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<?php |
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/** |
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* XML Theme Legend |
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* |
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* @project CWC2 |
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* @revision $Id: XMLThemeLegend.widget.php,v 1.9 2004/12/03 03:31:57 pspencer Exp $ |
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* @purpose Create legends with themes from an xml template |
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* @author DM Solutions Group (spencer@dmsolutions.ca) |
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* @copyright |
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* <b>Copyright (c) 2002, DM Solutions Group Inc.</b> |
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* Permission is hereby granted, free of charge, to any person obtaining a |
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* copy of this software and associated documentation files (the "Software"), |
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* to deal in the Software without restriction, including without limitation |
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* the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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* and/or sell copies of the Software, and to permit persons to whom the |
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* Software is furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included |
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* in all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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* DEALINGS IN THE SOFTWARE. |
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*/ |
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include_once("XMLThemeParser.php"); |
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include_once(dirname(__FILE__)."/../Widget.php"); |
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include_once(dirname(__FILE__)."/../Popup.php"); |
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|
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if (!defined("CHAMELEON_PATH")) |
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{ |
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define( "CHAMELEON_PATH", realpath(str_replace("\\","/",dirname(__FILE__))."/..") ); |
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} |
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include_once( CHAMELEON_PATH."/TemplateProcessor.php" ); |
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|
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|
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class XMLThemeLegend extends CWCWidget |
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{ |
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var $moPopup = ""; |
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var $mszContextFile= ""; |
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var $mszThemeFile= ""; |
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var $mszRendererFile = ""; |
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var $moThemeParser = ""; |
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var $moTemplateProcessor = ""; |
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var $maSelections = array(); |
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var $mszInputBase = "CWC2_CS"; |
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|
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function XMLThemeLegend() |
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{ |
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$this->mszLanguageResource = str_replace("\\","/",dirname(__FILE__))."/XMLThemeLegend.dbf"; |
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|
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// invoke constructor of parent |
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parent::CWCWidget(); |
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|
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$this->moTemplateProcessor = new TemplateProcessor(); |
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|
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// set the description for this widget |
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$this->szWidgetDescription = <<<EOT |
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The XMLThemeLegend widget provides generic legend control capabilities |
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for Chameleon applications. The widget is controlled by a template file and a theme |
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file that describe how layers in the current context should be presented to the |
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user. |
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EOT; |
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|
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$this->moPopup = new CWCPopup( $this ); |
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$this->mnPriority = PRIORITY_MEDIUM; |
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$this->mnMaturityLevel = MATURITY_BETA; |
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} |
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|
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/** |
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* per-widget initialization to initialize default values from |
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* attributes etc. |
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*/ |
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function InitDefaults() |
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{ |
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parent::InitDefaults(); |
