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<?php |
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/** |
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* Base Widget class |
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* |
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* @project CWC2 |
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* @revision $Id: MapImageWidget.widget.php,v 1.3 2004/10/14 18:19:17 pspencer Exp $ |
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* @purpose Base Widget class |
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* @author DM Solutions Group (assefa@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(dirname(__FILE__)."/../Widget.php"); |
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|
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/** |
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* MapImageWidget |
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* |
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* @desc Map image widget. Provides a single click on the map and |
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* updates the NAV_INPUT_COORD parameter. |
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*/ |
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class MapImageWidget extends CWCWidget |
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{ |
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var $msMapImageName = "DEFAULT_MAP"; |
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var $mszDrawMapParams = ""; |
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var $mszWaitImage = ""; |
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var $mnWaitImageWidth; |
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var $mnWaitImageHeight; |
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var $mbBorder = false; |
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var $mbAllowResize = true; |
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var $mbNavigable = false; |
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var $mbTransparent = false; |
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var $mnWidth = ""; |
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var $mnHeight = ""; |
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var $mnMinxx = ""; |
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var $mnMinxy = ""; |
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var $mnMaxxx = ""; |
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var $mnMaxxy = ""; |
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var $mszImageType = ""; |
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|
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function MapImageWidget() |
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{ |
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// invoke constructor of parent |
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parent::CWCWidget(); |
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|
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// set the description for this widget |
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$this->szWidgetDescription = "No description available. Please set ". |
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"this description in the constructor of this class."; |
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|
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$this->maAttributes["WAITIMAGE"] = new StringAttribute( "WAITIMAGE", false); |
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$this->maAttributes["WAITIMAGEWIDTH"] = new IntegerAttribute( "WAITIMAGEWIDTH", false, 0 ); |
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$this->maAttributes["WAITIMAGEHEIGHT"] = new IntegerAttribute( "WAITIMAGEHEIGHT", false, 0 ); |
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|
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$this->maAttributes["BORDER"] = new BooleanAttribute( "BORDER", false); |
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|
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$this->maAttributes["ID"] = new StringAttribute("ID", false); |
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|
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$this->maAttributes["SRS"] = new StringAttribute("SRS", false); |
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$this->maAttributes["MINX"] = new IntegerAttribute("MINX", false); |
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$this->maAttributes["MINY"] = new IntegerAttribute("MINY", false); |
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$this->maAttributes["MAXX"] = new IntegerAttribute("MAXX", false); |
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$this->maAttributes["MAXY"] = new IntegerAttribute("MAXY", false); |
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|
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$this->maAttributes["WIDTH"] = new IntegerAttribute("WIDTH", false); |
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$this->maAttributes["HEIGHT"] = new IntegerAttribute("HEIGHT", false); |
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$this->maAttributes["ALLOWRESIZE"] = new BooleanAttribute( "ALLOWRESIZE", false); |
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|
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$this->maAttributes["NAVIGABLE"] = new BooleanAttribute( "NAVIGABLE", false); |
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|
