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author | axis <qt-info@nokia.com> | 2009-04-24 11:34:15 (GMT) |
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committer | axis <qt-info@nokia.com> | 2009-04-24 11:34:15 (GMT) |
commit | 8f427b2b914d5b575a4a7c0ed65d2fb8f45acc76 (patch) | |
tree | a17e1a767a89542ab59907462206d7dcf2e504b2 /examples/xmlpatterns/filetree | |
download | Qt-8f427b2b914d5b575a4a7c0ed65d2fb8f45acc76.zip Qt-8f427b2b914d5b575a4a7c0ed65d2fb8f45acc76.tar.gz Qt-8f427b2b914d5b575a4a7c0ed65d2fb8f45acc76.tar.bz2 |
Long live Qt for S60!
Diffstat (limited to 'examples/xmlpatterns/filetree')
-rw-r--r-- | examples/xmlpatterns/filetree/filetree.cpp | 372 | ||||
-rw-r--r-- | examples/xmlpatterns/filetree/filetree.h | 103 | ||||
-rw-r--r-- | examples/xmlpatterns/filetree/filetree.pro | 15 | ||||
-rw-r--r-- | examples/xmlpatterns/filetree/forms/mainwindow.ui | 200 | ||||
-rw-r--r-- | examples/xmlpatterns/filetree/main.cpp | 54 | ||||
-rw-r--r-- | examples/xmlpatterns/filetree/mainwindow.cpp | 166 | ||||
-rw-r--r-- | examples/xmlpatterns/filetree/mainwindow.h | 73 | ||||
-rw-r--r-- | examples/xmlpatterns/filetree/queries.qrc | 7 | ||||
-rw-r--r-- | examples/xmlpatterns/filetree/queries/listCPPFiles.xq | 19 | ||||
-rw-r--r-- | examples/xmlpatterns/filetree/queries/wholeTree.xq | 1 |
10 files changed, 1010 insertions, 0 deletions
diff --git a/examples/xmlpatterns/filetree/filetree.cpp b/examples/xmlpatterns/filetree/filetree.cpp new file mode 100644 index 0000000..6695a96 --- /dev/null +++ b/examples/xmlpatterns/filetree/filetree.cpp @@ -0,0 +1,372 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtCore/QUrl> +#include <QtCore/QVariant> +#include <QtXmlPatterns/QXmlNamePool> +#include "filetree.h" + +/* +The model has two types of nodes: elements & attributes. + + <directory name=""> + <file name=""> + </file> + </directory> + + In QXmlNodeModelIndex we store two values. QXmlNodeIndex::data() + is treated as a signed int, and it is an index into m_fileInfos + unless it is -1, in which case it has no meaning and the value + of QXmlNodeModelIndex::additionalData() is a Type name instead. + */ + +/*! + The constructor passes \a pool to the base class, then loads an + internal vector with an instance of QXmlName for each of the + strings "file", "directory", "fileName", "filePath", "size", + "mimeType", and "suffix". + */ +//! [2] +FileTree::FileTree(const QXmlNamePool& pool) + : QSimpleXmlNodeModel(pool), + m_filterAllowAll(QDir::AllEntries | + QDir::AllDirs | + QDir::NoDotAndDotDot | + QDir::Hidden), + m_sortFlags(QDir::Name) +{ + QXmlNamePool np = namePool(); + m_names.resize(7); + m_names[File] = QXmlName(np, QLatin1String("file")); + m_names[Directory] = QXmlName(np, QLatin1String("directory")); + m_names[AttributeFileName] = QXmlName(np, QLatin1String("fileName")); + m_names[AttributeFilePath] = QXmlName(np, QLatin1String("filePath")); + m_names[AttributeSize] = QXmlName(np, QLatin1String("size")); + m_names[AttributeMIMEType] = QXmlName(np, QLatin1String("mimeType")); + m_names[AttributeSuffix] = QXmlName(np, QLatin1String("suffix")); +} +//! [2] + +/*! + Returns the QXmlNodeModelIndex for the model node representing + the directory \a dirName. + + It calls QDir::cleanPath(), because an instance of QFileInfo + constructed for a path ending in '/' will return the empty string in + fileName(), instead of the directory name. +*/ +QXmlNodeModelIndex FileTree::nodeFor(const QString& dirName) const +{ + QFileInfo dirInfo(QDir::cleanPath(dirName)); + Q_ASSERT(dirInfo.exists()); + return toNodeIndex(dirInfo); +} + +/*! + Since the value will always be in m_fileInfos, it is safe for + us to return a const reference to it. + */ +//! [6] +const QFileInfo& +FileTree::toFileInfo(const QXmlNodeModelIndex &nodeIndex) const +{ + return m_fileInfos.at(nodeIndex.data()); +} +//! [6] + +/*! + Returns the model node index for the node specified by the + QFileInfo and node Type. + */ +//! [1] +QXmlNodeModelIndex +FileTree::toNodeIndex(const QFileInfo &fileInfo, Type attributeName) const +{ + const int indexOf = m_fileInfos.indexOf(fileInfo); + + if (indexOf == -1) { + m_fileInfos.append(fileInfo); + return createIndex(m_fileInfos.count()-1, attributeName); + } + else + return createIndex(indexOf, attributeName); +} +//! [1] + +/*! + Returns the model node index for the node specified by the + QFileInfo, which must be a Type::File or Type::Directory. + */ +//! [0] +QXmlNodeModelIndex FileTree::toNodeIndex(const QFileInfo &fileInfo) const +{ + return toNodeIndex(fileInfo, fileInfo.isDir() ? Directory : File); +} +//! [0] + +/*! + This private helper function is only called by nextFromSimpleAxis(). + It is called whenever nextFromSimpleAxis() is called with an axis + parameter of either \c{PreviousSibling} or \c{NextSibling}. + */ +//! [5] +QXmlNodeModelIndex FileTree::nextSibling(const QXmlNodeModelIndex &nodeIndex, + const QFileInfo &fileInfo, + qint8 offset) const +{ + Q_ASSERT(offset == -1 || offset == 1); + + // Get the context node's parent. + const QXmlNodeModelIndex parent(nextFromSimpleAxis(Parent, nodeIndex)); + + if (parent.isNull()) + return QXmlNodeModelIndex(); + + // Get the parent's child list. + const QFileInfo parentFI(toFileInfo(parent)); + Q_ASSERT(Type(parent.additionalData()) == Directory); + const QFileInfoList siblings(QDir(parentFI.absoluteFilePath()).entryInfoList(QStringList(), + m_filterAllowAll, + m_sortFlags)); + Q_ASSERT_X(!siblings.isEmpty(), Q_FUNC_INFO, "Can't happen! We started at a child."); + + // Find the index of the child where we started. + const int indexOfMe = siblings.indexOf(fileInfo); + + // Apply the offset. + const int siblingIndex = indexOfMe + offset; + if (siblingIndex < 0 || siblingIndex > siblings.count() - 1) + return QXmlNodeModelIndex(); + else + return toNodeIndex(siblings.at(siblingIndex)); +} +//! [5] + +/*! + This function is called by the QtXmlPatterns query engine when it + wants to move to the next node in the model. It moves along an \a + axis, \e from the node specified by \a nodeIndex. + + This function is usually the one that requires the most design and + implementation work, because the implementation depends on the + perhaps unique structure of your non-XML data. + + There are \l {QAbstractXmlNodeModel::SimpleAxis} {four values} for + \a axis that the implementation must handle, but there are really + only two axes, i.e., vertical and horizontal. Two of the four values + specify direction on the vertical axis (\c{Parent} and + \c{FirstChild}), and the other two values specify direction on the + horizontal axis (\c{PreviousSibling} and \c{NextSibling}). + + The typical implementation will be a \c switch statement with + a case for each of the four \a axis values. + */ +//! [4] +QXmlNodeModelIndex +FileTree::nextFromSimpleAxis(SimpleAxis axis, const QXmlNodeModelIndex &nodeIndex) const +{ + const QFileInfo fi(toFileInfo(nodeIndex)); + const Type type = Type(nodeIndex.additionalData()); + + if (type != File && type != Directory) { + Q_ASSERT_X(axis == Parent, Q_FUNC_INFO, "An attribute only has a parent!"); + return toNodeIndex(fi, Directory); + } + + switch (axis) { + case Parent: + return toNodeIndex(QFileInfo(fi.path()), Directory); + + case FirstChild: + { + if (type == File) // A file has no children. + return QXmlNodeModelIndex(); + else { + Q_ASSERT(type == Directory); + Q_ASSERT_X(fi.isDir(), Q_FUNC_INFO, "It