[1f4adec] | 1 | /* |
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| 2 | |
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| 3 | Copyright 2014 S. Razi Alavizadeh |
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| 4 | Copyright 2013-2014 Adam Reichold |
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| 5 | |
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| 6 | This file is part of qpdfview. |
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| 7 | |
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| 8 | qpdfview is free software: you can redistribute it and/or modify |
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| 9 | it under the terms of the GNU General Public License as published by |
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| 10 | the Free Software Foundation, either version 2 of the License, or |
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| 11 | (at your option) any later version. |
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| 12 | |
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| 13 | qpdfview is distributed in the hope that it will be useful, |
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| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 16 | GNU General Public License for more details. |
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| 17 | |
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| 18 | You should have received a copy of the GNU General Public License |
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| 19 | along with qpdfview. If not, see <http://www.gnu.org/licenses/>. |
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| 20 | |
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| 21 | */ |
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| 22 | |
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| 23 | #ifndef DOCUMENTMODEL_H |
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| 24 | #define DOCUMENTMODEL_H |
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| 25 | |
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| 26 | #include <QList> |
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| 27 | #include <QtPlugin> |
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| 28 | #include <QRect> |
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| 29 | #include <QStandardItemModel> |
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| 30 | #include <QString> |
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| 31 | #include <QWidget> |
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| 32 | |
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| 33 | class QColor; |
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| 34 | class QImage; |
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| 35 | class QPrinter; |
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| 36 | class QSizeF; |
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| 37 | |
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| 38 | #include "global.h" |
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| 39 | |
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| 40 | namespace qpdfview |
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| 41 | { |
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| 42 | |
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| 43 | namespace Model |
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| 44 | { |
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| 45 | struct Link |
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| 46 | { |
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| 47 | QPainterPath boundary; |
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| 48 | |
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| 49 | int page; |
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| 50 | qreal left; |
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| 51 | qreal top; |
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| 52 | |
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| 53 | QString urlOrFileName; |
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| 54 | |
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| 55 | Link() : boundary(), page(-1), left(qQNaN()), top(qQNaN()), urlOrFileName() {} |
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| 56 | |
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| 57 | Link(const QPainterPath& boundary, int page, qreal left = qQNaN(), qreal top = qQNaN()) : boundary(boundary), page(page), left(left), top(top), urlOrFileName() {} |
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| 58 | Link(const QRectF& boundingRect, int page, qreal left = qQNaN(), qreal top = qQNaN()) : boundary(), page(page), left(left), top(top), urlOrFileName() { boundary.addRect(boundingRect); } |
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| 59 | |
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| 60 | Link(const QPainterPath& boundary, const QString& url) : boundary(boundary), page(-1), left(qQNaN()), top(qQNaN()), urlOrFileName(url) {} |
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| 61 | Link(const QRectF& boundingRect, const QString& url) : boundary(), page(-1), left(qQNaN()), top(qQNaN()), urlOrFileName(url) { boundary.addRect(boundingRect); } |
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| 62 | |
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| 63 | Link(const QPainterPath& boundary, const QString& fileName, int page) : boundary(boundary), page(page), left(qQNaN()), top(qQNaN()), urlOrFileName(fileName) {} |
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| 64 | Link(const QRectF& boundingRect, const QString& fileName, int page) : boundary(), page(page), left(qQNaN()), top(qQNaN()), urlOrFileName(fileName) { boundary.addRect(boundingRect); } |
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| 65 | |
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| 66 | }; |
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| 67 | |
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| 68 | class Annotation : public QObject |
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| 69 | { |
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| 70 | Q_OBJECT |
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| 71 | |
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| 72 | public: |
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| 73 | Annotation() : QObject() {} |
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| 74 | virtual ~Annotation() {} |
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| 75 | |
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| 76 | virtual QRectF boundary() const = 0; |
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| 77 | virtual QString contents() const = 0; |
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| 78 | |
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| 79 | virtual QWidget* createWidget() = 0; |
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| 80 | |
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| 81 | signals: |
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| 82 | void wasModified(); |
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| 83 | |
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| 84 | }; |
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| 85 | |
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| 86 | class FormField : public QObject |
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| 87 | { |
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| 88 | Q_OBJECT |
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| 89 | |
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| 90 | public: |
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| 91 | FormField() : QObject() {} |
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| 92 | virtual ~FormField() {} |
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| 93 | |
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| 94 | virtual QRectF boundary() const = 0; |
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| 95 | virtual QString name() const = 0; |
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| 96 | |
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| 97 | virtual QWidget* createWidget() = 0; |
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| 98 | |
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| 99 | signals: |
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| 100 | void wasModified(); |
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| 101 | |
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| 102 | }; |
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| 103 | |
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| 104 | class Page |
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| 105 | { |
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| 106 | public: |
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| 107 | virtual ~Page() {} |
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| 108 | |
