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component.js
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component.js
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// The MIT License (MIT)
//
// Copyright (c) 2016-2023 Camptocamp SA
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of
// this software and associated documentation files (the "Software"), to deal in
// the Software without restriction, including without limitation the rights to
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software is furnished to do so,
// subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
import angular from 'angular';
import gmfAuthenticationService from 'ngeo/auth/service';
import gmfThemeThemes from 'gmf/theme/Themes';
import LegendMapFishPrintV3 from 'gmf/print/LegendMapFishPrintV3';
import MaskLayer from 'ngeo/print/Mask';
import ngeoMapLayerHelper from 'ngeo/map/LayerHelper';
import ngeoMapFeatureOverlayMgr from 'ngeo/map/FeatureOverlayMgr';
import ngeoMiscFeatureHelper, {getFilteredFeatureValues} from 'ngeo/misc/FeatureHelper';
import ngeoPrintService from 'ngeo/print/Service';
import ngeoPrintUtils, {INCHES_PER_METER, DOTS_PER_INCH} from 'ngeo/print/Utils';
import ngeoQueryMapQuerent from 'ngeo/query/MapQuerent';
import {listen, unlistenByKey} from 'ol/events';
import olLayerImage from 'ol/layer/Image';
import olLayerGroup from 'ol/layer/Group';
import olMap from 'ol/Map';
import olView from 'ol/View';
import {toDegrees, toRadians, clamp} from 'ol/math';
import MapBrowserEvent from 'ol/MapBrowserEvent';
import 'bootstrap/js/src/dropdown';
/**
* Fields that can come from a print v3 server and can be used in the partial
* of the gmf print panel.
*
* @typedef {Object} PrintLayoutInfo
* @property {import('ngeo/print/mapfish-print-v3').MapFishPrintCapabilitiesLayoutAttribute[]} [simpleAttributes]
* Custom print layoutInfo.
* @property {string[]} [attributes] The list of all the attributes name.
* @property {number} [dpi] The selected 'dpi'.
* @property {number[]} [dpis] The list of 'dpis'.
* @property {Object<string, boolean>} [formats] The list of active 'formats' (png, pdf, ...).
* @property {string} [layout] The selected 'layout'.
* @property {string[]} [layouts] The list of 'layouts'.
* @property {boolean} [legend] The legend checkbox.
* @property {number} [scale] The selected 'scale'.
* @property {number[]} [scales] The list of 'scales'
*/
/**
* @type {angular.IModule}
* @hidden
*/
const myModule = angular.module('gmfPrintComponent', [
gmfThemeThemes.name,
ngeoMapLayerHelper.name,
ngeoMiscFeatureHelper.name,
ngeoPrintService.name,
ngeoPrintUtils.name,
ngeoQueryMapQuerent.name,
]);
myModule.value(
'gmfPrintTemplateUrl',
/**
* @param {JQuery} element Element.
* @param {angular.IAttributes} attrs Attributes.
* @returns {string} Template.
*/
(element, attrs) => {
const templateUrl = attrs.gmfPrintTemplateurl;
return templateUrl !== undefined ? templateUrl : 'gmf/print';
}
);
myModule.run(
/**
* @ngInject
* @param {angular.ITemplateCacheService} $templateCache
*/
($templateCache) => {
// @ts-ignore: webpack
$templateCache.put('gmf/print', require('./component.html'));
}
);
/**
* @enum {string}
* @hidden
*/
const PrintStateEnum = {
/**
* @type {string}
*/
NOT_IN_USE: 'notInUse',
/**
* @type {string}
*/
PRINTING: 'printing',
/**
* @type {string}
*/
ERROR_ON_REPORT: 'errorOnReport',
/**
* @type {string}
*/
CAPABILITIES_NOT_LOADED: 'capabilitiesNotLoaded',
/**
* @type {string}
*/
ERROR_ON_GETCAPABILITIES: 'errorOnGetCapabilities',
};
/**
* @typedef {Object} PrintState
* @property {PrintStateEnum} state
*/
myModule.value('gmfPrintState', {
state: PrintStateEnum.CAPABILITIES_NOT_LOADED,
});
/**
* @param {JQuery} $element Element.
* @param {angular.IAttributes} $attrs Attributes.
* @param {function(JQuery, angular.IAttributes): string} gmfPrintTemplateUrl Template function.