isn't really a directory!"); + const QDir dir(fi.absoluteFilePath()); + Q_ASSERT(dir.exists()); + + const QFileInfoList children(dir.entryInfoList(QStringList(), + m_filterAllowAll, + m_sortFlags)); + if (children.isEmpty()) + return QXmlNodeModelIndex(); + const QFileInfo firstChild(children.first()); + return toNodeIndex(firstChild); + } + } + + case PreviousSibling: + return nextSibling(nodeIndex, fi, -1); + + case NextSibling: + return nextSibling(nodeIndex, fi, 1); + } + + Q_ASSERT_X(false, Q_FUNC_INFO, "Don't ever get here!"); + return QXmlNodeModelIndex(); +} +//! [4] + +/*! + No matter what part of the file system we model (the whole file + tree or a subtree), \a node will always have \c{file:///} as + the document URI. + */ +QUrl FileTree::documentUri(const QXmlNodeModelIndex &node) const +{ + Q_UNUSED(node); + return QUrl("file:///"); +} + +/*! + This function returns QXmlNodeModelIndex::Element if \a node + is a directory or a file, and QXmlNodeModelIndex::Attribute + otherwise. + */ +QXmlNodeModelIndex::NodeKind +FileTree::kind(const QXmlNodeModelIndex &node) const +{ + switch (Type(node.additionalData())) { + case Directory: + case File: + return QXmlNodeModelIndex::Element; + default: + return QXmlNodeModelIndex::Attribute; + } +} + +/*! + No order is defined for this example, so we always return + QXmlNodeModelIndex::Precedes, just to keep everyone happy. + */ +QXmlNodeModelIndex::DocumentOrder +FileTree::compareOrder(const QXmlNodeModelIndex&, + const QXmlNodeModelIndex&) const +{ + return QXmlNodeModelIndex::Precedes; +} + +/*! + Returns the name of \a node. The caller guarantees that \a node is + not null and that it is contained in this node model. + */ +//! [3] +QXmlName FileTree::name(const QXmlNodeModelIndex &node) const +{ + return m_names.at(node.additionalData()); +} +//! [3] + +/*! + Always returns the QXmlNodeModelIndex for the root of the + file system, i.e. "/". + */ +QXmlNodeModelIndex FileTree::root(const QXmlNodeModelIndex &node) const +{ + Q_UNUSED(node); + return toNodeIndex(QFileInfo(QLatin1String("/"))); +} + +/*! + Returns the typed value for \a node, which must be either an + attribute or an element. The QVariant returned represents the atomic + value of an attribute or the atomic value contained in an element. + + If the QVariant is returned as a default constructed variant, + it means that \a node has no typed value. + */ +QVariant FileTree::typedValue(const QXmlNodeModelIndex &node) const +{ + const QFileInfo &fi = toFileInfo(node); + + switch (Type(node.additionalData())) { + case Directory: + // deliberate fall through. + case File: + return QString(); + case AttributeFileName: + return fi.fileName(); + case AttributeFilePath: + return fi.filePath(); + case AttributeSize: + return fi.size(); + case AttributeMIMEType: + { + /* We don't have any MIME detection code currently, so return + * the most generic one. */ + return QLatin1String("application/octet-stream"); + } + case AttributeSuffix: + return fi.suffix(); + } + + Q_ASSERT_X(false, Q_FUNC_INFO, "This line should never be reached."); + return QString(); +} + +/*! + Returns the attributes of \a element. The caller guarantees + that \a element is an element in this node model. + */ +QVector<QXmlNodeModelIndex> +FileTree::attributes(const QXmlNodeModelIndex &element) const +{ + QVector<QXmlNodeModelIndex> result; + + /* Both elements has this attribute. */ + const QFileInfo &forElement = toFileInfo(element); + result.append(toNodeIndex(forElement, AttributeFilePath)); + result.append(toNodeIndex(forElement, AttributeFileName)); + + if (Type(element.additionalData() == File)) { + result.append(toNodeIndex(forElement, AttributeSize)); + result.append(toNodeIndex(forElement, AttributeSuffix)); + //result.append(toNodeIndex(forElement, AttributeMIMEType)); + } + else { + Q_ASSERT(element.additionalData() == Directory); + } + + return result; +} + diff --git a/examples/xmlpatterns/filetree/filetree.h b/examples/xmlpatterns/filetree/filetree.h new file mode 100644 index 0000000..7c8f3ca --- /dev/null +++ b/examples/xmlpatterns/filetree/filetree.h @@ -0,0 +1,103 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtCore/QFileInfo> +#include <QtCore/QDir> +#include <QtCore/QVector> +#include <QtXmlPatterns/QSimpleXmlNodeModel> + +class FileTree : public QSimpleXmlNodeModel +{ + public: + FileTree(const QXmlNamePool &namePool); + + QXmlNodeModelIndex nodeFor(const QString &fileName) const; + + //! [0] + virtual QXmlNodeModelIndex::DocumentOrder compareOrder(const QXmlNodeModelIndex&, const QXmlNodeModelIndex&) const; + virtual QXmlName name(const QXmlNodeModelIndex &node) const; + virtual QUrl documentUri(const QXmlNodeModelIndex &node) const; + virtual QXmlNodeModelIndex::NodeKind kind(const QXmlNodeModelIndex &node) const; + virtual QXmlNodeModelIndex root(const QXmlNodeModelIndex &node) const; + virtual QVariant typedValue(const QXmlNodeModelIndex &node) const; + //! [0] + protected: + //! [1] + virtual QVector<QXmlNodeModelIndex> attributes(const QXmlNodeModelIndex &element) const; + virtual QXmlNodeModelIndex nextFromSimpleAxis(SimpleAxis, const QXmlNodeModelIndex&) const; + //! [1] + + private: + //! [4] + enum Type { + File, + Directory, + AttributeFileName, + AttributeFilePath, + AttributeSize, + AttributeMIMEType, + AttributeSuffix + }; + //! [4] + + inline QXmlNodeModelIndex nextSibling(const QXmlNodeModelIndex &nodeIndex, + const QFileInfo &from, + qint8 offset) const; + inline const QFileInfo &toFileInfo(const QXmlNodeModelIndex &index) const; + inline QXmlNodeModelIndex toNodeIndex(const QFileInfo &index, + Type attributeName) const; + inline QXmlNodeModelIndex toNodeIndex(const QFileInfo &index) const; + + /* + One possible improvement is to use a hash, and use the &*&value() + trick to get a pointer, which would be stored in data() instead + of the index. + */ + //! [2] + mutable QVector<QFileInfo> m_fileInfos; + const QDir::Filters m_filterAllowAll; + const QDir::SortFlags m_sortFlags; + QVector<QXmlName> m_names; + //! [2] +}; + + //! [3] + //! [3] diff --git a/examples/xmlpatterns/filetree/filetree.pro b/examples/xmlpatterns/filetree/filetree.pro new file mode 100644 index 0000000..e30f2cf --- /dev/null +++ b/examples/xmlpatterns/filetree/filetree.pro @@ -0,0 +1,15 @@ +SOURCES += main.cpp filetree.cpp mainwindow.cpp ../shared/xmlsyntaxhighlighter.cpp +HEADERS += filetree.h mainwindow.h ../shared/xmlsyntaxhighlighter.h +FORMS += forms/mainwindow.ui +QT += xmlpatterns +CONFIG -= app_bundle +RESOURCES += queries.qrc +INCLUDEPATH += ../shared/ + +# install +target.path = $$[QT_INSTALL_EXAMPLES]/xmlpatterns/filetree +sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS *.pro *.xq *.html +sources.path = $$[QT_INSTALL_EXAMPLES]/xmlpatterns/filetree +INSTALLS += target sources + +include($$QT_SOURCE_TREE/examples/examplebase.pri) diff --git a/examples/xmlpatterns/filetree/forms/mainwindow.ui b/examples/xmlpatterns/filetree/forms/mainwindow.ui new file mode 100644 index 0000000..993050f --- /dev/null +++ b/examples/xmlpatterns/filetree/forms/mainwindow.ui @@ -0,0 +1,200 @@ +<ui version="4.0" > + <class>MainWindow</class> + <widget class="QMainWindow" name="MainWindow" > + <property name="geometry" > + <rect> + <x>0</x> + <y>0</y> + <width>910</width> + <height>676</height> + </rect> + </property> + <property name="windowTitle" > + <string>File Tree</string> + </property> + <widget