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New Lizmap web component lizmap-features-table to display a compact l…
…ist of features
<lizmap-features-table
layertitle="child sub-districts"
layerid="sousquartiers_24ceec66_e7fe_46a2_b57a_af5c50389649"
uniquefield="id"
expressionfilter="quartmno = 'MC'"
withgeometry="1"
sortingfield="libsquart"
sortingorder="asc"
draggable="yes"
></lizmap-features-table>- Loading branch information
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,136 @@ | ||
| /** | ||
| * @module modules/FeaturesTable.js | ||
| * @name FeaturesTable | ||
| * @copyright 2024 3Liz | ||
| * @license MPL-2.0 | ||
| */ | ||
| import { mainLizmap, mainEventDispatcher } from '../modules/Globals.js'; | ||
| import Utils from './Utils.js'; | ||
|
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||
| /** | ||
| * @class | ||
| * @name FeaturesTable | ||
| */ | ||
| export default class FeaturesTable { | ||
|
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| constructor() { | ||
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| } | ||
|
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| /** | ||
| * Get the list of features containing the display expression | ||
| * | ||
| * @param | ||
| * @return {Promise} features - Promise with the JSON list of features | ||
| */ | ||
|
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| /** | ||
| * Get the list of features containing the display expression | ||
| * | ||
| * @param {string} layerId The QGIS layer ID | ||
| * @param {string|null} filter An QGIS expression filter | ||
| * @param {boolean} withGeometry If we need to get the geometry | ||
| * @param {string|null} fields List of field names separated by comma | ||
| * | ||
| * @returns — A Promise that resolves with the result of parsing the response body text as JSON. | ||
| * @throws — {ResponseError} In case of invalid content type (not application/json or application/vnd.geo+json) or Invalid JSON | ||
| * @throws — {HttpError} In case of not successful response (status not in the range 200 – 299) | ||
| * @throws — {NetworkError} In case of catch exceptions | ||
| */ | ||
| getFeatures(layerId, filter = null, withGeometry = false, fields = 'null') { | ||
|
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| // Build URL | ||
| const url = `${lizUrls.service.replace('service?','features/displayExpression?')}&`; | ||
|
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| // Build parameters | ||
| let formData = new FormData(); | ||
| formData.append('layerId', layerId); | ||
| formData.append('exp_filter', filter); | ||
| formData.append('with_geometry', withGeometry.toString()); | ||
| formData.append('fields', fields); | ||
|
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| // Return promise | ||
| return Utils.fetchJSON(url, { | ||
| method: "POST", | ||
| body: formData | ||
| }); | ||
| } | ||
|
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||
|
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| /** | ||
| * Display a lizMap message | ||
| * | ||
| * @param {string} message Message to display | ||
| * @param {string} type Type : error or info | ||
| * @param {number} duration Number of millisecond the message must be displayed | ||
| */ | ||
| addMessage(message, type='info', duration=60000) { | ||
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| let previousMessage = document.getElementById('lizmap-features-table-message'); | ||
| if (previousMessage) previousMessage.remove(); | ||
| mainLizmap.lizmap3.addMessage( | ||
| message, type, true, duration | ||
| ).attr('id', 'lizmap-features-table-message'); | ||
| } | ||
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| /** | ||
| * Open a Lizmap Popup | ||
| * | ||
| * @param {string} layerId QGIS layer ID | ||
| * @param {object} feature WFS Feature | ||
| * @param {string} uniqueField Field containing unique values (used to set the filter for the WMS request) | ||
| * @param {HTMLElement} targetElement Target HTML element to display the popup content for the given feature | ||
| * @param {callBack} callBack Callback function | ||
| */ | ||
| openPopup(layerId, feature, uniqueField, targetElement, aCallBack) { | ||
|
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| // Get the layer name & configuration | ||
| if (!mainLizmap.initialConfig.layers.layerIds.includes(layerId)) { | ||
| return null; | ||
| } | ||
| const layerConfig = mainLizmap.initialConfig.layers.getLayerConfigByLayerId(layerId); | ||
