/* * Copyright 2011 Aaron Seigo * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include #include #include #include "simpleEngine.h" /* This DataEngine provides a static set of data that is created on engine creation. This is a common pattern for DataEngines that relay information such as hardware events and shows the most basic form of a DataEngine */ SimpleEngine::SimpleEngine(QObject *parent, const QVariantList &args) : Plasma::DataEngine(parent, args) { // we've passed the constructor's args to our parent class // we're done for now! Call init() init(); } void SimpleEngine::init() { // So now we will set up some sources. // Each DataEngine will, generally, be loaded once. Each DataEngine // can provide multiple sets of data keyed by a string, called "Sources". // In this simplest of cases, we just create some sources arbitrarily. // This is the simplest form, with source name and one bit of data. // Note how the source name is not translated! They can be marked with // I18N_NOOP, however, if they should be translatable in a visualization. setData("Simple Source", i18n("Very simple data")); // a source can have multiple entries, differentiated by key names, // which are also not translated: setData("Multiple Source", "First", i18n("First")); setData("Multiple Source", "Second", i18n("Second")); // We can also set the data up first and apply it all at once // Note how data types other than strings can be used as well; anything // that works with QVariant, in fact. Plasma::DataEngine::Data data; data.insert("Cow", "mooo"); data.insert("Black", QColor(0, 0, 0)); data.insert("Time", QTime::currentTime()); setData("Another Source", data); } // export the plugin; use the plugin name and the class name K_EXPORT_PLASMA_DATAENGINE_WITH_JSON(org.kde.examples.simpleEngine, SimpleEngine, "plasma-dataengine-example-simpleEngine.json") // include the moc file so the build system makes it for us #include "simpleEngine.moc"