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Improved the DiagramContext class.

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git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@1890 bfdf4180-ca20-0410-9c96-a3a8aa849046
This commit is contained in:
xavier
2012-07-01 21:54:05 +00:00
parent 47ea8fef37
commit dd93f59b26
4 changed files with 87 additions and 0 deletions
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64
sources/diagramcontext.cpp
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@@ -17,6 +17,7 @@
*/
#include "diagramcontext.h"
#include <QRegExp>
#include "qet.h"
/**
@return a list containing all the keys in the context object.
@@ -72,6 +73,13 @@ void DiagramContext::clear() {
content_.clear();
}
/**
@return the number of key/value pairs stored in this object.
*/
int DiagramContext::count() {
return(content_.count());
}
bool DiagramContext::operator==(const DiagramContext &dc) const {
return(content_ == dc.content_);
}
@@ -80,6 +88,62 @@ bool DiagramContext::operator!=(const DiagramContext &dc) const {
return(!(*this == dc));
}
/**
Export this context properties under the \a e XML element, using tags
named \a tag_name (defaults to "property").
*/
void DiagramContext::toXml(QDomElement &e, const QString &tag_name) const {
foreach (QString key, keys()) {
QDomElement property = e.ownerDocument().createElement(tag_name);
property.setAttribute("name", key);
QDomText value = e.ownerDocument().createTextNode(content_[key].toString());
property.appendChild(value);
e.appendChild(property);
}
}
/**
Read this context properties from the \a e XML element, looking for tags named
\a tag_name (defaults to "property").
*/
void DiagramContext::fromXml(const QDomElement &e, const QString &tag_name) {
foreach (QDomElement property, QET::findInDomElement(e, tag_name)) {
if (!property.hasAttribute("name")) continue;
addValue(property.attribute("name"), QVariant(property.text()));
}
}
/**
Export this context properties to \a settings by creating an array named \a
array_name.
*/
void DiagramContext::toSettings(QSettings &settings, const QString &array_name) const {
settings.beginWriteArray(array_name);
int i = 0;
foreach (QString key, content_.keys()) {
settings.setArrayIndex(i);
settings.setValue("name", key);
settings.setValue("value", content_[key].toString());
++ i;
}
settings.endArray();
}
/**
Read this context properties from \a settings by running through the array
named \a array_name.
*/
void DiagramContext::fromSettings(QSettings &settings, const QString &array_name) {
int size = settings.beginReadArray(array_name);
for (int i = 0 ; i < size; ++ i) {
settings.setArrayIndex(i);
QString key = settings.value("name").toString();
if (key.isEmpty()) continue;
addValue(key, settings.value("value").toString());
}
settings.endArray();
}
/**
@return the regular expression used to check whether a given key is acceptable.
@see keyIsAcceptable()