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$this->maAttributes["TRANSPARENT"] = new BooleanAttribute( "TRANSPARENT", false); |
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$this->maAttributes["IMAGETYPE"] = new StringAttribute( "IMAGETYPE", false, |
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array("PNG", "PNG24", "JPEG", "GIF", "SWF")); |
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|
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$this->mnPriority = PRIORITY_HIGH; |
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$this->mnMaturityLevel = MATURITY_BETA; |
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} |
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|
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function InitDefaults() |
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{ |
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//now check the widget attributes to see if it is overridden |
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if (isset($this->maParams["WAITIMAGE"])) |
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{ |
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$this->mszWaitImage = $this->maParams["WAITIMAGE"]; |
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} |
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|
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if (isset($this->maParams["WAITIMAGEWIDTH"])) |
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$this->mnWaitImageWidth = $this->maParams["WAITIMAGEWIDTH"]; |
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if (isset($this->maParams["WAITIMAGEHEIGHT"])) |
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$this->mnWaitImageHeight = $this->maParams["WAITIMAGEHEIGHT"]; |
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if (isset($this->maParams["WIDTH"])) |
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$this->mnWidth = $this->maParams["WIDTH"]; |
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if (isset($this->maParams["HEIGHT"])) |
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$this->mnHeight = $this->maParams["HEIGHT"]; |
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if (isset($this->maParams["BORDER"])) |
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$this->mbBorder = ((strcasecmp($this->maParams["BORDER"],"true")==0)?true:false); |
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|
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if (isset($this->maParams["ALLOWRESIZE"])) |
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{ |
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if (strcasecmp( $this->maParams["ALLOWRESIZE"] , "true" ) == 0) |
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$this->mbAllowResize = true; |
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else |
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$this->mbAllowResize = false; |
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} |
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|
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if (isset($this->maParams["NAVIGABLE"])) |
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{ |
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if (strcasecmp( $this->maParams["NAVIGABLE"] , "true" ) == 0) |
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$this->mbNavigable = true; |
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else |
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$this->mbNavigable = false; |
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} |
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|
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if (isset($this->maParams["TRANSPARENT"])) |
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$this->mbTransparent = ((strtoupper($this->maParams["TRANSPARENT"]) == "TRUE") ? true : false); |
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|
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if (isset($this->maParams["IMAGETYPE"])) |
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$this->mszImageType = $this->maParams["IMAGETYPE"]; |
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parent::InitDefaults(); |
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} |
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|
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/** |
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* DrawPublish |
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* |
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* Draw the map and return the HTML. |
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*/ |
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function DrawPublish() |
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{ |
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$oMap =& $this->moMapObject->oMap; |
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|
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// Get a copy of width and height |
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$nOldWidth = $oMap->width+0; |
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$nOldHeight = $oMap->height+0; |
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|
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// Get a copy of map extents |
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$nOldMinX = $oMap->extent->minx+0; |
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$nOldMinY = $oMap->extent->miny+0; |
