Merge 84baa370a98e93f10cdaecfbf7a141f1181f7183 into 590fd624a4d7ddd4fed6de4113129e08e71d262a

src/plugins/preferences/CMakeLists.txt

@@ -196,6 +196,9 @@ set(HEADERS
     common/preferencestreeproxymodel.h
 
     common/preferenceswidget.h
+
+    common/inputmessagenotifier.h
+    common/inputdetectors.h
 )
 
 set(SOURCES
@@ -378,6 +381,9 @@ set(SOURCES
     common/preferencestreeproxymodel.cpp
 
     common/preferenceswidget.cpp
+
+    common/inputmessagenotifier.cpp
+    common/inputdetectors.cpp
 )
 
 set(UI_FORMS

src/plugins/preferences/common/i18n/preferences_common_translation_en.ts

@@ -764,6 +764,37 @@ context (user policy option)</translation>
         <translation>Common</translation>
     </message>
 </context>
+<context>
+    <name>preferences::InputMessageNotifier</name>
+    <message>
+        <source>The input field has a space at the beginning or at the end</source>
+        <translation type="vanished">The input field has a space at the beginning or at the end</translation>
+    </message>
+    <message>
+        <source>There is a folder &apos;.&apos;/&apos;..&apos; in the path input field</source>
+        <translation type="vanished">There is a folder &apos;.&apos;/&apos;..&apos; in the path input field</translation>
+    </message>
+    <message>
+        <source>The path input field contains the path to the folder</source>
+        <translation type="vanished">The path input field contains the path to the folder</translation>
+    </message>
+    <message>
+        <source>The path input field contains a path that is not compatible with windows</source>
+        <translation type="vanished">The path input field contains a path that is not compatible with windows</translation>
+    </message>
+    <message>
+        <source>The path input field contains a relative path</source>
+        <translation type="vanished">The path input field contains a relative path</translation>
+    </message>
+    <message>
+        <source>The path input field contains a path from root</source>
+        <translation type="vanished">The path input field contains a path from root</translation>
+    </message>
+    <message>
+        <source>The path input field contains a network path</source>
+        <translation type="vanished">The path input field contains a network path</translation>
+    </message>
+</context>
 <context>
     <name>preferences::PreferencesTreeView</name>
     <message>

src/plugins/preferences/common/i18n/preferences_common_translation_ru.ts

@@ -765,6 +765,37 @@ context (user policy option)</source>
         <translation>Общие</translation>
     </message>
 </context>
+<context>
+    <name>preferences::InputMessageNotifier</name>
+    <message>
+        <source>The input field has a space at the beginning or at the end</source>
+        <translation type="vanished">Поле ввода содержит пробел в начале или в конце</translation>
+    </message>
+    <message>
+        <source>There is a folder &apos;.&apos;/&apos;..&apos; in the path input field</source>
+        <translation type="vanished">В поле ввода пути есть папка &quot;.&quot;/&quot;..&quot;</translation>
+    </message>
+    <message>
+        <source>The path input field contains the path to the folder</source>
+        <translation type="vanished">Поле ввода пути содержит путь к папке</translation>
+    </message>
+    <message>
+        <source>The path input field contains a path that is not compatible with windows</source>
+        <translation type="vanished">Поле ввода path содержит путь, который несовместим с Windows</translation>
+    </message>
+    <message>
+        <source>The path input field contains a relative path</source>
+        <translation type="vanished">Поле ввода path содержит относительный путь</translation>
+    </message>
+    <message>
+        <source>The path input field contains a path from root</source>
+        <translation type="vanished">Поле ввода path содержит путь от корня</translation>
+    </message>
+    <message>
+        <source>The path input field contains a network path</source>
+        <translation type="vanished">Поле ввода path содержит сетевой путь</translation>
+    </message>
+</context>
 <context>
     <name>preferences::PreferencesTreeView</name>
     <message>

