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Wednesday the 23rd of May 2012 @ 09:00am

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LibN2L N2L Home Older News Downloads Documentation (n2l5) Class Hierarchy Compound List File List n2l:: Members Functions Whole n2l:: Ref Documentation (libN2L-4) Class Hierarchy Compound List File List n2l:: Members Functions Whole n2l:: Ref Bugtracker Project Page Report a Bug Bug List Related Things Life 2130 Devel Game Journal

LibN2L-4 Library Code Reference Classes Compounds Files Members Method Index Full Reference cGuiACIfProp.cpp Go to the documentation of this file. /************************************************************************ Nova-2 Library (libN2L, or simply n2l) Game development C++ Library Copyright (C) 2003 Aaron Cameron This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA A copy of the GNU Lesser General Public License has been provided with this library in the file 'COPYING'. Contact information for the author of this library has been provided with this library in the file 'AUTHOR'. ************************************************************************/ #include "gui/cGuiACIfProp.h" #include "gui/cGuiSEFactory.h" /******************************************************************************/ namespace n2l { /**************************************************************************/ cGuiACIfProp::cGuiACIfProp() { init(); } /**************************************************************************/ cGuiACIfProp::cGuiACIfProp( const cDynVar &iDef ) { init(); load( iDef ); } /**************************************************************************/ cGuiACIfProp::~cGuiACIfProp() { } /**************************************************************************/ void cGuiACIfProp::load( const cDynVar &iDef ) { cGuiACInt::load( iDef ); { const tString Op = strToLower(iDef["op"]); if (Op == "<") mOp = Op_LessThan; else if (Op == ">") mOp = Op_GreaterThan; else if (Op == "==") mOp = Op_Equals; else if (Op == "!=") mOp = Op_Not; else mOp = Op_Equals; } mElement = iDef.keyValueOr( "element", mElement ); mKey = iDef.keyValueOr( "prop", mKey ); mInnerKey = iDef.keyValueOr( "innerProp", mInnerKey ); mValue = iDef.keyValueOr( "value", mValue ); mAction = cGuiACFactory::current().load( iDef["action"] ); if (iDef.keyExists("elseAction")) mElseAction = cGuiACFactory::current().load( iDef["elseAction"] ); } /**************************************************************************/ const tBool cGuiACIfProp::preserveAction() const { return mAction.isSet() || mElseAction.isSet(); } /**************************************************************************/ void cGuiACIfProp::execute( cGuiElement *const ioElement, const tGuiActionType iType, const cDynVar &iData ) { const cGuiElement *target; if (!mElement.empty()) { cGuiElement *tmpLast = ioElement; cGuiElement *tmp = ioElement; while (tmp->canvas()) { tmp = tmp->canvas(); if (tmp==tmpLast) throw cBadDataUseException( "cGuiACIfProp::execute", "Canvas loop." ); tmpLast = tmp; } cGuiCanvas *canvas = dynamic_cast<cGuiCanvas*>(tmp); if (!canvas) throw cBadDataUseException("cGuiACIfProp::execute", "Wanted to check a property on \"" + mElement + "\" but our element has access to no canvas to search" ); try { target = (canvas->mustGet(mElement)).dumbPtr(); } catch ( const cException &iE ) { throw cBadDataUseException( "cGuiACIfProp::execute", "Wanted to check a property on \"" + mElement + "\" but no such element existed to check. Got " "exception while searching: " + tString(iE) ); } } else target = ioElement; tBool ok = true; const cDynVar Val = target->prop( mKey, mInnerKey ); switch (mOp) { case Op_Equals: if (Val != mValue) ok = false; break; case Op_GreaterThan: if (Val <= mValue) ok = false; break; case Op_LessThan: if (Val >= mValue) ok = false; break; case Op_Not: if (Val == mValue) ok = false; break; default: throw cOutOfBoundsException( "cGuiACIfProp::execute", "No such operation exists." ); } if (ok) { if (!mAction.isSet()) return; mAction->execute( ioElement, iType, iData ); if (!mAction->preserveAction()) mAction = 0; } else { if (!mElseAction.isSet()) return; mElseAction->execute( ioElement, iType, iData ); if (!mElseAction->preserveAction()) mElseAction = 0; } } /**************************************************************************/ const cAutoPtr<cGuiACInt> cGuiACIfProp::clone() const { cAutoPtr<cGuiACIfProp> newElement( new cGuiACIfProp ); cloneInto( newElement ); return newElement; } /**************************************************************************/ void cGuiACIfProp::cloneInto( const cAutoPtr<cGuiACIfProp> &ioElement ) const { cGuiACInt::cloneInto( ioElement ); ioElement->mElement = mElement; ioElement->mOp = mOp; ioElement->mKey = mKey; ioElement->mInnerKey = mInnerKey; ioElement->mValue = mValue; if (mAction.isSet()) ioElement->mAction = mAction->clone(); else ioElement->mAction = 0; if (mElseAction.isSet()) ioElement->mElseAction = mElseAction->clone(); else ioElement->mElseAction = 0; } /**************************************************************************/ void cGuiACIfProp::init() { mOp = Op_Equals; mKey.clear(); mInnerKey.clear(); mValue = true; lockPreserveAction( true ); } }

©2012 Aaron Cameron