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$oApp = GetChameleonApplication(); |
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|
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//$this->mszContextFile = $this->GetCurrentContext(); |
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//process selections from tag. |
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if (isset($this->maszContents["SELECTION"])) |
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{ |
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for($i=0; $i<count($this->maszContents["SELECTION"]); $i++) |
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{ |
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$aSel = $this->maszContents["SELECTION"][$i]; |
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$aNewSel = array(); |
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|
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$aNewSel["selection_selected"] = "1"; |
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$aNewSel["selection_name"] = $aSel["NAME"]; |
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$aNewSel["selection_contextfile"] = $aSel["CONTEXTFILE"]; |
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$aNewSel["selection_templatefile"] = $aSel["TEMPLATE"]; |
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$aNewSel["selection_rendererfile"] = $aSel["RENDERERFILE"]; |
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$aNewSel["selection_themefile"] = $aSel["THEMEFILE"]; |
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$aNewSel["selection_url"] = "javascript:ContextSelected( '".$aSel["TEMPLATE"]."', '".$aSel["CONTEXTFILE"]."')"; |
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$szFile = $aNewSel['selection_rendererfile']; |
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if (!(substr($szFile, 0, 1) == "/" || |
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substr($szFile, 0, 1) == "\\" || |
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substr($szFile, 1, 1) == ":" || |
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strcasecmp(substr($szFile, 0, 4), "http") == 0)) |
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{ |
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$szFile = realpath( $_SESSION['gszAppPath']."/".$szFile ); |
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} |
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$this->mszRendererFile = $oApp->getRemoteFile($szFile); |
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$this->mszThemeFile = $oApp->getRemoteFile($aNewSel["selection_themefile"]); |
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array_push( $this->maSelections, $aNewSel ); |
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} |
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} |
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//print_r($this->maSelections); |
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$this->moPopup->InitDefaults(); |
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|
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} |
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|
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/** |
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* GetJavascriptVariables |
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* |
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* Return JS global variables and global code. |
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*/ |
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function GetJavascriptVariables() |
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{ |
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|
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$aReturn = array(); |
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if (!is_object( $this->moThemeParser )) |
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{ |
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$aReturn["gContextSelectorManager"] = ""; |
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return $aReturn; |
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} |
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|
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$nThemes = $this->moThemeParser->GetNumberOfThemes(); |
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$szVariable = "gContextSelectorManager"; |
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$szValue = " var $szVariable = \"0\";\n"; |
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$aReturn[$szVariable] = $szValue; |
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return $aReturn; |
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} |
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|
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/** |
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* GetJavascriptOnloadFunctions() |
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*/ |
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function GetJavascriptOnLoadFunctions() |
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{ |
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$aReturn = array(); |
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|
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$szJsName = "ContextSelector_initialize"; |
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$szJs = "ContextSelector_initialize();"; |
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$aReturn[$szJsName] = $szJs; |
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return $aReturn; |
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} |
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|
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/** |
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* GetJavascriptIncludeFunctions |
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* |
