Add directory picker

Author: zhitm

qrutils/widgets/dirPicker.cpp

@@ -0,0 +1,70 @@
+/* Copyright 2017 CyberTech Labs Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License. */
+
+#include "dirPicker.h"
+#include <QtWidgets/QHBoxLayout>
+#include <QtWidgets/QLabel>
+#include <QtWidgets/QLineEdit>
+#include <QtWidgets/QPushButton>
+#include <QtWidgets/QStyle>
+
+#include <qrkernel/settingsManager.h>
+#include <qrutils/widgets/qRealFileDialog.h>
+
+using namespace qReal::ui;
+
+
+dirPicker::dirPicker(QWidget *parent)
+	: QWidget(parent)
+{
+	mLabel = new QLabel(this);
+	mPathEditor = new QLineEdit(this);
+	QPushButton *button = new QPushButton(style()->standardIcon(QStyle::SP_DirIcon), tr("Browse..."), this);
+	QHBoxLayout *layout = new QHBoxLayout(this);
+	layout->addWidget(mLabel);
+	layout->addWidget(mPathEditor);
+	layout->addWidget(button);
+	connect(button, &QPushButton::clicked, this, &dirPicker::pick);
+}
+
+void dirPicker::configure(const QString &settingsKey, const QString &title)
+{
+	mSettingsKey = settingsKey;
+	mLabel->setText(title);
+}
+
+bool dirPicker::isSavedDirExist(){
+	return QDir(SettingsManager::value(mSettingsKey).toString()).exists();
+}
+
+void dirPicker::save() const
+{
+	if (!mPathEditor->text().isEmpty() && !mSettingsKey.isEmpty()) {
+		SettingsManager::setValue(mSettingsKey, mPathEditor->text());
+	}
+}
+
+void dirPicker::restore()
+{
+	if (!mSettingsKey.isEmpty()) {
+		mPathEditor->setText(SettingsManager::value(mSettingsKey).toString());
+	}
+}
+
+void dirPicker::pick()
+{
+	QDir dirPath=QFileDialog::getExistingDirectory(this, "Get Any File");
+	SettingsManager::setValue(mSettingsKey, dirPath.absolutePath());
+	mPathEditor->setText(dirPath.absolutePath());
+}

qrutils/widgets/dirPicker.h

@@ -0,0 +1,57 @@
+/* Copyright 2017 CyberTech Labs Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License. */
+
+#pragma once
+
+#include <QtWidgets/QWidget>
+
+#include <qrutils/utilsDeclSpec.h>
+
+class QLabel;
+class QLineEdit;
+
+namespace qReal {
+namespace ui {
+
+/// Picks some image from disk, saves into settings.
+class QRUTILS_EXPORT dirPicker : public QWidget
+{
+	Q_OBJECT
+
+public:
+	explicit dirPicker(QWidget *parent = nullptr);
+
+	/// Sets parameters of the image picker.
+	void configure(const QString &settingsKey, const QString &title);
+
+	/// Saves picked location into settings.
+	void save() const;
+
+	/// Restores last picked value.
+	void restore();
+
+	bool isSavedDirExist();
+
+
+private slots:
+	void pick();
+
+private:
+	QString mSettingsKey;
+	QLabel *mLabel;
+	QLineEdit *mPathEditor;
+};
+
+}
+}

qrutils/widgets/widgets.pri

@@ -14,6 +14,7 @@
 
 HEADERS += \
 	$$PWD/colorListEditor.h \
+	$$PWD/dirPicker.h \
 	$$PWD/paintWidget.h \
 	$$PWD/painterInterface.h \
 	$$PWD/searchLineEdit.h \
@@ -26,6 +27,7 @@ HEADERS += \
 
 SOURCES += \
 	$$PWD/colorListEditor.cpp \
+	$$PWD/dirPicker.cpp \
 	$$PWD/paintWidget.cpp \
 	$$PWD/searchLineEdit.cpp \
 	$$PWD/consoleDock.cpp \