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62 lines
1.7 KiB
62 lines
1.7 KiB
/*************************************************************************** |
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* Copyright (C) 2018 Intevation GmbH <intevation@intevation.de> * |
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* * |
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* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
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* the Free Software Foundation; either version 2 of the License, or * |
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* (at your option) any later version. * |
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***************************************************************************/ |
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/* Builtin functions for Okular's PDF JavaScript interpretation. */ |
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/** AFSimple_Calculate |
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* |
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* cFunction is a string that identifies the operation. |
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* It is one of AVG, SUM, PRD, MIN, MAX |
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* cFields is an array of the names of the fields used to calculate. |
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*/ |
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function AFSimple_Calculate( cFunction, cFields ) |
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{ |
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var ret = 0; |
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if ( cFunction === "PRD" ) |
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{ |
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ret = 1; |
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} |
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for (i = 0; i < cFields.length; i++) |
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{ |
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var field = Doc.getField( cFields[i] ); |
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var val = Number( field.value ); |
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if ( cFunction === "SUM" || cFunction === "AVG" ) |
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{ |
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ret += val; |
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} |
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else if ( cFunction === "PRD" ) |
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{ |
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ret *= val; |
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} |
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else if ( cFunction === "MIN" ) |
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{ |
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if ( i === 0 || val < ret ) |
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{ |
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ret = val; |
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} |
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} |
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else if ( cFunction === "MAX" ) |
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{ |
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if ( i === 0 || val > ret ) |
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{ |
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ret = val; |
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} |
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} |
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} |
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if ( cFunction === "AVG" ) |
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{ |
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ret /= cFields.length; |
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} |
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event.value = ret; |
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}
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