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* |
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*/ |
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function GetJavascriptIncludeFunctions() |
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{ |
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$aReturn = array(); |
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$szJsIncludeName = $_SESSION['gszCoreWebPath'] ."/widgets/js/cwc_cs.js"; |
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$szInclude = "<script language=\"JavaScript\" src=\"$szJsIncludeName\" type=\"text/javascript\"></script>"; |
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$aReturn[$szJsIncludeName] = $szInclude; |
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return $aReturn; |
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} |
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|
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/** |
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* GetHTMLHiddenVariables |
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* |
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*/ |
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function GetHTMLHiddenVariables() |
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{ |
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/* -------------------------------------------------------------------- */ |
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/* CONTEXTSELECTOR is used to see if it is the first */ |
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/* time that the page loads so we don't setlayer on/off. */ |
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/* -------------------------------------------------------------------- */ |
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|
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$szVariable = "CONTEXTSELECTOR"; |
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$szValue = "<INPUT TYPE=HIDDEN NAME=$szVariable VALUE=\"1\">"; |
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$aReturn[$szVariable] = $szValue; |
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|
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$szVariable = "CONTEXT"; |
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$szValue = "<INPUT TYPE=HIDDEN NAME=$szVariable VALUE=\"\">"; |
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$aReturn[$szVariable] = $szValue; |
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|
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$szVariable = "TEMPLATE"; |
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$szValue = "<INPUT TYPE=HIDDEN NAME=$szVariable VALUE=\"\">"; |
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$aReturn[$szVariable] = $szValue; |
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$szVariable = "CONTEXTSELECTOR_CONTEXT_CHANGED"; |
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$szValue = "<INPUT TYPE=HIDDEN NAME=$szVariable VALUE=\"\">"; |
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$aReturn[$szVariable] = $szValue; |
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$szLayersOn = ""; |
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$szAllLayers = ""; |
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$oMap = $this->moMapObject->oMap; |
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$nLayers = $oMap->numlayers; |
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$szSep0 = ""; |
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$szSep1 = ""; |
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|
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for ($i=0; $i<$nLayers; $i++) |
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{ |
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$oLayer = $oMap->getLayer($i); |
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|
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//get name from wms metadata or mapfile tags |
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$szName = $oLayer->getMetadata("WMS_NAME"); |
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|
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//handle non-wms layers |
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if ($szName == "") |
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{ |
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$szName = $oLayer->name; |
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} |
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|
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|
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if (isset($this->moThemeParser->maLayers[$szName]) || |
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($this->moThemeParser->maGlobals["gThemeExtendContext"] == "true") ) |
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{ |
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if ($oLayer->status == MS_ON) |
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{ |
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$szLayersOn .= $szSep1 . $szName; |
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$szSep1 = "|"; |
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} |
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$szAllLayers .= $szSep0 . $szName; |
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$szSep0 = "|"; |
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} |
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} |
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|
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//used to contain the name of the layers set to on |
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$szVariable = "CONTEXTSELECTOR_LAYERS_ON"; |
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$szValue = "<INPUT TYPE=HIDDEN NAME=$szVariable VALUE=\"$szLayersOn\">"; |
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$aReturn[$szVariable] = $szValue; |