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$nOldMaxX = $oMap->extent->maxx+0; |
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$nOldMaxY = $oMap->extent->maxy+0; |
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|
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$oMap->width = $this->mnWidth; |
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$oMap->height = $this->mnHeight; |
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|
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$nWidth = $oMap->width; |
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$nHeight = $oMap->height; |
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|
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// reproject the extent specified in cwc tag to map projection |
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if ($oMap->getProjection() != "" && $this->GetValue("srs") != "" && |
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strstr($oMap->getProjection(), $this->GetValue("srs")) === false) |
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{ |
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// Get map rojection as output |
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$szTmpMapProj = $oMap->getProjection(); |
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|
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// Get projection specified in cwc tag |
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$projOutObj = ms_newprojectionobj( $szTmpMapProj ); |
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|
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$projInObj = ms_newprojectionobj("init=".strtolower($this->GetValue("srs"))); |
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|
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$poRect = ms_newrectobj(); |
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$poRect->setextent($this->GetValue("minx", $nOldMinX), |
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$this->GetValue("miny", $nOldMinY), |
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$this->GetValue("maxx", $nOldMaxX), |
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$this->GetValue("maxy", $nOldMaxY)); |
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|
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$poRect->project($projInObj, $projOutObj); |
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|
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$this->mszDrawMapParams .= "&nMinX=".$poRect->minx. |
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"&nMinY=".$poRect->miny. |
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"&nMaxX=".$poRect->maxx. |
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"&nMaxY=".$poRect->maxy; |
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} |
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else |
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{ |
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$this->mszDrawMapParams .= "&nMinX=".$this->GetValue("minx", $nOldMinX). |
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"&nMinY=".$this->GetValue("miny", $nOldMinY). |
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"&nMaxX=".$this->GetValue("maxx", $nOldMaxX). |
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"&nMaxY=".$this->GetValue("maxy", $nOldMaxY); |
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} |
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|
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if ($this->mbTransparent != "") |
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$this->mszDrawMapParams .= "&bTransparent=".$this->mbTransparent; |
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|
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if ($this->mszImageType != "") |
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$this->mszDrawMapParams .= "&gszImgType=".$this->mszImageType; |
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|
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if($this->GetValue("id", $this->GetValue("name")) != "") |
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$this->mszDrawMapParams .= "&gszMapId=".$this->GetValue("id", |
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$this->GetValue("name")); |
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|
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$this->mnWidth = $this->GetValue("width", $nOldWidth); |
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$this->mnHeight = $this->GetValue("height", $nOldHeight); |
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|
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$this->mszDrawMapParams .= "&nWidth=".$this->GetValue("width", $nOldWidth); |
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$this->mszDrawMapParams .= "&nHeight=".$this->GetValue("height", $nOldHeight); |
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|
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$bNetscape4 = false; |
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if (isset($GLOBALS['HTTP_SERVER_VARS']['HTTP_USER_AGENT'])) |
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{ |
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if (stristr($GLOBALS['HTTP_SERVER_VARS']['HTTP_USER_AGENT'], "Mozilla/4") && (!(stristr($GLOBALS['HTTP_SERVER_VARS']['HTTP_USER_AGENT'], "compatible")))) |
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$bNetscape4 = true; |
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} |