| const layerName = layerConfig.name; | ||
|
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| // Layer WMS name | ||
| const wmsName = layerConfig?.shortname || layerConfig?.name || layerName; | ||
|
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| // Filter | ||
| const filter = `${wmsName}:"${uniqueField}" = '${feature.properties[uniqueField]}'`; | ||
|
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| var crs = 'EPSG:4326'; | ||
| if(layerConfig.crs && layerConfig.crs != ''){ | ||
| crs = layerConfig.crs; | ||
| } | ||
|
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| var wmsOptions = { | ||
| 'LAYERS': wmsName | ||
| ,'QUERY_LAYERS': wmsName | ||
| ,'STYLES': '' | ||
| ,'SERVICE': 'WMS' | ||
| ,'VERSION': '1.3.0' | ||
| ,'CRS': crs | ||
| ,'REQUEST': 'GetFeatureInfo' | ||
| ,'EXCEPTIONS': 'application/vnd.ogc.se_inimage' | ||
| ,'INFO_FORMAT': 'text/html' | ||
| ,'FEATURE_COUNT': 1 | ||
| ,'FILTER': filter, | ||
|
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| }; | ||
|
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| // Query the server | ||
| $.get(globalThis['lizUrls'].service, wmsOptions, function(data) { | ||
| // Display the popup in the target element | ||
| if (targetElement) { | ||
| targetElement.innerHTML = data; | ||
| } | ||
|
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| // Launch callback | ||
| aCallBack(layerId, feature, targetElement); | ||
| }); | ||
| } | ||
|
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||
|
|
||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,185 @@ | ||
| <?php | ||
| /** | ||
| * Get features from QGIS Server with the help of expressions. | ||
| * | ||
| * @author 3liz | ||
| * @copyright 2024 3liz | ||
| * | ||
| * @see https://3liz.com | ||
| * | ||
| * @license Mozilla Public License : https://www.mozilla.org/MPL/ | ||
| */ | ||
| class featuresCtrl extends jController | ||
| { | ||
| /** | ||
| * Get all tooltips of a given layer. | ||
| * | ||
| * @urlparam $REPOSITORY Name of the repository | ||
| * @urlparam $PROJECT Name of the project | ||
| * @urlparam $LAYERID Layer Id | ||
| * | ||
| * @return jResponseJson geoJSON content | ||
| */ | ||
| public function tooltips() | ||
| { | ||
| /** @var jResponseJson $rep */ | ||
| $rep = $this->getResponse('json'); | ||
| $content = array(); | ||
| $rep->data = $content; | ||
|
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| // Get project and repository, and check rights | ||
| $project = $this->param('project'); | ||
| $repository = $this->param('repository'); | ||
| $layerId = trim($this->param('layerId', '')); | ||
| $lproj = null; | ||
|
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| try { | ||
| $lproj = lizmap::getProject($repository.'~'.$project); | ||
| if (!$lproj) { | ||
| jMessage::add('The lizmap project '.strtoupper($project).' does not exist !', 'ProjectNotDefined'); | ||
|
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| return $rep; | ||
| } | ||
| } catch (\Lizmap\Project\UnknownLizmapProjectException $e) { | ||
| jLog::logEx($e, 'error'); | ||
| jMessage::add('The lizmap project '.strtoupper($project).' does not exist !', 'ProjectNotDefined'); | ||
|
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| return $rep; | ||
| } | ||
| if (!$lproj->checkAcl()) { | ||
| jMessage::add(jLocale::get('view~default.repository.access.denied'), 'AuthorizationRequired'); | ||
|
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| return $rep; | ||
| } | ||
|
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| $qgisLayer = $lproj->getLayer($layerId); | ||
|
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| if (!$qgisLayer) { | ||
| jMessage::add('The layer Id '.$layerId.' does not exist !', 'error'); | ||
|
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| return $rep; | ||
| } | ||
|
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| $tooltipLayers = $lproj->getTooltipLayers(); | ||
| $layerName = $qgisLayer->getName(); | ||
|
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| if (isset($tooltipLayers->{$layerName}, $tooltipLayers->{$layerName}->{'template'})) { | ||
| $tooltip = array('tooltip' => $tooltipLayers->{$layerName}->{'template'}); | ||
|
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| $data = \qgisExpressionUtils::replaceExpressionText( | ||
| $qgisLayer, | ||
| $tooltip, | ||
| ); | ||
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| $rep->data = $data; | ||