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| 109 | virtual QSizeF size() const = 0; |
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| 110 | |
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| 111 | virtual QImage render(qreal horizontalResolution = 72.0, qreal verticalResolution = 72.0, Rotation rotation = RotateBy0, const QRect& boundingRect = QRect()) const = 0; |
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| 112 | |
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| 113 | virtual QString label() const { return QString(); } |
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| 114 | |
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| 115 | virtual QList< Link* > links() const { return QList< Link* >(); } |
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| 116 | |
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| 117 | virtual QString text(const QRectF& rect) const { Q_UNUSED(rect); return QString(); } |
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| 118 | virtual QString cachedText(const QRectF& rect) const { return text(rect); } |
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| 119 | |
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| 120 | virtual QList< QRectF > search(const QString& text, bool matchCase, bool wholeWords) const { Q_UNUSED(text); Q_UNUSED(matchCase); Q_UNUSED(wholeWords); return QList< QRectF >(); } |
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| 121 | |
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| 122 | virtual QList< Annotation* > annotations() const { return QList< Annotation* >(); } |
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| 123 | |
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| 124 | virtual bool canAddAndRemoveAnnotations() const { return false; } |
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| 125 | virtual Annotation* addTextAnnotation(const QRectF& boundary, const QColor& color) { Q_UNUSED(boundary); Q_UNUSED(color); return 0; } |
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| 126 | virtual Annotation* addHighlightAnnotation(const QRectF& boundary, const QColor& color) { Q_UNUSED(boundary); Q_UNUSED(color); return 0; } |
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| 127 | virtual void removeAnnotation(Annotation* annotation) { Q_UNUSED(annotation); } |
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| 128 | |
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| 129 | virtual QList< FormField* > formFields() const { return QList< FormField* >(); } |
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| 130 | |
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| 131 | }; |
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| 132 | |
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| 133 | class Document |
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| 134 | { |
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| 135 | public: |
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| 136 | virtual ~Document() {} |
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| 137 | |
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| 138 | virtual int numberOfPages() const = 0; |
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| 139 | |
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| 140 | virtual Page* page(int index) const = 0; |
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| 141 | |
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| 142 | virtual bool isLocked() const { return false; } |
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| 143 | virtual bool unlock(const QString& password) { Q_UNUSED(password); return false; } |
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| 144 | |
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| 145 | virtual QStringList saveFilter() const { return QStringList(); } |
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| 146 | |
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| 147 | virtual bool canSave() const { return false; } |
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| 148 | virtual bool save(const QString& filePath, bool withChanges) const { Q_UNUSED(filePath); Q_UNUSED(withChanges); return false; } |
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| 149 | |
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| 150 | virtual bool canBePrintedUsingCUPS() const { return false; } |
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| 151 | |
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| 152 | virtual void setPaperColor(const QColor& paperColor) { Q_UNUSED(paperColor); } |
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| 153 | |
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| 154 | enum |
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| 155 | { |
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| 156 | PageRole = Qt::UserRole + 1, |
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| 157 | LeftRole, |
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| 158 | TopRole, |
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| 159 | ExpansionRole |
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| 160 | }; |
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| 161 | |
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| 162 | virtual void loadOutline(QStandardItemModel* outlineModel) const { outlineModel->clear(); } |
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| 163 | virtual void loadProperties(QStandardItemModel* propertiesModel) const { propertiesModel->clear(); propertiesModel->setColumnCount(2); } |
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| 164 | |
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| 165 | virtual void loadFonts(QStandardItemModel* fontsModel) const { fontsModel->clear(); } |
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| 166 | |
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| 167 | virtual bool wantsContinuousMode() const { return false; } |
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| 168 | virtual bool wantsSinglePageMode() const { return false; } |
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| 169 | virtual bool wantsTwoPagesMode() const { return false; } |
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| 170 | virtual bool wantsTwoPagesWithCoverPageMode() const { return false; } |
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| 171 | virtual bool wantsRightToLeftMode() const { return false; } |
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| 172 | |
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| 173 | }; |
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| 174 | } |
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| 175 | |
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| 176 | class SettingsWidget : public QWidget |
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| 177 | { |
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| 178 | Q_OBJECT |
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| 179 | |
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| 180 | public: |
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| 181 | explicit SettingsWidget(QWidget* parent = 0) : QWidget(parent) {} |
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| 182 | |
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| 183 | virtual void accept() = 0; |
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| 184 | virtual void reset() = 0; |
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| 185 | |
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| 186 | }; |
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| 187 | |
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| 188 | class Plugin |
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| 189 | { |
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| 190 | public: |
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| 191 | virtual ~Plugin() {} |
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| 192 | |
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| 193 | virtual Model::Document* loadDocument(const QString& filePath) const = 0; |
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| 194 | |
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| 195 | virtual SettingsWidget* createSettingsWidget(QWidget* parent = 0) const { Q_UNUSED(parent); return 0; } |
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| 196 | |
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| 197 | }; |
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| 198 | |
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| 199 | } // qpdfview |
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| 200 | |
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| 201 | Q_DECLARE_INTERFACE(qpdfview::Plugin, "local.qpdfview.Plugin") |
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| 202 | |
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| 203 | #endif // DOCUMENTMODEL_H |
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