Implement DirSelectionWidget

This Widget lets you select a list of directories. It's basically about
code reuse. We're gonna need this later when implementing the favorite
directories feature.

1 files changed, 80 insertions, 0 deletions

diff --git a/dirselectionwidget.cpp b/dirselectionwidget.cpp
new file mode 100644
index 0000000..c23bd04
--- /dev/null
+++ b/dirselectionwidget.cpp
@@ -0,0 +1,80 @@
+#include <QHBoxLayout>
+#include <QVBoxLayout>
+#include <QLineEdit>
+#include <QPushButton>
+#include <QLabel>
+#include <QStandardItemModel>
+#include <QListView>
+#include <QFileDialog>
+#include <QDir>
+
+#include "dirselectionwidget.h"
+
+DirSelectionWidget::DirSelectionWidget(QWidget *parent) : QWidget(parent) {
+    QHBoxLayout *newDirL = new QHBoxLayout;
+    newDirL->addWidget(new QLabel(tr("Directory")));
+    mDir = new QLineEdit;
+    newDirL->addWidget(mDir);
+    QPushButton *browseBtn = new QPushButton(tr("Browse..."));
+    connect(browseBtn, &QPushButton::clicked, this, &DirSelectionWidget::browseDir);
+    newDirL->addWidget(browseBtn);
+    QPushButton *addBtn = new QPushButton(tr("Add"));
+    connect(addBtn, &QPushButton::clicked, this, &DirSelectionWidget::addDir);
+    QPushButton *removeBtn = new QPushButton(tr("Remove"));
+    connect(removeBtn, &QPushButton::clicked, this, &DirSelectionWidget::removeDir);
+    QHBoxLayout *addRemL = new QHBoxLayout;
+    addRemL->addStretch();
+    addRemL->addWidget(addBtn);
+    addRemL->addWidget(removeBtn);
+    mModel = new QStandardItemModel;
+    mView = new QListView;
+    mView->setModel(mModel);
+    connect(mView->selectionModel(), &QItemSelectionModel::currentChanged, [=](const QModelIndex &cur) { mDir->setText(cur.data().toString()); });
+    QVBoxLayout *newDirTabL = new QVBoxLayout;
+    newDirTabL->addLayout(newDirL);
+    newDirTabL->addLayout(addRemL);
+    newDirTabL->addWidget(mView);
+    setLayout(newDirTabL);
+}
+
+const QStringList DirSelectionWidget::directories() const {
+    QStringList retval;
+    for(int i = 0; i < mModel->rowCount(); ++i){
+        QStandardItem *item = mModel->item(i, 0);
+        retval << item->text();
+    }
+    return retval;
+}
+
+void DirSelectionWidget::setDirectories(const QStringList &dirs){
+    mModel->clear();
+    for(const QString &d : dirs){
+        QStandardItem *newDir = new QStandardItem(QIcon(":/folder.png"), d);
+        mModel->insertRow(mModel->rowCount(), newDir);
+    }
+}
+
+void DirSelectionWidget::browseDir(){
+    QString dir = QFileDialog::getExistingDirectory(this, tr("Select Directory"), QDir::homePath());
+    mDir->setText(QDir::toNativeSeparators(dir));
+}
+
+void DirSelectionWidget::addDir(){
+    QString dir = mDir->text();
+    QFileInfo dinfo(dir);
+    if(dinfo.exists() && dinfo.isDir()){
+        auto search = mModel->findItems(dir);
+        if(search.isEmpty()){
+            QStandardItem *newDir = new QStandardItem(QIcon(":/folder.png"), dir);
+            mModel->insertRow(mModel->rowCount(), newDir);
+        }
+    }
+}
+
+void DirSelectionWidget::removeDir(){
+    QString dir = mDir->text();
+    auto search = mModel->findItems(dir);
+    if(!search.isEmpty()){
+        mModel->removeRow(search.first()->row());
+    }
+}