class="QWidget" name="centralwidget" > + <property name="geometry" > + <rect> + <x>0</x> + <y>29</y> + <width>910</width> + <height>625</height> + </rect> + </property> + <layout class="QVBoxLayout" name="verticalLayout_3" > + <item> + <widget class="QLabel" name="label" > + <property name="sizePolicy" > + <sizepolicy vsizetype="Fixed" hsizetype="Preferred" > + <horstretch>0</horstretch> + <verstretch>0</verstretch> + </sizepolicy> + </property> + <property name="font" > + <font> + <italic>true</italic> + </font> + </property> + <property name="text" > + <string></string> + </property> + </widget> + </item> + <item> + <widget class="QSplitter" name="splitter_2" > + <property name="orientation" > + <enum>Qt::Horizontal</enum> + </property> + <widget class="QWidget" name="" > + <layout class="QVBoxLayout" name="verticalLayout_2" > + <item> + <widget class="QLabel" name="treeInfo" > + <property name="sizePolicy" > + <sizepolicy vsizetype="Fixed" hsizetype="Preferred" > + <horstretch>0</horstretch> + <verstretch>0</verstretch> + </sizepolicy> + </property> + <property name="text" > + <string>TextLabel</string> + </property> + </widget> + </item> + <item> + <widget class="QTextEdit" name="fileTree" > + <property name="sizePolicy" > + <sizepolicy vsizetype="Minimum" hsizetype="Expanding" > + <horstretch>0</horstretch> + <verstretch>0</verstretch> + </sizepolicy> + </property> + <property name="readOnly" > + <bool>true</bool> + </property> + <property name="html" > + <string><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN" "http://www.w3.org/TR/REC-html40/strict.dtd"> +<html><head><meta name="qrichtext" content="1" /><style type="text/css"> +p, li { white-space: pre-wrap; } +</style></head><body style=" font-family:'Sans Serif'; font-size:9pt; font-weight:400; font-style:normal;"> +<p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"></p></body></html></string> + </property> + <property name="acceptRichText" > + <bool>false</bool> + </property> + </widget> + </item> + </layout> + </widget> + <widget class="QWidget" name="" > + <layout class="QVBoxLayout" name="verticalLayout" > + <item> + <widget class="QComboBox" name="queryBox" /> + </item> + <item> + <widget class="QSplitter" name="splitter" > + <property name="orientation" > + <enum>Qt::Vertical</enum> + </property> + <widget class="QTextEdit" name="queryEdit" > + <property name="readOnly" > + <bool>true</bool> + </property> + <property name="html" > + <string><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN" "http://www.w3.org/TR/REC-html40/strict.dtd"> +<html><head><meta name="qrichtext" content="1" /><style type="text/css"> +p, li { white-space: pre-wrap; } +</style></head><body style=" font-family:'Sans Serif'; font-size:9pt; font-weight:400; font-style:normal;"> +<p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"></p></body></html></string> + </property> + <property name="acceptRichText" > + <bool>false</bool> + </property> + </widget> + <widget class="QTextEdit" name="output" > + <property name="sizePolicy" > + <sizepolicy vsizetype="Minimum" hsizetype="Expanding" > + <horstretch>0</horstretch> + <verstretch>0</verstretch> + </sizepolicy> + </property> + <property name="readOnly" > + <bool>true</bool> + </property> + <property name="html" > + <string><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN" "http://www.w3.org/TR/REC-html40/strict.dtd"> +<html><head><meta name="qrichtext" content="1" /><style type="text/css"> +p, li { white-space: pre-wrap; } +</style></head><body style=" font-family:'Sans Serif'; font-size:9pt; font-weight:400; font-style:normal;"> +<p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"></p></body></html></string> + </property> + <property