src/plugins/preferences/common/inputdetectors.cpp

@@ -0,0 +1,15 @@
+#include "inputdetectors.h"
+
+namespace preferences {
+
+bool WhitespaceDetector::detect(const QString &input)
+{
+    return input.trimmed() != input;
+}
+
+bool EmptyDetector::detect(const QString &input)
+{
+    return input.length() == 0;
+}
+
+} // namespace preferences

src/plugins/preferences/common/inputdetectors.h

@@ -0,0 +1,42 @@
+/***********************************************************************************************************************
+**
+** Copyright (C) 2021 BaseALT Ltd. <org@basealt.ru>
+**
+** This program is free software; you can redistribute it and/or
+** modify it under the terms of the GNU General Public License
+** as published by the Free Software Foundation; either version 2
+** of the License, or (at your option) any later version.
+**
+** This program is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+** GNU General Public License for more details.
+**
+** You should have received a copy of the GNU General Public License
+** along with this program; if not, write to the Free Software
+** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+**
+***********************************************************************************************************************/
+
+#ifndef GPUI_INPUTDETECTORS_H
+#define GPUI_INPUTDETECTORS_H
+
+#include "inputmessagenotifier.h"
+
+namespace preferences {
+
+class WhitespaceDetector : public InputDetector
+{
+public:
+    bool detect(const QString &input) override;
+};
+
+class EmptyDetector : public InputDetector
+{
+public:
+    bool detect(const QString &input) override;
+};
+
+} // namespace preferences
+
+#endif // GPUI_INPUTDETECTORS_H