* @returns {string} Template URL.
* @ngInject
* @private
* @hidden
*/
function gmfPrintTemplateUrl($element, $attrs, gmfPrintTemplateUrl) {
return gmfPrintTemplateUrl($element, $attrs);
}
/**
* Provide a component that display a print panel. This panel is populated with
* a form corresponding to the capabilities delivered by a GMF print v3 server.
* If you want to use another template for your print panel, you can see the
* available layout information in the 'PrintLayoutInfo' classes.
*
* Simple example:
*
* <gmf-print
* gmf-print-map="::mainCtrl.map"
* gmf-print-active="printActive">
* </gmf-print>
*
* Example with user defined attribute:
*
* <gmf-print
* gmf-print-map="::mainCtrl.map"
* gmf-print-active="printActive"
* gmf-print-attributes-out="::attributes">
* <div ng-repeat="attribute in ::attributes">
* <div ng-if="attribute.name == 'name'">
* <input ng-model="attribute.value" placeholder="name" />
* </div>
* </div>
* </gmf-print>
*
* Note: The 'print' and 'cancel' functions can also be called via globals
* events 'gmfStartPrint' and 'gmfCancelPrint'.
*
* Used metadata:
*
* - hiDPILegendImages: The URLs to the hi DPI images used as a legend in the print. For WMS and
* WMTS layers.
* - printNativeAngle: Whether the print should rotate the symbols. For layer groups (only).
*
* @htmlAttribute {import('ol/Map').default} gmf-print-map The map.
* @htmlAttribute {boolean} gmf-print-active A boolean that informs if the
* panel is open or not.
* @ngdoc component
* @ngname gmfPrint
*/
const printComponent = {
bindings: {
'map': '<gmfPrintMap',
'active': '=gmfPrintActive',
'attributesOut': '=?gmfPrintAttributesOut',
},
controller: 'GmfPrintController',
templateUrl: gmfPrintTemplateUrl,
transclude: true,
};
myModule.component('gmfPrint', printComponent);
/**
* @private
* @hidden
*/
export class PrintController {
/**
* @param {JQuery} $element Element.
* @param {angular.IScope} $rootScope Angular root scope.
* @param {angular.IScope} $scope Angular scope.
* @param {angular.ITimeoutService} $timeout Angular timeout service.
* @param {angular.IQService} $q The Angular $q service.
* @param {angular.gettext.gettextCatalog} gettextCatalog Gettext catalog.
* @param {import('ngeo/map/LayerHelper').LayerHelper} ngeoLayerHelper The ngeo Layer Helper service.
* @param {import('ngeo/print/Utils').PrintUtils} ngeoPrintUtils The ngeo PrintUtils service.
* @param {import('ngeo/print/Service').CreatePrint} ngeoCreatePrint The ngeo Create Print function.
* @param {string} gmfPrintUrl The MapFishPrint URL.
* @param {import('ngeo/query/MapQuerent').QueryResult} ngeoQueryResult ngeo query result.
* @param {angular.IFilterService} $filter Angular $filter service.
* @param {PrintState} gmfPrintState GMF print state.
* @param {import('gmf/theme/Themes').ThemesService} gmfThemes The gmf Themes service.
* @param {import('gmf/datasource/ExternalDataSourcesManager').ExternalDatSourcesManager} gmfExternalDataSourcesManager The manager of external datasources.
* @param {import('gmf/options').gmfPrintOptions} gmfPrintOptions The options.