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|
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//used to contain the name of the layers set to on |
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$szVariable = "CONTEXTSELECTOR_ALL_LAYERS"; |
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$szValue = "<INPUT TYPE=HIDDEN NAME=$szVariable VALUE=\"$szAllLayers\">"; |
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$aReturn[$szVariable] = $szValue; |
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|
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//used to test if the template has changed |
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$szVariable = "CONTEXTSELECTOR_TEMPLATE"; |
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$szTemplate = ""; |
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if (isset($_SESSION["gszTemplate"])) |
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$szTemplate = $_SESSION["gszTemplate"]; |
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$szValue = "<INPUT TYPE=HIDDEN NAME=$szVariable VALUE=\"$szTemplate\">"; |
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$aReturn[$szVariable] = $szValue; |
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|
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|
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$aReturn[$szVariable] = $szValue; |
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return $aReturn; |
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} |
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|
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|
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/** |
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* GetJavascriptFunctions |
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* |
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*/ |
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function GetJavascriptFunctions() |
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{ |
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$aReturn = array(); |
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$oMap = $this->moMapObject->oMap; |
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|
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$aszContextLayers = array(); |
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for ($i=0; $i<$oMap->numlayers; $i++) |
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{ |
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$oLayer = $oMap->GetLayer( $i ); |
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|
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//set name based on WMS_NAME or mapfile name |
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$szName = $oLayer->getmetadata("WMS_NAME"); |
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if ($szName == "") |
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{ |
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$szName = $oLayer->name; |
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} |
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$aszContextLayers[$szName] = ($oLayer->status == MS_ON) ? true : false; |
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} |
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|
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$szInit = " gContextSelectorManager = new CWC2_CS_Manager();\n"; |
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$szInit .= " gContextSelectorManager.form = ".$this->mszHTMLForm.";\n"; |
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|
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if (is_array($this->moThemeParser->maThemes) && |
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count($this->moThemeParser->maThemes) > 0) |
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{ |
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foreach($this->moThemeParser->maThemes as $szThemeName => $aGroups) |
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{ |
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$szInit .= " oTheme = new CWC2_CS_Theme( \"".$szThemeName."\" );\n"; |
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$szInit .= " gContextSelectorManager.AddTheme( oTheme );\n"; |
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|
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$szType = $this->moThemeParser->GetThemeAttribute( $szThemeName, "theme_type" ); |
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|
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$szInit .= " oTheme.SetType( \"".$szType."\" );\n"; |
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|
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$bThemeOn = ($szType == "checkbox"); |
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foreach ($aGroups as $szGroupName => $aLayersInGroup) |
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{ |
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$szInit .= " oGroup = new CWC2_CS_Group( \"".$szGroupName."\" );\n"; |
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if ($this->moThemeParser->GetGroupAttribute( $szThemeName, $szGroupName, "group_visible" ) == "false") |
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{ |
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$szInit .= " oGroup.SetVisible( false );\n"; |
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} |
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$szInit .= " oTheme.AddGroup( oGroup );\n"; |
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$bOn = false; |
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$nGroupLayers = 0; |
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foreach( $aLayersInGroup as $szLayerName ) |
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{ |
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if (array_key_exists( $szLayerName, $aszContextLayers )) |