src/plugins/preferences/common/inputmessagenotifier.cpp

@@ -0,0 +1,206 @@
+/***********************************************************************************************************************
+**
+** Copyright (C) 2021 BaseALT Ltd. <org@basealt.ru>
+**
+** This program is free software; you can redistribute it and/or
+** modify it under the terms of the GNU General Public License
+** as published by the Free Software Foundation; either version 2
+** of the License, or (at your option) any later version.
+**
+** This program is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+** GNU General Public License for more details.
+**
+** You should have received a copy of the GNU General Public License
+** along with this program; if not, write to the Free Software
+** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+**
+***********************************************************************************************************************/
+
+#include "inputmessagenotifier.h"
+#include <algorithm>
+#include <iterator>
+
+namespace preferences {
+
+InputMessageNotifier::DetectElement::DetectElement(QWidget *parent, QLayout *layout,
+                                                   const QString &message,
+                                                   InputMessageNotifier::MessageLevel level)
+{
+    this->m_label = new QLabel(parent);
+    layout->addWidget(this->m_label);
+
+    this->m_label->hide();
+
+    this->m_label->setText(message);
+
+    switch (level) {
+    case InputMessageNotifier::MessageLevel::Warning:
+        this->m_label->setStyleSheet("background-color: rgb(249, 240, 107);\n"
+                                     "color: rgb(0,0,0);\n"
+                                     "border-radius: 10px;\n"
+                                     "padding: 10px;");
+        break;
+
+    default:
+    case InputMessageNotifier::MessageLevel::Error:
+        this->m_label->setStyleSheet("background-color: rgb(246, 97, 81);\n"
+                                     "color: rgb(255, 255, 255);\n"
+                                     "border-radius: 10px;\n"
+                                     "padding: 10px;");
+        break;
+    }
+
+    this->m_level = level;
+}
+InputMessageNotifier::DetectElement::DetectElement(DetectElement &&element)
+{
+    this->m_detected = element.m_detected;
+    this->m_label = element.m_label;
+    this->m_level = element.m_level;
+    element.m_label = nullptr;
+}
+InputMessageNotifier::DetectElement &
+InputMessageNotifier::DetectElement::operator=(DetectElement &&element)
+{
+    if (this->m_label) {
+        delete this->m_label;
+    }
+
+    this->m_detected = element.m_detected;
+    this->m_label = element.m_label;
+    this->m_level = element.m_level;
+    element.m_label = nullptr;
+
+    return *this;
+}
+
+void InputMessageNotifier::DetectElement::detect()
+{
+    this->m_label->show();
+    this->m_detected = true;
+}
+void InputMessageNotifier::DetectElement::undetect()
+{
+    this->m_label->hide();
+    this->m_detected = false;
+}
+
+bool InputMessageNotifier::DetectElement::detected()
+{
+    return this->m_detected;
+}
+
+InputMessageNotifier::MessageLevel InputMessageNotifier::DetectElement::level()
+{
+    return this->m_level;
+}
+
+void InputMessageNotifier::DetectElement::setMessage(const QString &message)
+{
+    this->m_label->setText(message);
+}
+
+InputMessageNotifier::DetectElement::~DetectElement()
+{
+    if (this->m_label) {
+        delete this->m_label;
+    }
+}
+
+InputMessageNotifier::InputMessageNotifier(QWidget *widget) : QWidget(widget)
+{
+    this->m_layout = new QVBoxLayout;
+    this->setLayout(this->m_layout);
+}
+
+size_t InputMessageNotifier::addDetector(std::unique_ptr<InputDetector> detector)
+{
+    this->m_detectors[this->m_nextDetector] = std::move(detector);
+    return this->m_nextDetector++;
+}
+
+void InputMessageNotifier::removeDetector(size_t id)
+{
+    this->m_detectors.erase(id);
+}
+
+void InputMessageNotifier::addInput(const QString &name)
+{
+    this->m_instances[name] = std::move(InputInstance());
+}
+
+void InputMessageNotifier::removeInput(const QString &name)
+{
+    this->m_instances.erase(name);
+}
+
+void InputMessageNotifier::updateInput(const QString &name, const QString &input)
+{
+    auto &instance = this->m_instances[name];
+
+    for (auto &detect : instance) {
+        bool detected = this->m_detectors[detect.first]->detect(input);
+
+        if (detected && !detect.second.detected()) {
+            detect.second.detect();
+            this->incCounter(detect.second.level());
+        } else if (!detected && detect.second.detected()) {
+            detect.second.undetect();
+            this->decCounter(detect.second.level());
+        }
+    }
+}
+
+void InputMessageNotifier::setMessage(const QString &name, size_t detector, const QString &message)
+{
+    auto entry = this->m_instances[name].find(detector);
+    if (entry != this->m_instances[name].end()) {
+        entry->second.setMessage(message);
+    }
+}
+
+void InputMessageNotifier::attachDetector(const QString &name, size_t detector,
+                                          const QString &message, MessageLevel level)
+{
+    this->m_instances[name].insert(std::pair<size_t, DetectElement>(
+            detector, DetectElement(this, this->m_layout, message, level)));
+}
+
+bool InputMessageNotifier::hasAnyError()
+{
+    return this->m_errorCount != 0;
+}
+
+bool InputMessageNotifier::hasAnyWarning()
+{
+    return this->m_warningCount != 0;
+}
+
+InputMessageNotifier::~InputMessageNotifier() { }
+
+void InputMessageNotifier::incCounter(InputMessageNotifier::MessageLevel level)
+{
+    switch (level) {
+    case InputMessageNotifier::MessageLevel::Warning:
+        ++this->m_warningCount;
+        break;
+    case InputMessageNotifier::MessageLevel::Error:
+        ++this->m_errorCount;
+        break;
+    }
+}
+void InputMessageNotifier::decCounter(MessageLevel level)
+{
+    switch (level) {
+    case InputMessageNotifier::MessageLevel::Warning:
+        --this->m_warningCount;
+        break;
+    case InputMessageNotifier::MessageLevel::Error:
+        --this->m_errorCount;
+        break;
+    }
+}
+
+} // namespace preferences