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else |
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$bNetscape4 = true; |
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|
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if (!$this->mbNavigable) |
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$szImgType = "img"; |
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else |
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$szImgType = "input type=image onclick=\"if (!bPageLoaded) return false;\""; |
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|
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$szReturn = "<table cellpadding=\"0\" cellspacing=\"0\" border=\"0\"><tr>"; |
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if ($this->mbBorder) |
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{ |
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$szReturn .= "<td bgcolor=\"000000\"><img src=\"".$_SESSION['gszCoreWebPath']; |
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$szReturn .= "/images/a_pixel.gif\" width=\"1\" height=\"1\" id=\"mapFrameTL\" name=\"mapFrameTL\"></td>"; |
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$szReturn .= "<td bgcolor=\"000000\"><img src=\"".$_SESSION['gszCoreWebPath']; |
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$szReturn .= "/images/a_pixel.gif\" width=\"1\" height=\"1\"></td>"; |
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$szReturn .= "<td bgcolor=\"000000\"><img src=\"".$_SESSION['gszCoreWebPath']; |
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$szReturn .= "/images/a_pixel.gif\" width=\"1\" height=\"1\" id=\"mapFrameTR\" name=\"mapFrameTR\"></td>"; |
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$szReturn .= "</tr><tr><td bgcolor=\"000000\"><img src=\"".$_SESSION['gszCoreWebPath']; |
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$szReturn .= "/images/a_pixel.gif\" width=\"1\" height=\"1\"></td>"; |
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$szReturn .= "<td><a name=\"mapanchor\" $szImgType><div style=\"width:$nWidth;height:$nHeight;\">"; |
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if(!$bNetscape4 && $this->mszWaitImage != "") |
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{ |
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$szReturn .= "<ilayer id=\"".$this->msMapImageName."\" width=$nWidth height=$nHeight>"; |
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$szReturn .= "<layer id=\"".$this->msMapImageName."\" width=$nWidth height=$nHeight>"; |
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$szReturn .= "<table width=100% height=100% cellspacing=0 cellpading=0 border=0><tr>"; |
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$szReturn .= "<td align=center valign=center width=100% height=100%><$szImgType SRC=\"".$this->mszWaitImage; |
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$szReturn .= "\" NAME=\"".$this->msMapImageName."\" border=\"0\"></td></tr></table></layer></ilayer></div></a></td>"; |
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} |
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else |
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{ |
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$szReturn .= "<$szImgType SRC=\"".WEBCOMMON."/wrapper/drawmap.php?".$this->mszDrawMapParams; |
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$szReturn .= "\" NAME=\"".$this->msMapImageName."\" border=\"0\"></div></a></td>"; |
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} |
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$szReturn .= "<td bgcolor=\"000000\"><img src=\"".$_SESSION['gszCoreWebPath']; |
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| 254 |
$szReturn .= "/images/a_pixel.gif\" width=\"1\" height=\"1\"></td></tr><tr>"; |
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$szReturn .= "<td bgcolor=\"000000\"><img src=\"".$_SESSION['gszCoreWebPath']; |
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$szReturn .= "/images/a_pixel.gif\" width=\"1\" height=\"1\" id=\"mapFrameBL\" name=\"mapFrameBL\"></td>"; |
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| 257 |
$szReturn .= "<td bgcolor=\"000000\"><img src=\"".$_SESSION['gszCoreWebPath']; |
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| 258 |
$szReturn .= "/images/a_pixel.gif\" width=\"1\" height=\"1\"></td>"; |
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| 259 |
$szReturn .= "<td bgcolor=\"000000\"><img src=\"".$_SESSION['gszCoreWebPath']; |
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| 260 |
$szReturn .= "/images/a_pixel.gif\" width=\"1\" height=\"1\" id=\"mapFrameBR\" name=\"mapFrameBR\"></td>"; |
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| 261 |
} |
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else |
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{ |
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if(!$bNetscape4 && $this->mszWaitImage != "") |
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| 265 |
{ |
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$szReturn .= "<td><a name=\"mapanchor\"><div style=\"width:$nWidth;height:$nHeight;\">"; |
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| 267 |
$szReturn .= "<ilayer id=\"".$this->msMapImageName."\" width=$nWidth height=$nHeight>"; |
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| 268 |
$szReturn .= "<layer id=\"".$this->msMapImageName."\" width=$nWidth height=$nHeight>"; |
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| 269 |