name="acceptRichText" > + <bool>false</bool> + </property> + </widget> + </widget> + </item> + </layout> + </widget> + </widget> + </item> + </layout> + <zorder>label</zorder> + <zorder>splitter_2</zorder> + <zorder>queryBox</zorder> + <zorder>treeInfo</zorder> + <zorder>splitter</zorder> + </widget> + <widget class="QMenuBar" name="menubar" > + <property name="geometry" > + <rect> + <x>0</x> + <y>0</y> + <width>910</width> + <height>29</height> + </rect> + </property> + <widget class="QMenu" name="menuFile" > + <property name="title" > + <string>&File</string> + </property> + <addaction name="actionOpenDirectory" /> + </widget> + <widget class="QMenu" name="menu_Help" > + <property name="title" > + <string>&Help</string> + </property> + <addaction name="actionAbout" /> + </widget> + <addaction name="menuFile" /> + <addaction name="menu_Help" /> + </widget> + <widget class="QStatusBar" name="statusbar" > + <property name="geometry" > + <rect> + <x>0</x> + <y>654</y> + <width>910</width> + <height>22</height> + </rect> + </property> + </widget> + <action name="actionOpenDirectory" > + <property name="text" > + <string>Open Directory...</string> + </property> + <property name="shortcut" > + <string>Ctrl+O</string> + </property> + </action> + <action name="actionAbout" > + <property name="text" > + <string>&About</string> + </property> + <property name="shortcut" > + <string>Ctrl+A</string> + </property> + </action> + </widget> + <resources/> + <connections/> +</ui> diff --git a/examples/xmlpatterns/filetree/main.cpp b/examples/xmlpatterns/filetree/main.cpp new file mode 100644 index 0000000..e407a45 --- /dev/null +++ b/examples/xmlpatterns/filetree/main.cpp @@ -0,0 +1,54 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtGui/QApplication> + +#include "mainwindow.h" + +int main(int argc, char **argv) +{ + Q_INIT_RESOURCE(queries); + QApplication app(argc, argv); + MainWindow mainWindow; + + mainWindow.show(); + return app.exec(); +} diff --git a/examples/xmlpatterns/filetree/mainwindow.cpp b/examples/xmlpatterns/filetree/mainwindow.cpp new file mode 100644 index 0000000..341128a --- /dev/null +++ b/examples/xmlpatterns/filetree/mainwindow.cpp @@ -0,0 +1,166 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtGui> +#include <QLibraryInfo> +#include <QtXmlPatterns> + +#include "mainwindow.h" +#include "xmlsyntaxhighlighter.h" + +//! [0] +MainWindow::MainWindow() : m_fileTree(m_namePool) +{ + setupUi(this); + + new XmlSyntaxHighlighter(fileTree->document()); + + // Set up the font. + { + QFont font("Courier",10); + font.setFixedPitch(true); + + fileTree->setFont(font); + queryEdit->setFont(font); + output->setFont(font); + } + + const QString dir(QLibraryInfo::location(QLibraryInfo::ExamplesPath) + "/xmlpatterns/filetree"); + qDebug() << dir; + + if (QDir(dir).exists()) + loadDirectory(dir); + else + fileTree->setPlainText(tr("Use the Open menu entry to select a directory.")); + + const QStringList queries(QDir(":/queries/", "*.xq").entryList()); + int len = queries.count(); + + for (int i = 0; i < len; ++i) + queryBox->addItem(queries.at(i)); + +} +//! [0] + +//! [2] +void MainWindow::on_queryBox_currentIndexChanged() +{ + QFile queryFile(":/queries/" + queryBox->currentText()); + queryFile.open(QIODevice::ReadOnly); + + queryEdit->setPlainText(QString::fromLatin1(queryFile.readAll())); + evaluateResult(); +} +//! [2] + +//! [3] +void MainWindow::evaluateResult() +{ + if (queryBox->currentText().isEmpty()) + return; + + QXmlQuery query(m_namePool); + query.bindVariable("fileTree", m_fileNode); + query.setQuery(QUrl("qrc:/queries/" + queryBox->currentText())); + + QByteArray formatterOutput; + QBuffer buffer(&formatterOutput); + buffer.open(QIODevice::WriteOnly); + + QXmlFormatter