src/plugins/preferences/common/inputmessagenotifier.h

@@ -0,0 +1,164 @@
+/***********************************************************************************************************************
+**
+** Copyright (C) 2021 BaseALT Ltd. <org@basealt.ru>
+**
+** This program is free software; you can redistribute it and/or
+** modify it under the terms of the GNU General Public License
+** as published by the Free Software Foundation; either version 2
+** of the License, or (at your option) any later version.
+**
+** This program is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+** GNU General Public License for more details.
+**
+** You should have received a copy of the GNU General Public License
+** along with this program; if not, write to the Free Software
+** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+**
+***********************************************************************************************************************/
+
+#ifndef GPUI_INPUTMESSAGENOTIFIER_H
+#define GPUI_INPUTMESSAGENOTIFIER_H
+
+#include <QtCore>
+#include <QtWidgets>
+#include <bits/stdc++.h>
+
+namespace preferences {
+
+class InputDetector
+{
+public:
+    virtual bool detect(const QString &input) = 0;
+    virtual ~InputDetector() = default;
+};
+
+class InputMessageNotifier : public QWidget
+{
+public:
+    Q_OBJECT
+
+public:
+    enum class MessageLevel {
+        Warning,
+        Error,
+    };
+
+private:
+    typedef struct DetectElement
+    {
+    public:
+        DetectElement(QWidget *parent, QLayout *layout, const QString &message, MessageLevel level);
+        DetectElement(DetectElement &&element);
+        DetectElement &operator=(DetectElement &&element);
+
+        void detect();
+        void undetect();
+
+        bool detected();
+        MessageLevel level();
+        void setMessage(const QString &message);
+
+        ~DetectElement();
+
+    private:
+        DetectElement(const DetectElement &) = delete; // copy ctor
+        DetectElement &operator=(const DetectElement &) = delete; // copy assignment
+
+    private:
+        bool m_detected{ false };
+        QLabel *m_label{ nullptr };
+        MessageLevel m_level{ MessageLevel::Warning };
+    } DetectElement;
+
+    typedef std::unordered_map<size_t, DetectElement> InputInstance;
+
+public:
+    InputMessageNotifier(QWidget *widget);
+
+    /**
+     * @brief add detector.
+     * @param detector Detector.
+     * @return Detector id.
+     */
+    size_t addDetector(std::unique_ptr<InputDetector> detector);
+
+    /**
+     * @brief remove detector.
+     * @param id Detector id.
+     */
+    void removeDetector(size_t id);
+
+    /**
+     * @brief registrate input.
+     * @param name Name of input to be registrated.
+     */
+    void addInput(const QString &name);
+
+    /**
+     * @brief unregistrate input.
+     * @param name Name of input to be unregistrated.
+     */
+    void removeInput(const QString &name);
+
+    /**
+     * @brief update input content and validate it.
+     * @param name Name of registrated input.
+     * @param input Input content.
+     */
+    void updateInput(const QString &name, const QString &input);
+
+    /**
+     * @brief update input content and validate it.
+     * @param name Name of registrated input.
+     * @param detector Detector id.
+     * @param message MessageNotifier message on detect.
+     */
+    void setMessage(const QString &name, size_t detector, const QString &message);
+
+    /**
+     * @brief attach detector to input.
+     * @param name Name of registrated input.
+     * @param detector Detector id.
+     * @param level Message level(visual and see hasAnyError() and hasAnyWarning())
+     */
+    void attachDetector(const QString &name, size_t detector, const QString &message,
+                        MessageLevel level = MessageLevel::Warning);
+
+    /**
+     * @return true, if any error has been detected(on any input).
+     */
+    bool hasAnyError();
+
+    /**
+     * @return true, if any warning has been detected(on any input).
+     */
+    bool hasAnyWarning();
+
+    ~InputMessageNotifier();
+
+private:
+    InputMessageNotifier(const InputMessageNotifier &) = delete; // copy ctor
+    InputMessageNotifier(InputMessageNotifier &&) = delete; // move ctor
+    InputMessageNotifier &operator=(const InputMessageNotifier &) = delete; // copy assignment
+    InputMessageNotifier &operator=(InputMessageNotifier &&) = delete; // move assignment
+
+    void incCounter(MessageLevel level);
+    void decCounter(MessageLevel level);
+
+private:
+    std::unordered_map<size_t, std::unique_ptr<InputDetector>> m_detectors{};
+    std::unordered_map<QString, InputInstance> m_instances{};
+
+    size_t m_errorCount{ 0 };
+    size_t m_warningCount{ 0 };
+
+    size_t m_nextDetector{ 0 };
+
+    QLayout *m_layout{ nullptr };
+};
+
+} // namespace preferences
+
+#endif // GPUI_INPUTMESSAGENOTIFIER_H