$szReturn .= "<table width=100% height=100% cellspacing=0 cellpading=0 border=0><tr>"; |
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$szReturn .= "<td align=center valign=center width=100% height=100%><$szImgType SRC=\"". |
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(($bNetscape4 || $this->mszWaitImage == "") ? WEBCOMMON."/wrapper/drawmap.php?".$this->mszDrawMapParams: $this->mszWaitImage); |
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$szReturn .= "\" NAME=\"".$this->msMapImageName."\" border=\"0\"></td></tr></table></layer></ilayer></div></a></td>"; |
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| 273 |
} |
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else |
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{ |
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| 276 |
$szReturn .= "<td><a name=\"mapanchor\"><div style=\"width:$nWidth;height:$nHeight;\">"; |
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| 277 |
$szReturn .= "<$szImgType SRC=\"".WEBCOMMON."/wrapper/drawmap.php?".$this->mszDrawMapParams; |
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| 278 |
$szReturn .= "\" NAME=\"".$this->msMapImageName."\" border=\"0\"></div></a></td>"; |
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| 279 |
} |
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| 280 |
} |
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| 281 |
|
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| 282 |
$szReturn .= "</tr></table>"; |
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| 283 |
|
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$oMap->width = $nOldWidth; |
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| 285 |
$oMap->height = $nOldHeight; |
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| 286 |
|
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| 287 |
return $szReturn; |
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| 288 |
} |
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| 289 |
|
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| 290 |
|
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| 291 |
/** |
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| 292 |
* handle changes coming from the URL. In this case, we only want |
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| 293 |
* to verify that the map size is valid |
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| 294 |
*/ |
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| 295 |
function ParseURL() |
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| 296 |
{ |
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| 297 |
if (!$this->mbAllowResize) |
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| 298 |
{ |
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| 299 |
$poMap =& $this->moMapObject->oMap; |
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| 300 |
|
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| 301 |
$nWidth = $poMap->width; |
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| 302 |
$nHeight = $poMap->height; |
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| 303 |
|
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| 304 |
if (isset($this->maParams["WIDTH"])) |
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| 305 |
$nWidth = $this->maParams["WIDTH"]; |
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| 306 |
if (isset($this->maParams["HEIGHT"])) |
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| 307 |
$nHeight = $this->maParams["HEIGHT"]; |
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| 308 |
$poMap->set("width", $nWidth); |
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| 309 |
$poMap->set("height", $nHeight); |
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| 310 |
} |
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| 311 |
else |
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| 312 |
{ |
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| 313 |
$poMap =& $this->moMapObject->oMap; |
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| 314 |
|
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| 315 |
$nWidth = $poMap->width; |
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| 316 |
$nHeight = $poMap->height; |
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| 317 |
|
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| 318 |
if (isset($this->maParams["WIDTH"])) |
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| 319 |
$nWidth = $this->maParams["WIDTH"]; |
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| 320 |
if (isset($this->maParams["HEIGHT"])) |
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| 321 |
$nHeight = $this->maParams["HEIGHT"]; |
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| 322 |
|
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| 323 |
$poMap->set("width", $nWidth); |
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| 324 |
$poMap->set("height", $nHeight); |
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| 325 |
|
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| 326 |
if ($this->isVarSet( "MAP_WIDTH" ) && |
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| 327 |
$this->getVar( "MAP_WIDTH" ) != "" && |
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| 328 |
$this->getVar( "MAP_WIDTH" ) > 0 && |
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| 329 |
$this->isVarSet( "MAP_HEIGHT" ) && |
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| 330 |
$this->getVar( "MAP_HEIGHT" ) != "" && |
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| 331 |