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{ |
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++$nGroupLayers; |
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|
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$szInit .= " oGroup.AddLayer( new CWC2_CS_Layer( \"".$szLayerName."\" ) );\n"; |
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$bOn |= $aszContextLayers[$szLayerName]; |
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} |
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} |
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|
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if ($szType == "checkbox" && $nGroupLayers > 0) |
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$bThemeOn &= $bOn; |
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else |
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$bThemeOn |= $bOn; |
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|
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if ($bOn && $nGroupLayers > 0) |
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$szInit .= " oGroup.SetStatus( true );\n"; |
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if ($nGroupLayers == 0) |
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$szInit .= " oGroup.SetVisible( false );\n"; |
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} |
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if ($bThemeOn) |
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$szInit .= " oTheme.SetStatus( true );\n"; |
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|
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} |
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} |
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|
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//process the layers in the map file and see if they are all supported |
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for ($i=0; $i<$oMap->numlayers; $i++) |
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{ |
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$oLayer = $oMap->GetLayer( $i ); |
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|
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//get name from wms metadata or mapfile tags |
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$szLayer = $oLayer->getMetaData( "WMS_NAME" ); |
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//handle non-wms layers |
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if ($szLayer == "") |
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{ |
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$szLayer = $oLayer->name; |
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} |
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|
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if (!array_key_exists( $szLayer, $this->moThemeParser->maLayers ) ) |
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{ |
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if ($this->moThemeParser->maGlobals["gThemeExtendContext"] == "true") |
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{ |
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$szInit .= " oTheme = new CWC2_CS_Theme( \"".$szLayer."\" );\n"; |
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$szInit .= " gContextSelectorManager.AddTheme( oTheme );\n"; |
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//$szInit .= " oTheme.SetType( 'checkbox' );\n"; |
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$szInit .= " oTheme.SetType( \"".$szType."\" );\n"; |
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$szInit .= " oGroup = new CWC2_CS_Group( \"".$szLayer."\" );\n"; |
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$szInit .= " oTheme.AddGroup( oGroup );\n"; |
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$szInit .= " oGroup.SetVisible( false );\n"; |
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$szInit .= " oGroup.SetStatus( true );\n"; |
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$szInit .= " oGroup.AddLayer( new CWC2_CS_Layer( \"".$szLayer."\" ) );\n"; |
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if ($oLayer->status == MS_ON) |
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$szInit .= " oTheme.SetStatus( true );\n"; |
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362 |
|
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} |
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} |
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} |
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|
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$szInit .= " gContextSelectorManager.UpdateStatus();\n"; |
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|
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$szJsFunctionName = "ContextSelector_initialize"; |
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$szFunction = <<<EOT |
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371 |
/** |
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* {$szJsFunctionName} |
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373 |
* called during OnLoad event to initialize the Context Selector manager |
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374 |
*/ |
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375 |
function {$szJsFunctionName}() |
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{ |
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{$szInit} |
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} |
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EOT; |
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380 |
$aReturn[$szJsFunctionName] = $szFunction; |
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381 |
|
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382 |
$this->moPopup->mszLink = $_SESSION['gszCoreWebPath']."/widgets/XMLThemeLegend/XMLThemeLegendInfo.phtml"; |
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383 |