* @param {string} cacheVersion The cache version
* @ngInject
* @ngdoc controller
* @ngname GmfPrintController
*/
constructor(
$element,
$rootScope,
$scope,
$timeout,
$q,
gettextCatalog,
ngeoLayerHelper,
ngeoPrintUtils,
ngeoCreatePrint,
gmfPrintUrl,
ngeoQueryResult,
$filter,
gmfPrintState,
gmfThemes,
gmfExternalDataSourcesManager,
gmfPrintOptions,
cacheVersion
) {
this.options = gmfPrintOptions;
/**
* @type {PrintState}
* @private
*/
this.gmfPrintState_ = gmfPrintState;
/**
* @type {function(string): string}
* @private
*/
this.translate_ = $filter('translate');
/**
* @type {?import('ol/Map').default}
*/
this.map = null;
/**
* @private
*/
this.maskLayer_ = new MaskLayer({name: 'PrintMask'});
/**
* @type {boolean}
*/
this.active = false;
/**
* @type {import('ngeo/print/mapfish-print-v3').MapFishPrintCapabilitiesLayoutAttribute[]}
*/
this.attributesOut = [];
/**
* @type {angular.IScope}
* @private
*/
this.$rootScope_ = $rootScope;
/**
* @type {angular.IScope}
* @private
*/
this.$scope_ = $scope;
/**
* @type {angular.ITimeoutService}
* @private
*/
this.$timeout_ = $timeout;
/**
* @type {angular.IQService}
* @private
*/
this.$q_ = $q;
/**
* @type {angular.gettext.gettextCatalog}
* @private
*/
this.gettextCatalog_ = gettextCatalog;
/**
* @type {import('ngeo/map/LayerHelper').LayerHelper}
* @private
*/
this.ngeoLayerHelper_ = ngeoLayerHelper;
/**
* @type {import('ol/layer/Vector').default<import('ol/source/Vector').default<import('ol/geom/Geometry').default>>}
* @private
*/
this.featureOverlayLayer_ = ngeoMapFeatureOverlayMgr.getLayer();
/**
* @type {import('ngeo/print/Utils').PrintUtils}
* @private
*/
this.ngeoPrintUtils_ = ngeoPrintUtils;
/**
* @type {import('ngeo/print/Service').PrintService}
* @private
*/
this.ngeoPrint_ = ngeoCreatePrint(gmfPrintUrl);
/**
* @type {import('ngeo/query/MapQuerent').QueryResult}
* @private
*/
this.ngeoQueryResult_ = ngeoQueryResult;
/**
* @type {import('gmf/theme/Themes').ThemesService}
* @private
*/
this.gmfThemes_ = gmfThemes;
/**
* @type {import('gmf/datasource/ExternalDataSourcesManager').ExternalDatSourcesManager}
* @private
*/
this.gmfExternalDataSourcesManager_ = gmfExternalDataSourcesManager;
/**
* @type {?import("gmf/print/LegendMapFishPrintV3").default}
*/
this.legendMapFishPrintV3_ = null;
this.cacheVersion_ = cacheVersion;
/**
* @type {?angular.IDeferred<never>}
* @private
*/
this.requestCanceler_ = null;
/**
* @type {?angular.IPromise<void>}
* @private
*/
this.statusTimeoutPromise_ = null;
/**
* @type {?number[]}
* @private
*/
this.onDragPreviousMousePosition_ = null;
/**
* @type {?angular.IPromise<void>}
* @private
*/
this.rotationTimeoutPromise_ = null;
/**
* @type {?import('ol/events').EventsKey}
* @private
*/
this.pointerDragListenerKey_ = null;
/**
* @type {?import('ol/events').EventsKey}
* @private
*/
this.mapViewResolutionChangeKey_ = null;
/**
* Current report reference id.
*
* @type {string}
* @private
*/
this.curRef_ = '';
/**
* Formats availables in capabilities.
*
* @type {string[]}
* @private
*/
this.formats_ = [];
/**
* An array of attributes objects from capabilities.
*
* @type {import('ngeo/print/mapfish-print-v3').MapFishPrintCapabilitiesLayout[]}
* @private
*/
this.layouts_ = [];
/**
* An attributes object from capabilities.
*
* @type {?import('ngeo/print/mapfish-print-v3').MapFishPrintCapabilitiesLayout}
* @private
*/
this.layout_ = null;
/**
* @type {import('ol/size').Size}
* @private
*/
this.paperSize_ = null;
/**
* @type {PrintLayoutInfo}
*/
this.layoutInfo = {};
/**
* @type {number}
*/
this.rotation = 0;
/**
* The email of the user to which send the file. Obtained from the
* authentication service.
*
* @type {?string}
*/
this.smtpEmail = null;
/**
* Whether to send the printed file by email or not.
*
* @type {boolean}
*/
this.smtpEnabled = false;
/**
* Flag that determines whether to show a message notifying the
* user about his upcomping file or not.
*
* @type {boolean}
*/
this.smtpMessage = false;
/**
* Whether sending file by email is supported or not. Obtained
* from the print capabilities.
