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=begin
**
** Copyright (C) 2004-2005 Trolltech AS. All rights reserved.
**
** This file is part of the example classes of the Qt Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 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 GNU
** General Public Licensing requirements will be met:
** http://www.trolltech.com/products/qt/opensource.html
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://www.trolltech.com/products/qt/licensing.html or contact the
** sales department at sales@trolltech.com.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** Translated to QtRuby by Richard Dale
=end
class XbelTree < Qt::TreeWidget
slots 'updateDomElement(QTreeWidgetItem *, int)'
IndentSize = 4
def initialize(parent = nil)
super(parent)
labels = []
labels << tr("Title") << tr("Location")
header().resizeMode = Qt::HeaderView::Stretch
setHeaderLabels(labels)
@folderIcon = Qt::Icon.new
@folderIcon.addPixmap(style().standardPixmap(Qt::Style::SP_DirClosedIcon),
Qt::Icon::Normal, Qt::Icon::Off)
@folderIcon.addPixmap(style().standardPixmap(Qt::Style::SP_DirOpenIcon),
Qt::Icon::Normal, Qt::Icon::On)
@bookmarkIcon = Qt::Icon.new
@bookmarkIcon.addPixmap(style().standardPixmap(Qt::Style::SP_FileIcon))
@domElementForItem = {}
@domDocument = Qt::DomDocument.new
end
def read(device)
errorStr = ""
errorLine = Qt::Integer.new
errorColumn = Qt::Integer.new
if !@domDocument.setContent(device, true, errorStr, errorLine,
errorColumn)
Qt::MessageBox.information(window(), tr("DOM Bookmarks"),
tr("Parse error at line %d, column %d:\n%s" %
[errorLine, errorColumn, errorStr]))
return false
end
root = @domDocument.documentElement()
if root.tagName() != "xbel"
Qt::MessageBox.information(window(), tr("DOM Bookmarks"),
tr("The file is not an XBEL file."))
return false
elsif root.hasAttribute("version") &&
root.attribute("version") != "1.0"
Qt::MessageBox.information(window(), tr("DOM Bookmarks"),
tr("The file is not an XBEL version 1.0 " \
"file."))
return false
end
clear()
disconnect(self, SIGNAL('itemChanged(QTreeWidgetItem *, int)'),
self, SLOT('updateDomElement(QTreeWidgetItem *, int)'))
child = root.firstChildElement("folder")
while !child.null?
parseFolderElement(child)
child = child.nextSiblingElement("folder")
end
connect(self, SIGNAL('itemChanged(QTreeWidgetItem *, int)'),
self, SLOT('updateDomElement(QTreeWidgetItem *, int)'))
return true
end
def write(device)
outf = Qt::TextStream.new(device)
@domDocument.save(outf, IndentSize)
return true
end
def updateDomElement(item, column)
element = @domElementForItem[item]
if !element.nil?
if column == 0
oldTitleElement = element.firstChildElement("title")
newTitleElement = @domDocument.createElement("title")
newTitleText = @domDocument.createTextNode(item.text(0))
newTitleElement.appendChild(newTitleText)
element.replaceChild(newTitleElement, oldTitleElement)
else
if element.tagName == "bookmark"
element.setAttribute("href", item.text(1))
end
end
end
end
def parseFolderElement(element, parentItem = nil)
item = createItem(element, parentItem)
title = element.firstChildElement("title").text()
if title.nil?
title = Qt::Object.tr("Folder")
end
item.flags = item.flags | Qt::ItemIsEditable.to_i
item.setIcon(0, @folderIcon)
item.setText(0, title)
folded = (element.attribute("folded") != "no")
setItemExpanded(item, !folded)
child = element.firstChildElement()
while !child.null?
if child.tagName() == "folder"
parseFolderElement(child, item)
elsif child.tagName() == "bookmark"
childItem = createItem(child, item)
title = child.firstChildElement("title").text()
if title.empty?
title = Qt::Object.tr("Folder")
end
childItem.flags = item.flags | Qt::ItemIsEditable.to_i
childItem.setIcon(0, @bookmarkIcon)
childItem.setText(0, title)
childItem.setText(1, child.attribute("href"))
elsif child.tagName() == "separator"
childItem = createItem(child, item)
childItem.flags = item.flags & ~(Qt::ItemIsSelectable.to_i | Qt::ItemIsEditable.to_i)
# childItem.setText(0, Qt::String(30, 0xB7))
childItem.setText(0, "..............................")
end
child = child.nextSiblingElement()
end
end
def createItem(element, parentItem)
if !parentItem.nil?
item = Qt::TreeWidgetItem.new(parentItem, Qt::TreeWidgetItem::Type)
else
item = Qt::TreeWidgetItem.new(self)
end
@domElementForItem[item] = element
return item
end
end
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