$this->moPopup->mszParam = "&groups='+groupName+'&groups_abstracts='+groupAbstract+'&groups_layers='+szGroupLayers+'"; |
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384 |
$szPopupURL = $this->moPopup->DrawPublish(); |
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385 |
$szJsFunctionName = "ContextSelector_openGroupInfo"; |
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$sCommon = COMMON; |
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$sWebPath = $_SESSION['gszCoreWebPath']; |
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$sSID = SID; |
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389 |
$szFunction = <<<EOT |
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390 |
/** |
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391 |
* {$szJsFunctionName} |
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392 |
* called when a Group is clicked in the ContextSelector widget |
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393 |
*/ |
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394 |
function {$szJsFunctionName}(groupName, groupAbstract, groupLayers) |
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395 |
{ |
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396 |
var i; |
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397 |
//calculate the URL options |
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398 |
szGroupLayers = ""; |
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399 |
szSep = ""; |
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400 |
for (i=0; i<groupLayers.length; i++) |
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{ |
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402 |
szGroupLayers += szSep + groupLayers[i]; |
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403 |
szSep = ";"; |
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} |
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405 |
{$szPopupURL} |
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} |
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407 |
|
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EOT; |
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409 |
$aReturn[$szJsFunctionName] = $szFunction; |
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410 |
|
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411 |
|
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$this->moPopup->mszLink = $_SESSION['gszCoreWebPath']."/widgets/XMLThemeLegend/XMLThemeLegendInfo.phtml"; |
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413 |
$this->moPopup->mszParam = "&theme='+themeName+'&theme_abstract='+themeAbstract+'&groups='+szGroups+'&groups_abstracts='+groupAbstract+'&groups_layers='+szGroupLayers+'"; |
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414 |
$szJsFunctionName = "ContextSelector_openThemeInfo"; |
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415 |
$sCommon = COMMON; |
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416 |
$sWebPath = $_SESSION['gszCoreWebPath']; |
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417 |
$sSID = SID; |
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418 |
$szFunction = <<<EOT |
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419 |
/** |
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420 |
* {$szJsFunctionName} |
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421 |
* called when a Theme is clicked in the ContextSelector widget |
---|
422 |
*/ |
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423 |
function {$szJsFunctionName}(themeName, themeAbstract, themeGroups) |
---|
424 |
{ |
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425 |
var i, j; |
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426 |
|
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427 |
//calculate the URL options |
---|
428 |
|
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429 |
var szThemeLayers = ""; |
---|
430 |
var szThemeSep = ""; |
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431 |
var szGroups = ""; |
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432 |
var szGroupAbstracts = ""; |
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433 |
for (i=0; i<themeGroups.length; i++) |
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434 |
{ |
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435 |
var szGroupLayers = ""; |
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436 |
var szGroupSep = ""; |
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437 |
var group = themeGroups[i]; |
---|
438 |
szGroups += szThemeSep + group[0]; |
---|
439 |
szGroupAbstracts += szThemeSep + group[1]; |
---|
440 |
groupLayers = group[2]; |
---|
441 |
for (j=0; j<groupLayers.length; j++) |
---|
442 |
{ |
---|
443 |
szGroupLayers += szGroupSep + groupLayers[j]; |
---|
444 |
szGroupSep = ";"; |
---|
445 |
} |
---|
446 |
|
---|
447 |
szThemeLayers += szThemeSep + szGroupLayers; |
---|
448 |
szThemeSep = "|"; |
---|
449 |
} |
---|
450 |
{$szPopupURL} |
---|
451 |
} |
---|
452 |
|
---|
453 |
EOT; |
---|
454 |
$aReturn[$szJsFunctionName] = $szFunction; |
---|
455 |
|
---|
456 |
$szJsFunctionName = "ContextSelector_SetThemeStatus"; |
---|
457 |
$szFunction = <<<EOT |
---|
458 |
/* |
---|
459 |
* {$szJsFunctionName} |
---|
460 |
*/ |
---|
461 |
function {$szJsFunctionName}( nTheme, bStatus ) |
---|
462 |
{ |
---|
463 |
//alert( "set theme status for theme " + nTheme + " to " + bStatus ); |
---|
464 |
gContextSelectorManager.SetThemeStatus( nTheme, bStatus ); |
---|
465 |
{$this->mszHTMLForm}.CONTEXTSELECTOR_LAYERS_ON.value = gContextSelectorManager.GetVisibleLayerNames(); |
---|
466 |
} |
---|
467 |
EOT; |
---|
468 |
|
---|
469 |
$aReturn[$szJsFunctionName] = $szFunction; |
---|
470 |
|
---|
471 |
$szJsFunctionName = "ContextSelector_SetGroupStatus"; |
---|
472 |
$szFunction = <<<EOT |
---|
473 |
/* |
---|
474 |
* {$szJsFunctionName} |
---|
475 |
*/ |
---|
476 |
function {$szJsFunctionName}( nTheme, nGroup, bStatus ) |
