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author | tpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2010-01-20 01:29:50 +0000 |
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committer | tpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2010-01-20 01:29:50 +0000 |
commit | 8362bf63dea22bbf6736609b0f49c152f975eb63 (patch) | |
tree | 0eea3928e39e50fae91d4e68b21b1e6cbae25604 /kexi/plugins/macros/lib/macroitem.cpp | |
download | koffice-8362bf63dea22bbf6736609b0f49c152f975eb63.tar.gz koffice-8362bf63dea22bbf6736609b0f49c152f975eb63.zip |
Added old abandoned KDE3 version of koffice
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/koffice@1077364 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'kexi/plugins/macros/lib/macroitem.cpp')
-rw-r--r-- | kexi/plugins/macros/lib/macroitem.cpp | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/kexi/plugins/macros/lib/macroitem.cpp b/kexi/plugins/macros/lib/macroitem.cpp new file mode 100644 index 00000000..4027f2cc --- /dev/null +++ b/kexi/plugins/macros/lib/macroitem.cpp @@ -0,0 +1,217 @@ +/*************************************************************************** + * This file is part of the KDE project + * copyright (C) 2006 by Sebastian Sauer (mail@dipe.org) + * copyright (C) 2006 by Sascha Kupper (kusato@kfnv.de) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * You should have received a copy of the GNU Library General Public License + * along with this program; see the file COPYING. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + ***************************************************************************/ + +#include "macroitem.h" + +#include <kdebug.h> + +using namespace KoMacro; + +namespace KoMacro { + + /** + * @internal d-pointer class to be more flexible on future extension of the + * functionality without to much risk to break the binary compatibility. + */ + class MacroItem::Private + { + public: + /** + * The @a Action this @a MacroItem has. + */ + KSharedPtr<Action> action; + + /** + * The comment this @a MacroItem has. + */ + QString comment; + + /** + * The @a QMap of @a Variable this @a MacroItem has. + */ + Variable::Map variables; + + /** + * define a @a QVariant -cast as inline for better performance + * @return the casted @a QVariant by passing a @param variant and its + * expected QVariant::Type @param type. + */ + inline const QVariant cast(const QVariant& variant, QVariant::Type type) const + { + // If ok is true the QVariant v holds our new and to the correct type + // casted variant value. If ok is false the as argument passed variant + // QVariant contains the (maybe uncasted string to prevent data-loosing + // what would happen if we e.g. would expect an integer and cast it to + // an incompatible non-int string) value. + bool ok = false; + QVariant v; + + // Try to cast the passed variant to the expected variant-type. + switch(type) { + case QVariant::Bool: { + const QString s = variant.toString(); + ok = (s == "true" || s == "false" || s == "0" || s == "1" || s == "-1"); + v = QVariant( variant.toBool(), 0 ); + } break; + case QVariant::Int: { + v = variant.toInt(&ok); + // Check if the cast is correct. + Q_ASSERT(!ok || v.toString() == variant.toString()); + } break; + case QVariant::UInt: { + v = variant.toUInt(&ok); + Q_ASSERT(!ok || v.toString() == variant.toString()); + } break; + case QVariant::LongLong: { + v = variant.toLongLong(&ok); + Q_ASSERT(!ok || v.toString() == variant.toString()); + } break; + case QVariant::ULongLong: { + v = variant.toULongLong(&ok); + Q_ASSERT(!ok || v.toString() == variant.toString()); + } break; + case QVariant::Double: { + v = variant.toDouble(&ok); + Q_ASSERT(!ok || v.toString() == variant.toString()); + } break; + case QVariant::String: { + ok = true; // cast will always be successfully + v = variant.toString(); + } break; + default: { + // If we got another type we try to let Qt handle it... + ok = v.cast(type); + kdWarning()<<"MacroItem::Private::cast() Unhandled ok="<<ok<<" type="<<type<<" value="<<v<<endl; + } break; + } + + return ok ? v : variant; + } + + }; + +} + +MacroItem::MacroItem() + : KShared() + , d( new Private() ) +{ +} + +MacroItem::~MacroItem() +{ + delete d; +} + +QString MacroItem::comment() const +{ + return d->comment; +} + +void MacroItem::setComment(const QString& comment) +{ + d->comment = comment; +} + +KSharedPtr<Action> MacroItem::action() const +{ + return d->action; +} + +void MacroItem::setAction(KSharedPtr<Action> action) +{ + d->action = action; +} + +QVariant MacroItem::variant(const QString& name, bool checkaction) const +{ + KSharedPtr<Variable> v = variable(name, checkaction); + return v.data() ? v->variant() : QVariant(); +} + +KSharedPtr<Variable> MacroItem::variable(const QString& name, bool checkaction) const +{ + if(d->variables.contains(name)) + return d->variables[name]; + if(checkaction && d->action.data()) + return d->action->variable(name); + return KSharedPtr<Variable>(0); +} + +Variable::Map MacroItem::variables() const +{ + return d->variables; +} + +bool MacroItem::setVariant(const QString& name, const QVariant& variant) +{ + // Let's look if there is an action defined for the variable. If that's + // the case, we try to use that action to preserve the type of the variant. + KSharedPtr<Variable> actionvariable = d->action ? d->action->variable(name) : KSharedPtr<Variable>(0); + + // If we know the expected type, we try to cast the variant to the expected + // type else the variant stays untouched (so, it will stay a string). + const QVariant v = actionvariable.data() + ? d->cast(variant, actionvariable->variant().type()) // try to cast the variant + : variant; // don't cast anything, just leave the string-type... + + // Now let's try to determinate the variable which should be changed. + KSharedPtr<Variable> variable = d->variables[name]; + if(! variable.data()) { + // if there exists no such variable yet, create one. + kdDebug() << "MacroItem::setVariable() Creating new variable name=" << name << endl; + + variable = KSharedPtr<Variable>( new Variable() ); + variable->setName(name); + d->variables.replace(name, variable); + } + + // Remember the previous value for the case we like to restore it. + const QVariant oldvar = variable->variant(); + + // Set the variable. + variable->setVariant(v); + + // Now we inform the referenced action that a variable changed. If + // notifyUpdated() returns false, the action rejects the new variable + // and we need to restore the previous value. + if(d->action && ! d->action->notifyUpdated(this, name)) { + kdWarning() << "MacroItem::setVariable() Notify failed for variable name=" << name << endl; + variable->setVariant(oldvar); + return false; // the action rejected the changed variable whyever... + } + + // Job done successfully. The variable is changed to the new value. + return true; +} + +KSharedPtr<Variable> MacroItem::addVariable(const QString& name, const QVariant& variant) +{ + Q_ASSERT(! d->variables.contains(name) ); + // Create a new Variable. + KSharedPtr<Variable> variable = KSharedPtr<Variable>( new Variable() ); + variable->setName(name); + + // Put it into the Variable-map. + d->variables.replace(name, variable); + + // Set the variant of the Variable. + this->setVariant(name, variant); + return variable; +} |