src/plugins/preferences/files/fileswidget.cpp

@@ -20,6 +20,7 @@
 
 #include "fileswidget.h"
 #include "ui_fileswidget.h"
+#include "common/inputdetectors.h"
 
 #include "common/commonutils.h"
 #include "filesitem.h"
@@ -40,6 +41,20 @@ FilesWidget::FilesWidget(QWidget *parent, FilesItem *item)
 {
     ui->setupUi(this);
 
+    this->whitespaceDetector = ui->inputMessage->addDetector(std::unique_ptr<InputDetector>(new WhitespaceDetector));
+    this->emptyDetector = ui->inputMessage->addDetector(std::unique_ptr<InputDetector>(new EmptyDetector));
+
+    ui->inputMessage->addInput("source_file");
+    ui->inputMessage->addInput("destination");
+
+    ui->inputMessage->attachDetector("source_file", whitespaceDetector, tr("source_file_whitespace"));
+    ui->inputMessage->attachDetector("source_file", emptyDetector, tr("source_file_empty"), InputMessageNotifier::MessageLevel::Error);
+
+    ui->inputMessage->attachDetector("destination", whitespaceDetector, tr("destination_whitespace"));
+    ui->inputMessage->attachDetector("destination", emptyDetector, tr("destination_empty"), InputMessageNotifier::MessageLevel::Error);
+
+    ui->sourceLineEdit->setToolTip("test");
+
     on_actionComboBox_currentIndexChanged(ui->actionComboBox->currentIndex());
 }
 

src/plugins/preferences/files/fileswidget.h

@@ -65,6 +65,7 @@ private slots:
     void on_actionComboBox_currentIndexChanged(int index);
     void on_destinationToolButton_clicked();
     void on_sourceLineEdit_textChanged(const QString &text);
+    void on_destinationLineEdit_textChanged(const QString &text);
     void on_sourceToolButton_clicked();
 
 private:
@@ -82,6 +83,9 @@ private:
 
     bool fileMode {true};
 
+    size_t whitespaceDetector{0};
+    size_t emptyDetector{0};
+
 private:
     Ui::FilesWidget *ui {nullptr};
 };

src/plugins/preferences/files/fileswidget.ui

@@ -117,6 +117,9 @@
      </item>
     </layout>
    </item>
+   <item>
+    <widget class="preferences::InputMessageNotifier" name="inputMessage" native="true"/>
+   </item>
    <item>
     <widget class="QCheckBox" name="supressErrorsCheckBox">
      <property name="text">
@@ -202,6 +205,12 @@
    <extends>QLineEdit</extends>
    <header>common/shortcutlineedit.h</header>
   </customwidget>
+  <customwidget>
+   <class>preferences::InputMessageNotifier</class>
+   <extends>QWidget</extends>
+   <header>common/inputmessagenotifier.h</header>
+   <container>1</container>
+  </customwidget>
  </customwidgets>
  <resources/>
  <connections/>

src/plugins/preferences/files/fileswidgetslots.cpp

@@ -103,6 +103,11 @@ void FilesWidget::on_destinationToolButton_clicked()
     }
 }
 
