[Add] Load PDF files.

src/pdf_file_widget.cpp

@@ -23,10 +23,6 @@ FileWidget::FileWidget(QWidget* parent) {
   setAcceptDrops(true);
   mainLayout = new QHBoxLayout();
 
-  for(int i = 0; i < 4; i++) {
-    addChild(tr("Child number #") + QString::number(i));
-  }
-
   setLayout(mainLayout);
 }
 
@@ -35,6 +31,7 @@ int FileWidget::getChildCount() const {
 }
 
 QSize FileWidget::sizeHint() const {
+  qDebug() << size();
   return QSize(CHILD_AREA_WIDTH*getChildCount(), CHILD_AREA_HEIGHT + 20);
 }
 
@@ -43,12 +40,22 @@ void FileWidget::addChild(QString name) {
   newchild = new PDFPageWidget();
   newchild->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
   newchild->resize(CHILD_AREA_WIDTH, CHILD_AREA_HEIGHT);
-  /*newchild->setText(name);*/
-  /*newchild->setStyleSheet("QLabel { background-color : red; color : blue }");*/
 
   child.push_back(newchild);
 
   mainLayout->addWidget(newchild);
+  adjustSize();
+}
+
+void FileWidget::addChild(QImage* image) {
+  PDFPageWidget* newchild;
+  newchild = new PDFPageWidget();
+  newchild->setThumbnail(image);
+
+  child.push_back(newchild);
+  
+  mainLayout->addWidget(newchild);
+  adjustSize();
 }
 
 void FileWidget::dragEnterEvent(QDragEnterEvent* event) {
@@ -60,7 +67,11 @@ void FileWidget::dropEvent(QDropEvent* event) {
   int from  = event->mimeData()->text().toInt();
   int to    = findChildPositionInLayout(child[findClickEventChild(event->pos())]);
 
-  qDebug() << QString::number(from) + " " + QString::number(to);
+  qDebug() << "Moving " + QString::number(from) + " " + QString::number(to);
+
+  for(int i = 0; i < child.size(); i++) {
+    qDebug() << child[i]->size();
+  }
 
   mainLayout->removeWidget(child[from]);
   mainLayout->insertWidget(to, child[from]);
@@ -126,19 +137,23 @@ PDFFileWidget::PDFFileWidget(QWidget* parent) {
   adjustSize();
 }
 
+#if 0
 QSize PDFFileWidget::sizeHint() const {
   if(collapsed == true)
     return QSize(mainChild->width(), collapseButton->height());
   else
     return QSize(mainChild->width(), collapseButton->height() + mainChild->height() + 50);
 }
+#endif
 
 void PDFFileWidget::setCollapsed(bool state) {
   if(state == true) {
     collapsed = true;
+    setFixedHeight(collapseButton->height() + 80);
     scrollArea->hide();
   } else {
     collapsed = false;
+    setFixedHeight(collapseButton->height() + mainChild->height() + 50);
     scrollArea->show();
   }
 
@@ -152,3 +167,14 @@ void PDFFileWidget::collapsedButtonClick(void) {
     setCollapsed(true);
 }
 
+void PDFFileWidget::setDocument(Poppler::Document* document, QString filename) {
+  int numPages = document->numPages();
+  for(int i; i < numPages; i++) {
+    Poppler::Page* pdfPage = document->page(i);
+    QImage* image = new QImage();
+    *image = pdfPage->renderToImage();
+
+    mainChild->addChild(image);
+  }
+}
+

src/pdf_file_widget.h

@@ -1,3 +1,4 @@
+#pragma once
 #include <QWidget>
 #include <QScrollArea>
 #include <QHBoxLayout>
@@ -16,6 +17,10 @@ class FileWidget : public QWidget {
 public:
   FileWidget(QWidget* parent = 0);
   QSize sizeHint() const;
+
+  void addChild(QString name);
+  void addChild(QImage* image);
+
 protected:
   void dragEnterEvent(QDragEnterEvent* event);
   void dropEvent(QDropEvent* event);
@@ -25,7 +30,6 @@ private:
 
   QHBoxLayout* mainLayout;
 
-  void addChild(QString name);
   int  findClickEventChild(QPoint pos);
   int  findChildPositionInLayout(PDFPageWidget* child);
   int  getChildCount() const;
@@ -37,10 +41,10 @@ class PDFFileWidget : public QWidget {
 
 public:
   PDFFileWidget(QWidget* parent = 0);
-  QSize sizeHint() const;
+  /*QSize sizeHint() const;*/
 
   void setAncestor(QWidget* ancestor) { this->ancestor = ancestor; }
-  void setDocument(Poppler::Document* document, QString filename) {};
+  void setDocument(Poppler::Document* document, QString filename);
 
   bool isCollapsed(void) { return collapsed; }
   void setCollapsed(bool collapsed);

src/pdf_page_widget.cpp

@@ -8,6 +8,7 @@ PDFPageWidget::PDFPageWidget(QWidget* parent) :
   /* Resize widget. */
   this->resize(150, 150);
   this->setMinimumHeight(150);
+  this->setMinimumWidth(150);
 
   this->setMouseTracking(true);
   this->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);

src/table_view.cpp

@@ -18,36 +18,29 @@ TableView::TableView(QWidget* parent) : QWidget(parent) {
   scrollArea->setWidget(frame);
   frame->setLayout(layout);
   frame->setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Ignored);
-  int i = 0;
-
-  /* TODO: Page widget is placed for testing only.
-   * To remove pagewidget and add filewidgets later,
-   * use QVector<PDFFile> files to store files.
-   */
-  /*for(i = 0; i < 10; i++) {
-    test[i] = new PDFPageWidget();
-    test[i]->setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Ignored);
-    
-    layout->addWidget(test[i]);
-  }*/
-
-  for(i = 0; i < 10; i++) {
-    test[i] = new PDFFileWidget();
-    /*test[i]->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Ignored);*/
-
-    test[i]->setAncestor(this);
-    layout->addWidget(test[i]);
-  }
-  /* End TODO. */
   frame->adjustSize();
+  loadFile("/home/allanis/docs/loa.pdf");
+  loadFile("/home/allanis/docs/loa.pdf");
+}
+
+void TableView::loadFile(QString fileName) {
+  filenames.append(fileName);
+  Poppler::Document* doc = Poppler::Document::load(fileName);
+  files.append(doc);
+  PDFFileWidget* pfw = new PDFFileWidget();
+  pfw->setAncestor(this);
+  pfw->setDocument(doc, fileName);
+
+  fileWidgets.append(pfw);
+  layout->addWidget(pfw);
 }
 
 void TableView::paintEvent(QPaintEvent* event) {
   frame->adjustSize();
   int newWidth = width() - 50;
  
-  for(int i = 0; i < 10; i++) {
-    test[i]->resize(newWidth, test[i]->height());
+  for(int i = 0; i < fileWidgets.size(); i++) {
+    fileWidgets.at(i)->resize(newWidth, fileWidgets.at(i)->height());
   }
 
   frame->resize(newWidth, frame->height());

src/table_view.h

@@ -7,6 +7,7 @@
 #include <QFrame>
 #include <poppler-qt5.h>
 #include "pdf_page_widget.h"
+#include "pdf_file_widget.h"
 
 class QPushButton;
 class QWidget;
@@ -26,8 +27,10 @@ private:
   QVBoxLayout*  outerLayout;
 
   void paintEvent(QPaintEvent* event);
+  void loadFile(QString fileName);
 
   QVector<Poppler::Document*> files;
   QVector<QString>            filenames;
+  QVector<PDFFileWidget*>     fileWidgets;
 };