*
* @type {boolean}
*/
this.smtpSupported = false;
/**
* @type {boolean}
* @private
*/
this.scaleManuallySelected_ = false;
/**
* @type {JQuery}
*/
this.rotationInput_ = $element.find('.gmf-print-rotation-input');
// 'change' event listening is a workaround for IE11
this.rotationInput_.on('input change', (event) => {
const rotation = $(event.target).val();
if (typeof rotation == 'string') {
this.setRotation(parseFloat(rotation));
}
});
/**
* @type {function((Event|import('ol/events/Event').default)): (void|boolean)}
*/
this.postcomposeListener_ = (e) => false;
/**
* @type {?angular.IHttpPromise<import('ngeo/print/mapfish-print-v3').MapFishPrintCapabilities>}
* @private
*/
this.capabilities_ = null;
/**
* @type {?import('gmf/themes').GmfOgcServers}
* @private
*/
this.ogcServers_ = null;
/**
* @type {import('gmf/themes').GmfTheme[]}
* @private
*/
this.currentThemes_ = [];
}
/**
* Init the controller
*/
$onInit() {
if (!this.map) {
throw new Error('Missing map');
}
this.legendMapFishPrintV3_ = new LegendMapFishPrintV3(
this.gettextCatalog_,
this.ngeoLayerHelper_,
this.gmfExternalDataSourcesManager_,
this.options.legend,
this.map
);
listen(
this.map.getView(),
'change:rotation',
/** @type {import('ol/events').ListenerFunction} */
(event) => {
const target = event.target;
if (target instanceof olView) {
this.updateRotation_(Math.round(toDegrees(target.getRotation())));
}
}
);
// Clear the capabilities if the roles changes
this.$scope_.$watch(
() => gmfAuthenticationService.getRolesIds().join(','),
() => {
this.gmfPrintState_.state = PrintStateEnum.CAPABILITIES_NOT_LOADED;
this.capabilities_ = null;
}
);
// Store user email
this.$scope_.$watch(
() => gmfAuthenticationService.getEmail(),
(newValue) => {
this.smtpEmail = newValue;
}
);
this.$scope_.$watch(
() => this.active,
(active) => {
this.togglePrintPanel_(active);
}
);
// Print on event.
this.$rootScope_.$on('gmfStartPrint', (event, format) => {
this.print(`${format}`);
});
// Cancel print task on event.
this.$rootScope_.$on('gmfCancelPrint', () => {
this.cancel();
});
this.gmfThemes_.getOgcServersObject().then((ogcServersObject) => {
this.ogcServers_ = ogcServersObject;
});
listen(
this.gmfThemes_,
'change',
/** @type {import('ol/events').ListenerFunction} */
() => {
this.gmfThemes_.getThemesObject().then((currentThemes) => {
this.currentThemes_ = currentThemes;
});
}
);
/**
* @returns {import('ol/size').Size} Size in dots of the map to print.
*/
const getSizeFn = () => this.paperSize_;
let getRotationFn;
if (this.options.rotateMask) {
/**
* @returns {number} rotation to apply.
*/
getRotationFn = () => -this.rotation;
}
this.maskLayer_.getSize = getSizeFn;
this.maskLayer_.getScale = this.getScaleFn.bind(this);
this.maskLayer_.getRotation = getRotationFn;
}
/**
* @param {import('ol/Map').FrameState} frameState Frame state.
* @returns {number} Scale of the map to print.
*/
getScaleFn(frameState) {
// Don't compute an optimal scale if the user manually choose a value not in
// the pre-defined scales. (`scaleInput` in `gmfPrintOptions`).
if (this.layoutInfo.scale === undefined) {
throw new Error('Missing layoutInfo.scale');
}
if (!this.layoutInfo.scales) {
throw new Error('Missing layoutInfo.scales');
}
if (
!this.scaleManuallySelected_ &&
(this.layoutInfo.scale === -1 || this.layoutInfo.scales.includes(this.layoutInfo.scale))
) {
const mapSize = frameState.size;
const viewResolution = frameState.viewState.resolution;
this.layoutInfo.scale = this.getOptimalScale_(mapSize, viewResolution);
}
return this.layoutInfo.scale;
}
/**
* @param {boolean} active True to listen events related to the print and get
* capabilities. False to stop listen them and set rotation to 0.