+void FilesWidget::on_destinationLineEdit_textChanged(const QString &text)
+{
+    ui->inputMessage->updateInput("destination", text);
+}
+
 void FilesWidget::on_sourceLineEdit_textChanged(const QString &text)
 {
     if (text.contains('*') || text.contains('?'))
@@ -110,13 +115,18 @@ void FilesWidget::on_sourceLineEdit_textChanged(const QString &text)
         fileMode = false;
 
         ui->destinationLabel->setText(tr("Destination folder:"));
+        ui->inputMessage->setMessage("destination", this->whitespaceDetector, tr("destination_folder_whitespace"));
+        ui->inputMessage->setMessage("destination", this->emptyDetector, tr("destination_folder_empty"));
     }
     else
     {
         fileMode = true;
 
         ui->destinationLabel->setText(tr("Destination file:"));
+        ui->inputMessage->setMessage("destination", this->whitespaceDetector, tr("destination_whitespace"));
+        ui->inputMessage->setMessage("destination", this->emptyDetector, tr("destination_empty"));
     }
+    ui->inputMessage->updateInput("source_file", text);
 }
 
 } // namespace preferences

src/plugins/preferences/files/i18n/files_translation_en.ts

@@ -57,32 +57,32 @@
         <translation>Destination:</translation>
     </message>
     <message>
-        <location filename="../fileswidget.ui" line="123"/>
+        <location filename="../fileswidget.ui" line="126"/>
         <source>Supress errors on individual file actions</source>
         <translation>Supress errors on individual file actions</translation>
     </message>
     <message>
-        <location filename="../fileswidget.ui" line="147"/>
+        <location filename="../fileswidget.ui" line="150"/>
         <source>Attributes</source>
         <translation>Attributes</translation>
     </message>
     <message>
-        <location filename="../fileswidget.ui" line="153"/>
+        <location filename="../fileswidget.ui" line="156"/>
         <source>Read-only</source>
         <translation>Read-only</translation>
     </message>
     <message>
-        <location filename="../fileswidget.ui" line="160"/>
+        <location filename="../fileswidget.ui" line="163"/>
         <source>Hidden</source>
         <translation>Hidden</translation>
     </message>
     <message>
-        <location filename="../fileswidget.ui" line="167"/>
+        <location filename="../fileswidget.ui" line="170"/>
         <source>Archive</source>
         <translation>Archive</translation>
     </message>
     <message>
-        <location filename="../fileswidget.ui" line="174"/>
+        <location filename="../fileswidget.ui" line="177"/>
         <source>Executable</source>
         <translation>Executable</translation>
     </message>
@@ -120,13 +120,13 @@
         <translation>Target</translation>
     </message>
     <message>
-        <location filename="../fileswidgetslots.cpp" line="79"/>
-        <location filename="../fileswidgetslots.cpp" line="86"/>
+        <location filename="../fileswidgetslots.cpp" line="80"/>
+        <location filename="../fileswidgetslots.cpp" line="91"/>
         <source>All files (*)</source>
         <translation>All files (*)</translation>
     </message>
     <message>
-        <location filename="../fileswidgetslots.cpp" line="90"/>
+        <location filename="../fileswidgetslots.cpp" line="99"/>
         <source>All files (*.*)</source>