---|
477 |
{ |
---|
478 |
//alert( "set group status for theme " + nTheme + ", group " + nGroup + " to " + bStatus ); |
---|
479 |
gContextSelectorManager.SetGroupStatus( nTheme, nGroup, bStatus ); |
---|
480 |
{$this->mszHTMLForm}.CONTEXTSELECTOR_LAYERS_ON.value = gContextSelectorManager.GetVisibleLayerNames(); |
---|
481 |
} |
---|
482 |
EOT; |
---|
483 |
|
---|
484 |
$aReturn[$szJsFunctionName] = $szFunction; |
---|
485 |
|
---|
486 |
$szJsFunctionName = "ContextSelected"; |
---|
487 |
$szFunction = <<<EOT |
---|
488 |
/** |
---|
489 |
* {$szJsFunctionName} |
---|
490 |
* called when a conext is selected in ContextSelector widget |
---|
491 |
*/ |
---|
492 |
function {$szJsFunctionName}(szTemplate, szContext) |
---|
493 |
{ |
---|
494 |
{$this->mszHTMLForm}.CONTEXT.value = szContext; |
---|
495 |
{$this->mszHTMLForm}.TEMPLATE.value = szTemplate; |
---|
496 |
{$this->mszHTMLForm}.CONTEXTSELECTOR_CONTEXT_CHANGED.value = "1"; |
---|
497 |
{$this->mszHTMLForm}.submit(); |
---|
498 |
} |
---|
499 |
EOT; |
---|
500 |
$aReturn[$szJsFunctionName] = $szFunction; |
---|
501 |
|
---|
502 |
|
---|
503 |
return $aReturn; |
---|
504 |
} |
---|
505 |
|
---|
506 |
|
---|
507 |
|
---|
508 |
/** |
---|
509 |
* ParseURL |
---|
510 |
* |
---|
511 |
* Loop trough all layers and set them to on/off if found in |
---|
512 |
* the URL. |
---|
513 |
*/ |
---|
514 |
function ParseURL() |
---|
515 |
{ |
---|
516 |
|
---|
517 |
if ( $this->isVarSet( "THEMEFILE" ) ) |
---|
518 |
$this->mszThemeFile = $this->getVar( "THEMEFILE" ); |
---|
519 |
|
---|
520 |
$this->moThemeParser = new ThemeParser($this->mszThemeFile); |
---|
521 |
|
---|
522 |
//handle unthemed layers |
---|
523 |
//this is part of widget initialization but is done here because it needs |
---|
524 |
//the map object. |
---|
525 |
$this->moThemeParser->ProcessExtraLayers($this->moMapObject->oMap); |
---|
526 |
|
---|
527 |
if ($this->isVarSet( "CONTEXTSELECTOR" )) |
---|
528 |
{ |
---|
529 |
$szAllLayers = $this->getVar( "CONTEXTSELECTOR_ALL_LAYERS" ); |
---|
530 |
$aszAllLayers = explode("|", $szAllLayers); |
---|
531 |
$szLayersOn = $this->getVar( "CONTEXTSELECTOR_LAYERS_ON" ); |
---|
532 |
$aszLayersOn = explode("|", $szLayersOn); |
---|
533 |
$oMap = $this->moMapObject->oMap; |
---|
534 |
$nLayers = $oMap->numlayers; |
---|
535 |
for ($i=0; $i<$nLayers; $i++) |
---|
536 |
{ |
---|
537 |
$oLayer = $oMap->getLayer($i); |
---|
538 |
|
---|
539 |
$szName = $oLayer->getMetadata("WMS_NAME"); |
---|
540 |
if ($szName == "") |
---|
541 |
{ |
---|
542 |
$szName = $oLayer->name; |
---|
543 |
} |
---|
544 |
if (in_array($szName, $aszAllLayers)) |
---|
545 |
{ |
---|
546 |
if (in_array( $szName, $aszLayersOn )) |
---|
547 |
{ |
---|
548 |
$oLayer->set("status", MS_ON); |
---|
549 |
} |
---|
550 |
else |
---|
551 |
{ |
---|
552 |
$oLayer->set("status", MS_OFF); |
---|
553 |
} |
---|
554 |
} |
---|
555 |
} |
---|
556 |
} |
---|
557 |
} |
---|
558 |
|
---|
559 |
/** |
---|
560 |
* CheckThemeOn |
---|
561 |
* |
---|
562 |
* Utility function to set on/off theme checkbox. |
---|
563 |
*/ |
---|
564 |
function CheckThemeOn($szThemeName) |
---|
565 |
{ |
---|
566 |
$oMap = $this->moMapObject->oMap; |
---|
567 |
$aszGroups = $this->moThemeParser->GetGroups($szThemeName); |
---|
568 |
$szType = $this->moThemeParser->GetThemeAttribute( $szThemeName, "theme_type" ); |
---|
569 |
$bOn = ($szType == "checkbox"); |
---|
570 |
foreach( $aszGroups as $aszLayers ) |
---|
571 |
{ |
---|
572 |
foreach( $aszLayers as $szLayerName ) |
---|
573 |
{ |
---|
574 |
$oLayer = $this->GetLayerByName($szLayerName); |
---|
575 |
if ($oLayer->status == MS_OFF && $szType == "checkbox") |
---|
576 |
{ |
---|
577 |
return false; |
---|
578 |
} |
---|
579 |
else if ($oLayer->status == MS_ON && $szType == "radio") |
---|
580 |
{ |
---|
581 |
return true; |
---|
582 |
} |
---|
583 |
} |
---|
584 |
} |
---|
585 |
|
---|
586 |
return $bOn; |
---|
587 |
} |
---|
588 |
|
---|
589 |
/** |
---|
590 |
* GetLayerByName |
---|
591 |
* |
---|
592 |
* Return a layer if it's wms_name or layer name corresponds to the |
---|
593 |
* szTestName passed as argument |
---|
594 |
*/ |
---|
595 |
function GetLayerByName( $szTestName ) |
---|
596 |
{ |
---|
597 |
$poMap = $this->moMapObject->oMap; |
---|
598 |
for ($i=0;$i<$poMap->numlayers;$i++) |
---|
599 |
{ |
---|
600 |
$oLayer = $poMap->getLayer( $i ); |
---|
601 |
|
---|
602 |
$szName = $oLayer->getmetadata( "WMS_NAME" ); |
---|
603 |
//handle non-wms layers |
---|
604 |
if ($szName == "") |
---|
605 |
{ |
---|
606 |
$szName = $oLayer->name; |
---|
607 |
} |
---|
608 |
|
---|
609 |
if (strcasecmp(trim($szName), $szTestName) == 0) |
---|
610 |
{ |
---|
611 |
return $oLayer; |
---|
612 |
} |
---|
613 |
} |
---|
614 |
return false; |
---|
615 |
} |
---|
616 |
|
---|
617 |
/** |
---|
618 |
* return the status of a group of layers. Assume that if any one |
---|
619 |
* layer is 'on' then they are all on |
---|
620 |
*/ |
---|
621 |
function CheckGroupOn( $szThemeName, $szGroupName ) |
---|
622 |
{ |
---|
623 |
$aszLayers = $this->moThemeParser->maThemes[$szThemeName][$szGroupName]; |
---|
624 |
foreach( $aszLayers as $layer ) |
---|
625 |
{ |
---|
626 |
$oLayer = $this->GetLayerByName($layer); |
---|
627 |
if ($oLayer->status == MS_ON || $oLayer->status == MS_DEFAULT) |
---|
628 |
{ |
---|
629 |
return true; |
---|
630 |
} |
---|
631 |
} |
---|
632 |
return false; |
---|
633 |
} |
---|
634 |
|
---|
635 |
/** |
---|
636 |
* GetCurrentContext |
---|
637 |
* |
---|
638 |
* Get the current context used. |
---|
639 |
*/ |
---|
640 |
function GetCurrentContext() |
---|
641 |
{ |
---|
642 |
$szContext= trim(basename($_SESSION["gszCurrentContext"])); |
---|
643 |
|
---|
644 |
return $szContext; |
---|
645 |
} |
---|
646 |
|
---|
647 |
/** |
---|
648 |
* DrawPublish |
---|
649 |
* |
---|
650 |
* Build layerconrol corresponding to the context and the theme |
---|
651 |
* file associated. |
---|
652 |
* The CWC tag looks like : |
---|
653 |
* <cwc2 type="contextselector"> |
---|
654 |