formatter(query, &buffer); + query.evaluateTo(&formatter); + + output->setText(QString::fromLatin1(formatterOutput.constData())); +} +//! [3] + +//! [1] +void MainWindow::on_actionOpenDirectory_triggered() +{ + const QString directoryName = QFileDialog::getExistingDirectory(this); + if (!directoryName.isEmpty()) + loadDirectory(directoryName); +} +//! [1] + +//! [4] +//! [5] +void MainWindow::loadDirectory(const QString &directory) +{ + Q_ASSERT(QDir(directory).exists()); + + m_fileNode = m_fileTree.nodeFor(directory); +//! [5] + + QXmlQuery query(m_namePool); + query.bindVariable("fileTree", m_fileNode); + query.setQuery(QUrl("qrc:/queries/wholeTree.xq")); + + QByteArray output; + QBuffer buffer(&output); + buffer.open(QIODevice::WriteOnly); + + QXmlFormatter formatter(query, &buffer); + query.evaluateTo(&formatter); + + treeInfo->setText((QString(tr("Model of %1 output as XML.")).arg(directory))); + fileTree->setText(QString::fromLatin1(output.constData())); + evaluateResult(); +//! [6] +} +//! [6] +//! [4] + +void MainWindow::on_actionAbout_triggered() +{ + QMessageBox::about(this, tr("About File Tree"), + tr("<p>Select <b>File->Open Directory</b> and " + "choose a directory. The directory is then " + "loaded into the model, and the model is " + "displayed on the left as XML.</p>" + + "<p>From the query menu on the right, select " + "a query. The query is displayed and then run " + "on the model. The results are displayed below " + "the query.</p>")); +} + + diff --git a/examples/xmlpatterns/filetree/mainwindow.h b/examples/xmlpatterns/filetree/mainwindow.h new file mode 100644 index 0000000..6651c80 --- /dev/null +++ b/examples/xmlpatterns/filetree/mainwindow.h @@ -0,0 +1,73 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef MAINWINDOW_H +#define MAINWINDOW_H + +#include <QFile> +#include <QMainWindow> +#include <QXmlNamePool> +//! [0] +#include "filetree.h" +#include "ui_mainwindow.h" + +class MainWindow : public QMainWindow, private Ui_MainWindow +{ + Q_OBJECT + + public: + MainWindow(); + + private slots: + void on_actionOpenDirectory_triggered(); + void on_actionAbout_triggered(); + void on_queryBox_currentIndexChanged(); + + private: + void loadDirectory(const QString &directory); + void evaluateResult(); + + const QXmlNamePool m_namePool; + const FileTree m_fileTree; + QXmlNodeModelIndex m_fileNode; +}; +//! [0] +#endif diff --git a/examples/xmlpatterns/filetree/queries.qrc b/examples/xmlpatterns/filetree/queries.qrc new file mode 100644 index 0000000..2e48601 --- /dev/null +++ b/examples/xmlpatterns/filetree/queries.qrc @@ -0,0 +1,7 @@ +<!DOCTYPE RCC> + <RCC version="1.0"> +<qresource> + <file>queries/listCPPFiles.xq</file> + <file>queries/wholeTree.xq</file> +</qresource> +</RCC> diff --git a/examples/xmlpatterns/filetree/queries/listCPPFiles.xq b/examples/xmlpatterns/filetree/queries/listCPPFiles.xq new file mode 100644 index 0000000..e311d27 --- /dev/null +++ b/examples/xmlpatterns/filetree/queries/listCPPFiles.xq @@ -0,0 +1,19 @@ +declare variable $where as xs:string := string($fileTree/@filePath); +<html> + <head> + <title>All cpp files in: {$where}</title> + </head> + <body> + <p> + cpp-files found in {$where} sorted by size: + </p> + <ul> { + for $file in $fileTree//file[@suffix = "cpp"] + order by xs:integer($file/@size) + return + <li> + {string($file/@fileName)}, size: {string($file/@size)} + </li> + } </ul> + </body> +</html> diff --git a/examples/xmlpatterns/filetree/queries/wholeTree.xq b/examples/xmlpatterns/filetree/queries/wholeTree.xq new file mode 100644 index 0000000..ec2977b --- /dev/null +++ b/examples/xmlpatterns/filetree/queries/wholeTree.xq @@ -0,0 +1 @@ +$fileTree |