$this->getVar( "MAP_HEIGHT" ) > 0) |
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| 332 |
{ |
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| 333 |
$this->moMapObject->oMap->set("width", |
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| 334 |
$this->getVar( "MAP_WIDTH" )); |
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| 335 |
$this->moMapObject->oMap->set("height", |
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| 336 |
$this->getVar( "MAP_HEIGHT" )); |
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| 337 |
} |
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| 338 |
} |
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| 339 |
if ($this->isVarSet( 'MAP_EXTENTS_MINX' ) && |
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| 340 |
$this->isVarSet( 'MAP_EXTENTS_MINY' ) && |
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| 341 |
$this->isVarSet( 'MAP_EXTENTS_MAXX' ) && |
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| 342 |
$this->isVarSet( 'MAP_EXTENTS_MAXY' )) |
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| 343 |
{ |
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| 344 |
$this->moMapObject->oMap->setExtent( |
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| 345 |
$this->getVar( 'MAP_EXTENTS_MINX' ), |
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| 346 |
$this->getVar( 'MAP_EXTENTS_MINY' ), |
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| 347 |
$this->getVar( 'MAP_EXTENTS_MAXX' ), |
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| 348 |
$this->getVar( 'MAP_EXTENTS_MAXY' )); |
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| 349 |
} |
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| 350 |
|
|---|
| 351 |
return parent::ParseURL(); |
|---|
| 352 |
} |
|---|
| 353 |
|
|---|
| 354 |
function GetHTMLHiddenVariables() |
|---|
| 355 |
{ |
|---|
| 356 |
$aReturn = parent::GetHTMLHiddenVariables(); |
|---|
| 357 |
|
|---|
| 358 |
$szVariable = "NAV_INPUT_TYPE"; |
|---|
| 359 |
$szValue = " <INPUT TYPE=HIDDEN NAME=$szVariable VALUE=\"POINT\">"; |
|---|
| 360 |
$aReturn[$szVariable] = $szValue; |
|---|
| 361 |
|
|---|
| 362 |
return $aReturn; |
|---|
| 363 |
} |
|---|
| 364 |
|
|---|
| 365 |
/** |
|---|
| 366 |
* GetJavascriptFunctions |
|---|
| 367 |
* |
|---|
| 368 |
* Build and return the array of functions needed in the |
|---|
| 369 |
* widget. |
|---|
| 370 |
*/ |
|---|
| 371 |
function GetJavascriptFunctions() |
|---|
| 372 |
{ |
|---|
| 373 |
$aReturn = array(); |
|---|
| 374 |
|
|---|
| 375 |
srand($this->make_seed()); |
|---|
| 376 |
$randval = rand(); |
|---|
| 377 |
$name = $this->msMapImageName; |
|---|
| 378 |
|
|---|
| 379 |
if (isset($_SESSION['gszCoreWebPath'])) |
|---|
| 380 |
$core = $_SESSION['gszCoreWebPath']; |
|---|
| 381 |
else |
|---|
| 382 |
$core = ""; |
|---|
| 383 |
|
|---|
| 384 |
$szJsFunctionName = "LoadMap(oLayer, szParam)"; |
|---|
| 385 |
$szFunction = "function $szJsFunctionName\n{\n". |
|---|
| 386 |
"var url='".$core. |
|---|
| 387 |
WEBCOMMON."/wrapper/drawmap.php?".SID."&dummy=".$randval. |
|---|
| 388 |
"'+szParam;\n". |
|---|
| 389 |
"if (navigator.appName == \"Netscape\" && navigator.appVersion[0] <= 4){\n". |
|---|
| 390 |
";\n}else{\n". |
|---|
| 391 |
"oDstImg = new Image();\n". |
|---|
| 392 |
"oDstImg.src = url;\n". |
|---|
| 393 |
"oLayer.src = oDstImg.src;\n}". |
|---|
| 394 |
"\n}"; |
|---|
| 395 |
|
|---|
| 396 |
$aReturn[$szJsFunctionName] = $szFunction; |
|---|
| 397 |
|
|---|
| 398 |
return $aReturn; |
|---|
| 399 |
} |
|---|
| 400 |
|
|---|
| 401 |
/** |
|---|
| 402 |
* GetJavascriptVariables |
|---|
| 403 |
*/ |
|---|
| 404 |
function getJavascriptVariables() |
|---|
| 405 |
{ |
|---|
| 406 |
$aReturn = parent::getJavascriptVariables(); |
|---|
| 407 |
|
|---|
| 408 |
$szVarName = "bPageLoaded"; |
|---|
| 409 |
$aReturn[$szVarName] = "var bPageLoaded = false;\n"; |
|---|
| 410 |
|
|---|
| 411 |
return $aReturn; |
|---|
| 412 |
} |
|---|
| 413 |
|
|---|
| 414 |
/** |
|---|
| 415 |
* GetJavascriptOnLoadFunctions |
|---|
| 416 |
* |
|---|
| 417 |
* On load functions. |
|---|
| 418 |
*/ |
|---|
| 419 |
function GetJavascriptOnLoadFunctions() |
|---|
| 420 |
{ |
|---|
| 421 |
$aReturn = array(); |
|---|
| 422 |
|
|---|
| 423 |
$aReturn = parent::GetJavascriptOnLoadFunctions(); |
|---|
| 424 |
|
|---|
| 425 |
$szFunctionName = "bPageLoaded"; |
|---|
| 426 |
$aReturn[$szFunctionName] = "bPageLoaded = true;\n"; |
|---|
| 427 |
|
|---|
| 428 |
$this->SetDrawMapURL(); |
|---|
| 429 |
|
|---|
| 430 |
if ($this->mszWaitImage != "") |
|---|
| 431 |
{ |
|---|
| 432 |
$szJsFunctionName = "if (navigator.appName == \"Netscape\" && navigator.appVersion[0] <= 4) ; else LoadMap(document.images['".$this->msMapImageName."'],'".$this->mszDrawMapParams."')"; |
|---|
| 433 |
|
|---|
| 434 |
$szFunction = "$szJsFunctionName;\n"; |
|---|
| 435 |
$aReturn[$szJsFunctionName] = $szFunction; |
|---|
| 436 |
} |
|---|
| 437 |
|
|---|
| 438 |
return $aReturn; |
|---|
| 439 |
} |
|---|
| 440 |
|
|---|
| 441 |
function SetDrawMapURL() |
|---|
| 442 |
{ |
|---|
| 443 |
$this->mszDrawMapParams .= "&map_session_mode=".$_SESSION['gnMapSessionMode']; |
|---|
| 444 |
|
|---|
| 445 |
$this->mszDrawMapParams .= "&".SID; |
|---|
| 446 |
} |
|---|
| 447 |
|
|---|
| 448 |
// seed with microseconds |
|---|
| 449 |
function make_seed() |
|---|
| 450 |
{ |
|---|
| 451 |
list($usec, $sec) = explode(' ', microtime()); |
|---|
| 452 |
return (float) $sec + ((float) $usec * 100000); |
|---|
| 453 |
} |
|---|
| 454 |
} |
|---|
| 455 |
?> |
|---|
