;
154  this->updateHelpInternal();
155 }
156 
157 void MultiFileInputWidget::updateHelpInternal()
158 {
159  QString files = this->getAbsoluteFilenames().join("\n");
160  QString text = QString("%1\n\n%2").arg(mBaseHelp).arg(files);
161  mFilenameEdit->setToolTip(text);
162  mFilenameEdit->setStatusTip(text);
163 }
164 
166 {
167  mBrowseAction->setToolTip(text);
168  mBrowseAction->setStatusTip(text);
169 }
170 
172 {
173  mBasePath = path;
174  this->widgetHasBeenChanged();
175 }
176 
177 void MultiFileInputWidget::browse()
178 {
179  QString text = "Select file";
180  if (mUseRelativePath)
181  text = QString("Select file relative to %1").arg(mBasePath);
182 
183  QString filename = QFileDialog::getExistingDirectory(this, text, mBasePath);
184  if (filename.isEmpty())
185  return;
186 // QString filename = QFileDialog::getOpenFileName(this, text, mBasePath);
187 // if (filename.isEmpty())
188 // return;
189 
190 // if (mUseRelativePath)
191 // filename = QDir(mBasePath).relativeFilePath(filename);
192 
193  QStringList files = this->getAbsoluteFilenames();
194  files << filename;
195  this->setFilenames(files);
196 }
197 
199 {
200  return mFilenameEdit->toPlainText().split('\n');
201 }
202 
204 {
205  return this->convertToAbsoluteFilenames(mFilenameEdit->toPlainText().split("\n"));
206 // QString absolute = QDir(mBasePath).absoluteFilePath(this->getFilename().trimmed());
207 // QString cleaned = QDir().cleanPath(absolute);
208 // return cleaned;
209 }
210 
212 {
213  mUseRelativePath = on;
214  this->widgetHasBeenChanged();
215 }
216 
217 void MultiFileInputWidget::evaluateTextChanges()
218 {
219  this->updateHelpInternal();
220  this->updateColor();
221  QStringList current = this->getAbsoluteFilenames();
222  if (current!=mLastFilenames)
223  {
224  mLastFilenames = current;
225  emit fileChanged();
226  }
227 }
228 
229 void MultiFileInputWidget::updateColor()
230 {
231  mFilenameEdit->blockSignals(true);
232  QTextCursor cursor = mFilenameEdit->textCursor();
233  int pos = cursor.position();
234 
235  QStringList org = mFilenameEdit->toPlainText().split("\n");
236  mFilenameEdit->setPlainText("");
237  for (int i=0; i<org.size(); ++i)
238  {
239  bool exists = QFileInfo(this->convertToAbsoluteFilename(org[i])).exists();
240 
241  if (exists)
242  mFilenameEdit->setTextColor(QColor("black"));
243  else
244  mFilenameEdit->setTextColor(QColor("red"));
245  if (i!=0)
246  mFilenameEdit->textCursor().insertText("\n");
247  mFilenameEdit->textCursor().insertText(org[i]);
248  }
249 
250  cursor.setPosition(pos);
251 
252 // QTextBlockFormat red;
253 // red.setProperty(QTextFormat::ForegroundBrush, QBrush(QColor("red")));
254 // cursor.mergeBlockFormat(red);
255  mFilenameEdit->setTextCursor(cursor);
256  mFilenameEdit->blockSignals(false);
257 
258 // QColor color = QColor("black");
259 // if (!QFileInfo(this->getAbsoluteFilename()).exists())
260 // color = QColor("red");
261 //
262 // QPalette p = mFilenameEdit->palette();
263 // p.setColor(QPalette::Text, color);
264 // mFilenameEdit->setPalette(p);
265 }
266 
267 } /* namespace cx */
MultiFileInputWidget(QWidget *parent=0)
QStringList getAbsoluteFilenames() const
void setFilenames(QStringList text)