         <translation>All files (*.*)</translation>
     </message>
@@ -134,17 +134,39 @@
 <context>
     <name>preferences::FilesWidget</name>
     <message>
-        <location filename="../fileswidget.cpp" line="79"/>
+        <location filename="../fileswidget.cpp" line="50"/>
+        <location filename="../fileswidget.cpp" line="51"/>
+        <source>source_file_whitespace</source>
+        <translation>The input field of the source file contains a space at the beginning or at the end</translation>
+    </message>
+    <message>
+        <location filename="../fileswidgetslots.cpp" line="126"/>
+        <source>destination_whitespace</source>
+        <translation>The input field of the destination file contains a space at the beginning or at the end</translation>
+    </message>
+    <message>
+        <location filename="../fileswidget.cpp" line="53"/>
+        <source>source_file_empty</source>
+        <translation>An empty input field for the source file</translation>
+    </message>
+    <message>
+        <location filename="../fileswidget.cpp" line="54"/>
+        <location filename="../fileswidgetslots.cpp" line="127"/>
+        <source>destination_empty</source>
+        <translation>An empty input field for the destination file</translation>
+    </message>
+    <message>
+        <location filename="../fileswidget.cpp" line="92"/>
         <source>Please enter source file(s) value.</source>
         <translation>Please enter source file(s) value.</translation>
     </message>
     <message>
-        <location filename="../fileswidget.cpp" line="84"/>
+        <location filename="../fileswidget.cpp" line="97"/>
         <source>Please enter destination file(s) value.</source>
         <translation>Please enter destination file(s) value.</translation>
     </message>
     <message>
-        <location filename="../fileswidget.cpp" line="94"/>
+        <location filename="../fileswidget.cpp" line="107"/>
         <source>General</source>
         <translation>General</translation>
     </message>
@@ -155,10 +177,20 @@
     </message>
     <message>
         <location filename="../fileswidgetslots.cpp" line="73"/>
-        <location filename="../fileswidgetslots.cpp" line="106"/>
+        <location filename="../fileswidgetslots.cpp" line="125"/>
         <source>Destination file:</source>
         <translation>Destination file:</translation>
     </message>
+    <message>
+        <location filename="../fileswidgetslots.cpp" line="118"/>
+        <source>destination_folder_whitespace</source>
+        <translation>The input field of the destination folder contains a space at the beginning or at the end</translation>
+    </message>
+    <message>
+        <location filename="../fileswidgetslots.cpp" line="119"/>
+        <source>destination_folder_empty</source>
+        <translation>An empty input field for the destination folder</translation>
+    </message>
     <message>
         <source>Open</source>
         <translation type="vanished">Open</translation>
@@ -184,7 +216,7 @@
         <translation type="vanished">Open Directory</translation>
     </message>
     <message>
-        <location filename="../fileswidgetslots.cpp" line="100"/>
+        <location filename="../fileswidgetslots.cpp" line="117"/>
         <source>Destination folder:</source>
         <translation>Destination folder:</translation>
     </message>