| } | ||
|
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| return $rep; | ||
| } | ||
|
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| /** | ||
| * Get display expressions evaluated for the given layer and parameters. | ||
| * | ||
| * @urlparam string $REPOSITORY Name of the repository | ||
| * @urlparam string $PROJECT Name of the project | ||
| * @urlparam string $LAYERID Layer Id | ||
| * @urlparam string $EXP_FILTER QGIS expression filter | ||
| * @urlparam string $WITH_GEOMETRY If we need to get the features geometries | ||
| * @urlparam string $FIELDS List of field names separated by comma | ||
| * | ||
| * @return jResponseJson geoJSON content | ||
| */ | ||
| public function displayExpression() | ||
| { | ||
| /** @var jResponseJson $rep */ | ||
| $rep = $this->getResponse('json'); | ||
| $content = array( | ||
| 'status' => 'error', | ||
| 'data' => null, | ||
| 'error' => 'An unexpected error occurred preventing to fetch the data', | ||
| ); | ||
| $rep->data = $content; | ||
|
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| // Get project and repository, and check rights | ||
| $project = $this->param('project'); | ||
| $repository = $this->param('repository'); | ||
| $layerId = trim($this->param('layerId', '')); | ||
| $withGeometry = trim($this->param('with_geometry', 'false')); | ||
| if (!in_array(strtolower($withGeometry), array('true', 'false'))) { | ||
| $withGeometry = 'false'; | ||
| } | ||
| $fields = trim($this->param('fields', 'null')); | ||
| $lproj = null; | ||
|
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| try { | ||
| $lproj = lizmap::getProject($repository.'~'.$project); | ||
| if (!$lproj) { | ||
| $content['error'] = 'The lizmap project '.strtoupper($project).' does not exist !'; | ||
| $rep->data = $content; | ||
|
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| return $rep; | ||
| } | ||
| } catch (\Lizmap\Project\UnknownLizmapProjectException $e) { | ||
| jLog::logEx($e, 'error'); | ||
| $content['error'] = 'The lizmap project '.strtoupper($project).' does not exist !'; | ||
| $rep->data = $content; | ||
|
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| return $rep; | ||
| } | ||
| if (!$lproj->checkAcl()) { | ||
| $content['error'] = jLocale::get('view~default.repository.access.denied'); | ||
| $rep->data = $content; | ||
|
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| return $rep; | ||
| } | ||
|
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| /** @var null|\qgisVectorLayer $qgisLayer */ | ||
| $qgisLayer = $lproj->getLayer($layerId); | ||
|
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| if ($qgisLayer === null) { | ||
| $content['error'] = 'The layer Id '.$layerId.' does not exist !'; | ||
| $rep->data = $content; | ||
|
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| return $rep; | ||
| } | ||
|
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| // Use Lizmap server plugin to evaluate the display expression & feature ID | ||
| $expressions = array( | ||
| // Get feature id | ||
| 'feature_id' => '@id', | ||
| // Get display expression | ||
| 'display_expression' => 'display_expression()', | ||
| ); | ||
|
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| // Filter | ||
| $exp_filter = trim($this->param('exp_filter', 'FALSE')); | ||
|
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| // Get the evaluated features for the given layer and parameters | ||
| $getDisplayExpressions = qgisExpressionUtils::virtualFields( | ||
| $qgisLayer, | ||
| $expressions, | ||
| $exp_filter, | ||
| $withGeometry, | ||
| $fields | ||
| ); | ||
|
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| // If the returned content is null, an error occurred | ||
| // while getting the data from QGIS Server lizmap plugin | ||
| if ($getDisplayExpressions === null) { | ||
| $content['error'] = 'An error occurred while getting the display name for the features !'; | ||
| $rep->data = $content; | ||
|
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| return $rep; | ||
| } | ||
|
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| // Send the data on success | ||
| $content = array( | ||
| 'status' => 'success', | ||
| 'data' => $getDisplayExpressions, | ||
| 'error' => null, | ||
| ); | ||
| $rep->data = $content; | ||
|
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| return $rep; | ||
| } | ||
| } |
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