* <selection contextfile="path-to-context" |
---|
655 |
* themefile="path-to-theme" default="[true|false]"/> |
---|
656 |
* <selection .... /> |
---|
657 |
* </cwc> |
---|
658 |
*/ |
---|
659 |
function DrawPublish() |
---|
660 |
{ |
---|
661 |
$oMap = $this->moMapObject->oMap; |
---|
662 |
|
---|
663 |
$szHTML=""; |
---|
664 |
|
---|
665 |
$aVals = $this->moThemeParser->maVals; |
---|
666 |
|
---|
667 |
$aExtraLayers = array(); |
---|
668 |
$aActiveLayers = array(); |
---|
669 |
|
---|
670 |
//pre-process the layers in the map file and see if they are all supported |
---|
671 |
for ($i=0; $i<$oMap->numlayers; $i++) |
---|
672 |
{ |
---|
673 |
$oLayer = $oMap->GetLayer( $i ); |
---|
674 |
|
---|
675 |
//removed wms layer check. |
---|
676 |
$szLayer = $oLayer->getMetaData( "WMS_NAME" ); |
---|
677 |
|
---|
678 |
//handle non-wms layers |
---|
679 |
if ($szLayer == "") |
---|
680 |
{ |
---|
681 |
$szLayer = $oLayer->name; |
---|
682 |
} |
---|
683 |
|
---|
684 |
if (array_key_exists( $szLayer, $this->moThemeParser->maLayers ) ) |
---|
685 |
{ |
---|
686 |
$aActiveLayers[$szLayer] = |
---|
687 |
($oLayer->status == MS_ON) ? " CHECKED" : ""; |
---|
688 |
} |
---|
689 |
else |
---|
690 |
{ |
---|
691 |
if ($this->moThemeParser->maGlobals["gThemeExtendContext"] == "true") |
---|
692 |
{ |
---|
693 |
$aExtraLayers[$szLayer] = |
---|
694 |
($oLayer->status == MS_ON) ? " CHECKED" : ""; |
---|
695 |
} |
---|
696 |
} |
---|
697 |
|
---|
698 |
} |
---|
699 |
|
---|
700 |
//need to update the inputs and urls for themes and groups now |
---|
701 |
$i = 0; //track theme id |
---|
702 |
$nLastThemeId = 0; |
---|
703 |
$nLastGroupId = 0; |
---|
704 |
foreach($this->moThemeParser->maThemes as $szThemeName => $aGroups) |
---|
705 |
{ |
---|
706 |
$nThemeGroups = count($aGroups); |
---|
707 |
|
---|
708 |
$szAThemeGroups = "new Array("; |
---|
709 |
$szThemeSep = ""; |
---|
710 |
$nThemeLayers = 0; |
---|
711 |
|
---|
712 |
//if there is a group in the theme |
---|
713 |
if ($nThemeGroups > 0) |
---|
714 |
{ |
---|
715 |
$theme_idx = $this->moThemeParser->GetThemeIndex( $szThemeName ); |
---|
716 |
$szThemeChecked = ($this->CheckThemeOn($szThemeName)) ? " CHECKED" : ""; |
---|
717 |
$szThemeAbstract = $this->moThemeParser->GetThemeAttribute( $szThemeName, "theme_abstract" ); |
---|
718 |
$szExtendThemeAbstract = $this->moThemeParser->GetThemeAttribute( $szThemeName, "theme_extendabstract" ); |
---|
719 |
$aVals["theme"][$theme_idx]["theme_input"] = "<input name=\"".$szThemeName. |
---|
720 |
"\" type=\"checkbox\" value=\"". |
---|
721 |
$szThemeName."\" onClick=\"". |
---|
722 |
"ContextSelector_SetThemeStatus('". |
---|
723 |
$i."', this.checked)\" ". $szThemeChecked.">"; |
---|
724 |
|
---|
725 |
$j = 0; //track current group id |
---|
726 |
foreach ($aGroups as $szGroupName => $aLayersInGroup) |
---|
727 |
{ |
---|
728 |
$szChecked = ($this->CheckGroupOn($szThemeName, $szGroupName)) ? " CHECKED" : ""; |
---|
729 |
//if ($nThemeGroups > 1) |
---|
730 |
//{ |
---|
731 |
$szOnClick = "onClick=\"ContextSelector_SetGroupStatus('$i', '$j', this.checked)\""; |
---|
732 |
//} |
---|
733 |
//else |
---|
734 |
// $szOnClick ="onClick=\"ContextSelector_UpdateGroupsOn()\""; |
---|
735 |
|
---|
736 |
$nGroupLayers = 0; |
---|
737 |
$szLayers = ""; |
---|
738 |
$szSep = ""; |
---|
739 |
foreach($aLayersInGroup as $szLayer) |
---|
740 |
{ |
---|
741 |
if (array_key_exists( $szLayer, $aActiveLayers) || array_key_exists( $szLayer, $aExtraLayers )) |
---|
742 |
{ |
---|
743 |
$szLayers .= $szSep."'".$szLayer."'"; |
---|
744 |
$szSep = ","; |
---|
745 |
++$nGroupLayers; |
---|
746 |
} |
---|
747 |
} |
---|
748 |
|
---|
749 |
$szExtendGroupAbstract = $this->moThemeParser->GetGroupAttribute( $szThemeName, $szGroupName, "group_extendabstract" ); |
---|
750 |
$szAGroupLayers = "new Array("; |
---|
751 |
if ($szExtendGroupAbstract == "true" && $nGroupLayers > 0) |
---|
752 |
$szAGroupLayers .= $szLayers; |
---|
753 |
$szAGroupLayers .= ")"; |
---|
754 |
|
---|
755 |
$szGroupAbstract = $this->moThemeParser->GetGroupAttribute( $szThemeName, $szGroupName, "group_abstract" ); |
---|
756 |
|
---|
757 |
$szGroupInfo = "'".$szGroupName."', '".$szGroupAbstract."', ".$szAGroupLayers; |
---|
758 |
|
---|
759 |
$group_idx = $this->moThemeParser->GetGroupIndex( $szThemeName, $szGroupName ); |
---|
760 |
$szInputType = $aVals["theme"][$theme_idx]["theme_type"]; |
---|
761 |
$aVals["group"][$group_idx]["group_input"] = "<input name=\"".$szGroupName. |
---|
762 |
"\" type=\"".$szInputType."\" value=\"".$szGroupName."\" ".$szOnClick." ".$szChecked.">"; |
---|
763 |
$aVals["group"][$group_idx]["group_url"] = |
---|
764 |
"javascript:ContextSelector_openGroupInfo(".$szGroupInfo.")"; |
---|
765 |
$aVals["group"][$group_idx]["group_numlayers"] = "$nGroupLayers"; |
---|
766 |
|
---|
767 |
++$j; |
---|
768 |
++$nLastGroupId; |
---|
769 |
|
---|
770 |
if ( $szExtendThemeAbstract == "true" ) |
---|
771 |
{ |
---|
772 |
$szAThemeGroups .= $szThemeSep."new Array(".$szGroupInfo.")"; |
---|
773 |
$szThemeSep = ","; |
---|
774 |
} |
---|
775 |
|
---|
776 |
$nThemeLayers += $nGroupLayers; |
---|
777 |
} |
---|
778 |
} |
---|
779 |
$szAThemeGroups .= ")"; |
---|
780 |
$aVals["theme"][$theme_idx]["theme_url"] = |
---|
781 |
"javascript:ContextSelector_openThemeInfo('". |
---|
782 |
$szThemeName."', '".$szThemeAbstract."', ". |
---|
783 |
$szAThemeGroups.");"; |
---|
784 |
$aVals["theme"][$theme_idx]["theme_numlayers"] = "$nThemeLayers"; |
---|
785 |
++$i; |
---|
786 |
++$nLastThemeId; |
---|
787 |
} |
---|
788 |
|
---|
789 |
$aVals["selection"] = $this->maSelections; |
---|
790 |
|
---|
791 |
/* |
---|
792 |
* TODO: |
---|
793 |
* This widget should be able to load from a URL. |
---|
794 |
*/ |
---|
795 |
if (file_exists( $this->mszRendererFile )) |
---|
796 |
{ |
---|
797 |
$szHTML .= $this->moTemplateProcessor->ProcessTemplate( $this->mszRendererFile, $aVals ); |
---|
798 |
} |
---|
799 |
return $szHTML; |
---|
800 |
} |
---|
801 |
}//end of class |
---|
802 |
?> |
---|
803 |
|
---|