src/plugins/preferences/files/i18n/files_translation_ru.ts

@@ -57,32 +57,32 @@
         <translation>Назначение:</translation>
     </message>
     <message>
-        <location filename="../fileswidget.ui" line="123"/>
+        <location filename="../fileswidget.ui" line="126"/>
         <source>Supress errors on individual file actions</source>
         <translation>Подавление ошибок при действиях с отдельными файлами</translation>
     </message>
     <message>
-        <location filename="../fileswidget.ui" line="147"/>
+        <location filename="../fileswidget.ui" line="150"/>
         <source>Attributes</source>
         <translation>Атрибуты</translation>
     </message>
     <message>
-        <location filename="../fileswidget.ui" line="153"/>
+        <location filename="../fileswidget.ui" line="156"/>
         <source>Read-only</source>
         <translation>Только для чтения</translation>
     </message>
     <message>
-        <location filename="../fileswidget.ui" line="160"/>
+        <location filename="../fileswidget.ui" line="163"/>
         <source>Hidden</source>
         <translation>Скрытый</translation>
     </message>
     <message>
-        <location filename="../fileswidget.ui" line="167"/>
+        <location filename="../fileswidget.ui" line="170"/>
         <source>Archive</source>
         <translation>Архивный</translation>
     </message>
     <message>
-        <location filename="../fileswidget.ui" line="174"/>
+        <location filename="../fileswidget.ui" line="177"/>
         <source>Executable</source>
         <translation>Исполняемый</translation>
     </message>
@@ -120,13 +120,13 @@
         <translation>Цель</translation>
     </message>
     <message>
-        <location filename="../fileswidgetslots.cpp" line="79"/>
-        <location filename="../fileswidgetslots.cpp" line="86"/>
+        <location filename="../fileswidgetslots.cpp" line="80"/>
+        <location filename="../fileswidgetslots.cpp" line="91"/>
         <source>All files (*)</source>
         <translation>Все файлы (*)</translation>
     </message>
     <message>
-        <location filename="../fileswidgetslots.cpp" line="90"/>
+        <location filename="../fileswidgetslots.cpp" line="99"/>
         <source>All files (*.*)</source>
         <translation>Все файлы (*.*)</translation>
     </message>
@@ -134,17 +134,39 @@
 <context>
     <name>preferences::FilesWidget</name>
     <message>
-        <location filename="../fileswidget.cpp" line="79"/>
+        <location filename="../fileswidget.cpp" line="50"/>
+        <location filename="../fileswidget.cpp" line="51"/>
+        <source>source_file_whitespace</source>
+        <translation>Поле ввода исходного файла содержит пробел в начале или в конце</translation>
+    </message>
+    <message>
+        <location filename="../fileswidgetslots.cpp" line="126"/>
+        <source>destination_whitespace</source>
+        <translation>Поле ввода целевого файла содержит пробел в начале или в конце</translation>
+    </message>
+    <message>
+        <location filename="../fileswidget.cpp" line="53"/>
+        <source>source_file_empty</source>
+        <translation>Пустое поле ввода исходного файла</translation>
+    </message>
+    <message>
+        <location filename="../fileswidget.cpp" line="54"/>
+        <location filename="../fileswidgetslots.cpp" line="127"/>
+        <source>destination_empty</source>
+        <translation>Пустое поле ввода файла назначения</translation>
+    </message>
+    <message>
+        <location filename="../fileswidget.cpp" line="92"/>
         <source>Please enter source file(s) value.</source>
         <translation>Пожалуйста, введите источник файла(ов).</translation>
     </message>
     <message>
-        <location filename="../fileswidget.cpp" line="84"/>
+        <location filename="../fileswidget.cpp" line="97"/>
         <source>Please enter destination file(s) value.</source>
         <translation>Пожалуйста, введите место назначения файла(ов).</translation>
     </message>
     <message>
-        <location filename="../fileswidget.cpp" line="94"/>
+        <location filename="../fileswidget.cpp" line="107"/>
         <source>General</source>
         <translation>Основные настройки</translation>
     </message>
@@ -155,10 +177,20 @@
     </message>
     <message>
         <location filename="../fileswidgetslots.cpp" line="73"/>
-        <location filename="../fileswidgetslots.cpp" line="106"/>
+        <location filename="../fileswidgetslots.cpp" line="125"/>
         <source>Destination file:</source>
         <translation>Место назначения файлов:</translation>
     </message>
+    <message>
+        <location filename="../fileswidgetslots.cpp" line="118"/>
+        <source>destination_folder_whitespace</source>
+        <translation>Поле ввода целевой папки содержит пробел в начале или в конце</translation>
+    </message>
+    <message>
+        <location filename="../fileswidgetslots.cpp" line="119"/>
+        <source>destination_folder_empty</source>
+        <translation>Пустое поле ввода папки назначения</translation>
+    </message>
     <message>
         <source>Open</source>
         <translation type="vanished">Открыть</translation>
@@ -184,7 +216,7 @@
         <translation type="vanished">Открыть Директорию</translation>
     </message>
     <message>
-        <location filename="../fileswidgetslots.cpp" line="100"/>
+        <location filename="../fileswidgetslots.cpp" line="117"/>
         <source>Destination folder:</source>
         <translation>Папка назначения:</translation>
     </message>