KReport

KReportView.cpp
1 /* This file is part of the KDE project
2  Copyright (C) 2015 by Adam Pigg ([email protected])
3  Copyright (C) 2017 JarosÅ‚aw Staniek <[email protected]>
4 
5  This library is free software; you can redistribute it and/or
6  modify it under the terms of the GNU Library General Public
7  License as published by the Free Software Foundation; either
8  version 2.1 of the License, or (at your option) any later version.
9 
10  This library is distributed in the hope that it will be useful,
11  but WITHOUT ANY WARRANTY; without even the implied warranty of
12  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  Library General Public License for more details.
14 
15  You should have received a copy of the GNU Library General Public License
16  along with this library; see the file COPYING.LIB. If not, write to
17  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18  Boston, MA 02110-1301, USA.
19 */
20 
21 #include "KReportView.h"
22 #include "KReportPage.h"
23 #include "KReportRenderObjects.h"
24 #include "KReportPreRenderer.h"
25 #include "KReportRendererBase.h"
26 #include "kreport_debug.h"
27 
28 #include <QLabel>
29 #include <QBoxLayout>
30 #include <QScrollArea>
31 #include <QLayout>
32 #include <QPainter>
33 #include <QPointer>
34 #include <QGraphicsView>
35 #include <QGraphicsScene>
36 #include <QScrollBar>
37 
38 //! @internal
39 class Q_DECL_HIDDEN KReportView::Private
40 {
41 public:
42  explicit Private()
43  : reportPage(nullptr)
44  , currentPage(1)
45  , pageCount(0)
46  {}
47 
48  ~Private()
49  {}
50 
51  //! Move to page @a page (counted from 1)
52  void moveToPage(int page)
53  {
54  if (page != currentPage && page >= 1 && page <= pageCount) {
55  currentPage = page;
56  reportPage->renderPage(currentPage);
57  }
58  }
59 
60  QPointer<ORODocument> reportDocument;
61  QGraphicsView *reportView;
62  QGraphicsScene *reportScene;
63  KReportPage *reportPage;
64 
65  int currentPage;
66  int pageCount;
67 
68  KReportRendererFactory factory;
69 };
70 
71 
72 KReportView::KReportView(QWidget *parent)
73  : QWidget(parent), d(new Private())
74 {
75  setObjectName(QLatin1String("KReportView"));
76 
77  d->reportView = new QGraphicsView(this);
78  // page selector should be always visible:
79  d->reportView->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
80 
81  QVBoxLayout *l = new QVBoxLayout;
82  l->setMargin(0);
83  setLayout(l);
84 
85  layout()->addWidget(d->reportView);
86 
87  d->reportScene = new QGraphicsScene(this);
88  d->reportScene->setSceneRect(0,0,1000,2000);
89  d->reportView->setScene(d->reportScene);
90 
91  d->reportScene->setBackgroundBrush(palette().brush(QPalette::Dark));
92 }
93 
94 KReportView::~KReportView()
95 {
96  //kreportDebug();
97  delete d;
98 }
99 
100 void KReportView::moveToFirstPage()
101 {
102  d->moveToPage(1);
103 }
104 
105 void KReportView::moveToLastPage()
106 {
107  d->moveToPage(d->pageCount);
108 }
109 
110 void KReportView::moveToNextPage()
111 {
112  d->moveToPage(d->currentPage + 1);
113 }
114 
115 void KReportView::moveToPreviousPage()
116 {
117  d->moveToPage(d->currentPage - 1);
118 }
119 
121 {
122  d->moveToPage(page);
123 }
124 
126 {
127  return d->currentPage;
128 }
129 
130 int KReportView::pageCount() const
131 {
132  return d->pageCount;
133 }
134 
135 void KReportView::setDocument(ORODocument* doc)
136 {
137  d->reportDocument = doc;
138 
139  if (d->reportPage) {
140  delete d->reportPage;
141  }
142 
143  d->pageCount = doc->pageCount();
144 
145  d->reportPage = new KReportPage(this, d->reportDocument);
146  d->reportPage->setObjectName(QLatin1String("KReportPage"));
147 
148  d->reportScene->setSceneRect(0,0,d->reportPage->rect().width() + 40, d->reportPage->rect().height() + 40);
149  d->reportScene->addItem(d->reportPage);
150  d->reportPage->setPos(20,20);
151  d->reportView->centerOn(0,0);
152 
153 }
154 
155 QAbstractScrollArea* KReportView::scrollArea()
156 {
157  return d->reportView;
158 }
159 
160 void KReportView::refreshCurrentPage()
161 {
162  //kreportDebug() << "Refreshing current page" << d->currentPage;
163  if (d->reportPage) {
164  d->reportPage->renderPage(d->currentPage);
165  }
166 }
167 
Factory for creating renderers.
Provides a widget that renders a specific page of an ORODocument The widget is sized to the document ...
Definition: KReportPage.h:33
void setMargin(int margin)
ScrollBarAlwaysOn
Represents a single document containing one or more OROPage elements.
int currentPage() const
Provides a simple widget for viewing a rendered report on screen.
Definition: KReportView.h:34
int pageCount() const
Return the total number of pages in the document.
void moveToPage(int page)
Moves to page page (counted from 1)
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