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<?php |
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/** |
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* ClearWFSFilter Widget Class |
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* |
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* @project Chameleon |
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* @revision $Id: ClearWFSFilter.widget.php,v 1.9 2004/10/14 18:19:09 pspencer Exp $ |
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* @purpose Clear the active layer's WFS filter if found. |
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* @author DM Solutions Group (dev@dmsolutions.ca) |
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* @copyright |
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* <b>Copyright (c) 2003, 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(dirname(__FILE__)."/../Widget.php"); |
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include_once(dirname(__FILE__)."/../Button.php"); |
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|
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/** |
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* ClearWFSFilter |
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* |
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* @desc Display a widget that clears the active layer's WFS filter. |
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*/ |
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class ClearWFSFilter extends CWCWidget |
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{ |
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var $moButton; |
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|
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/** |
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* ExpressionBuilder |
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* |
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* Constctor method for the ExpressionBuilder |
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*/ |
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function ClearWFSFilter() |
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{ |
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// set the language file |
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$this->mszLanguageResource = dirname(__FILE__)."/ClearWFSFilter.dbf"; |
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parent::CWCWidget(); |
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$this->moButton = new CWCButton( $this ); |
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// set the description for this widget |
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$this->szWidgetDescription = <<<EOT |
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The ClearWFSFilter widget clears the WFS filter from the active layer and deletes |
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the temporary annotation layer. |
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EOT; |
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$this->mnMaturityLevel = MATURITY_BETA; |
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} |
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function InitDefaults() |
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{ |
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parent::InitDefaults(); |
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//this widget should never belong to a toolset |
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$this->maParams["TOOLSET"] = ""; |
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$this->moButton->InitDefaults(); |
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$this->moButton->SetOnClick('clickClearWFSFilter'); |
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} |
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|
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/** |
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* SetMap |
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* |
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* Set the map session and create a navigation tool. |
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*/ |
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function SetMap($oMapSession) |
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{ |
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$this->moMapObject = $oMapSession; |
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} |
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|
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function GetJavascriptInitFunctions() |
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{ |
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return $this->moButton->GetJavascriptInitFunctions(); |
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} |
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function GetJavascriptVariables() |
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{ |
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return $this->moButton->GetJavascriptVariables(); |
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} |
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function GetJavascriptOnLoadFunctions() |
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{ |
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return $this->moButton->GetJavascriptOnLoadFunctions(); |
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} |
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function GetJavascriptIncludeFunctions() |
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{ |
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return $this->moButton->GetJavascriptIncludeFunctions(); |
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} |
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/** |
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* GetHTMLHiddenVariables |
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*/ |
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function GetHTMLHiddenVariables() |
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{ |
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// initialize return array |
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$aReturn = $this->moButton->GetHTMLHiddenVariables(); |
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// set default value for the filter check |
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$szFilterSet = ( isset( $_SESSION['expr_build_filter_set'] ) && |
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$_SESSION['expr_build_filter_set'] == '1' ) ? '1' : '0'; |
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|
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// setup the variables |
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$szVariable = "WFS_CLEAR_FILTER"; |
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$szValue = " <INPUT TYPE=hidden NAME=$szVariable VALUE=\"\">\n"; |
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$aReturn[$szVariable] = $szValue; |
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$szVariable = "WFS_CLEAR_FILTER_ISSET"; |
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$szValue = ' <INPUT TYPE=hidden NAME='.$szVariable.' VALUE="'.$szFilterSet."\">\n"; |
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$aReturn[$szVariable] = $szValue; |
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// return array of hidden variables |
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return $aReturn; |
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} |
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/** |
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* ParseURL |
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* |
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*/ |
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function ParseURL() |
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{ |
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$this->moButton->ParseURL(); |
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// process the clear WFS filter request |
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if ( $this->isVarSet("WFS_CLEAR_FILTER") && |
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$this->getVar("WFS_CLEAR_FILTER") == 1 ) |
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{ |
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// get the layer object |
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$nCount = $this->moMapObject->oMap->numlayers; |
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for ( $i=0; $i<$nCount; $i++ ) |
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{ |
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// get next layer |
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$oLayer = $this->moMapObject->oMap->getlayer( $i ); |
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// if metadata is set then clear |
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if ( $oLayer->getmetadata("selected") == 1 && |
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strlen( trim( $oLayer->getmetadata("wfs_filter" ) ) ) > 0 ) |
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$oLayer->removeMetaData( "wfs_filter" ); |
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|
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// delete annotation layer |
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if ( $oLayer->name == 'ExpressionBuilderAnnotation' ) |
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{ |
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$oLayer->set( 'status', MS_DELETE ); |
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} |
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// clear the session variable |
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$_SESSION['expr_build_filter_set'] = '0'; |
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if( isset($_SESSION['expr_build_origin_layer']) && |
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$oLayer->name == $_SESSION['expr_build_origin_layer'] ) |
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{ |
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$oTmpLayer = $this->moMapObject->oMap->getLayerByName( |
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'ExpressionBuilderAnnotation' ); |
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if( $oTmpLayer && |
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$oTmpLayer->getmetadata('selected') == 1 ) |
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{ |
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$oLayer->setmetadata( 'selected', 1 ); |
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$oTmpLayer->setmetadata( 'selected', 0 ); |
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} |
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} |
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} |
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} |
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// return success |
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return true; |
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} |
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/** |
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* GetJavascriptFunctions |
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* |
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* Build and return the array of functions needed in the |
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* widget. |
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*/ |
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function GetJavascriptFunctions() |
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{ |
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if (isset($this->maSharedResourceWidgets["CWCJSAPI"])) |
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$bCWCJSAPI = 1; |
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else |
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$bCWCJSAPI = 0; |
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$aReturn = $this->moButton->GetJavascriptFunctions();//array(); |
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// Add code to clear filter |
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$szJsFunctionName = "clickClearWFSFilter"; |
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$szNoFilterMessage = $this->moMLT->get( "1", "There is no filter to clear." ); |
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$szWarningMessage = $this->moMLT->get( "0", "You are about to clear the WFS ". |
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"filter. Do you wish to continue?" ); |
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$szFunction = <<<EOT |
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/** |
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* {$szJsFunctionName} |
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* Clear the WFS filter |
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*/ |
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function {$szJsFunctionName}() |
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{ |
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// give message if there is nothing to delete |
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if ( {$this->mszHTMLForm}.WFS_CLEAR_FILTER_ISSET.value == 1 ) |
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{ |
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// warn the user that they are about to clear the filter |
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if ( confirm( "{$szWarningMessage}" ) ) |
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{ |
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// set the hidden form vars |
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{$this->mszHTMLForm}.WFS_CLEAR_FILTER.value = 1; |
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// submit the form |
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{$this->mszHTMLForm}.submit(); |
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} |
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} |
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else |
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{ |
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alert('{$szNoFilterMessage}'); |
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} |
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// return |
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return; |
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} |
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EOT; |
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$aReturn[$szJsFunctionName] = $szFunction; |
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// return the array of functions |
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return $aReturn; |
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} |
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/** |
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* DrawPublish |
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* |
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* Return the HTML code using the name in the map file and the |
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* parameters of the CWC tag. |
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*/ |
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function DrawPublish() |
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{ |
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if (!$this->mbVisible) |
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return "<!-- clickClearWFSFilter widget hidden -->"; |
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$szResult = $this->moButton->DrawPublish(); |
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return $szResult; |
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} |
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} |
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?> |
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