* @private
*/
togglePrintPanel_(active) {
if (active) {
if (!this.capabilities_) {
this.getCapabilities_(gmfAuthenticationService.getRolesIds().join(','));
}
if (!this.capabilities_) {
throw new Error('Missing capabilities');
}
this.capabilities_.then(
(resp) => {
if (!this.map) {
throw new Error('Missing map');
}
// make sure the panel is still open
if (!this.active) {
return;
}
this.gmfPrintState_.state = PrintStateEnum.NOT_IN_USE;
// Get capabilities - On success
this.parseCapabilities_(resp);
this.map.addLayer(this.maskLayer_);
if (this.options.defaultLayout) {
this.setLayout(this.options.defaultLayout);
}
this.pointerDragListenerKey_ = listen(this.map, 'pointerdrag', this.onPointerDrag_, this);
this.mapViewResolutionChangeKey_ = listen(
this.map.getView(),
'change:resolution',
/** @type {import('ol/events').ListenerFunction} */
() => {
this.scaleManuallySelected_ = false;
}
);
this.map.render();
},
(resp) => {
// Get capabilities - On error
this.gmfPrintState_.state = PrintStateEnum.ERROR_ON_GETCAPABILITIES;
this.capabilities_ = null;
}
);
} else {
if (!this.map) {
throw new Error('Missing map');
}
this.map.removeLayer(this.maskLayer_);
if (this.pointerDragListenerKey_) {
unlistenByKey(this.pointerDragListenerKey_);
}
if (this.mapViewResolutionChangeKey_) {
unlistenByKey(this.mapViewResolutionChangeKey_);
}
this.setRotation(0);
this.map.render(); // Redraw (remove) post compose mask;
}
}
/**
* Gets the print capabilities.
*
* @param {string} roleId The roles ids.
* @private
*/
getCapabilities_(roleId) {
this.capabilities_ = this.ngeoPrint_.getCapabilities({
withCredentials: true,
params: {
'role': roleId,
'cache_version': this.cacheVersion_,
},
});
}
/**
* Create the list of layouts, get the formats, get the first layout in
* gmf print v3 capabilities and then update the print panel layout information.
*
* @param {angular.IHttpResponse<import('ngeo/print/mapfish-print-v3').MapFishPrintCapabilities>} resp
* Response.
* @private
*/
parseCapabilities_(resp) {
const data = resp.data;
this.formats_ = data.formats || [];
this.layouts_ = data.layouts;
this.layout_ = data.layouts[0];
this.layoutInfo.layouts = [];
this.layouts_.forEach((layout) => {
this.layoutInfo.layouts.push(layout.name);
});
this.smtpSupported = data.smtp && data.smtp.enabled;
this.updateFields_();
}
/**
* Update layout information with the user values if there are always available in the
* current layout otherwise use the defaults values of the layout.
* If a field doesn't exist in the current layout, set it to undefined so the
* view can hide it. Update also the paper size.
* custom print templates).
*
* @private
*/
updateFields_() {
if (!this.map) {
throw new Error('Missing map');
}
if (!this.layout_) {
throw new Error('Missing layout');
}
this.layoutInfo.layout = this.layout_.name;
const mapInfo = this.isAttributeInCurrentLayout_('map');
if (!mapInfo) {
throw new Error('Missing mapInfo');
}
const clientInfo = mapInfo.clientInfo;
if (!clientInfo) {
throw new Error('Missing clientInfo');
}
this.paperSize_ = [clientInfo.width, clientInfo.height];
this.updateCustomFields_();
const fieldValues = this.options.fieldValues || {};
this.layoutInfo.legend = this.layoutInfo.attributes.includes('legend')
? fieldValues['legend'] !== false
: undefined;
this.layoutInfo.scales = clientInfo.scales || [];
this.layoutInfo.dpis = clientInfo.dpiSuggestions || [];
const mapSize = this.map.getSize();
const viewResolution = this.map.getView().getResolution();
this.layoutInfo.scale = this.getOptimalScale_(mapSize, viewResolution);
this.layoutInfo.dpi =
this.layoutInfo.dpi && this.layoutInfo.dpis.indexOf(this.layoutInfo.dpi) > 0
? this.layoutInfo.dpi
: this.layoutInfo.dpis[0];
this.layoutInfo.formats = {};
this.formats_.forEach((format) => {
this.layoutInfo.formats[format] = true;
});
this.attributesOut = this.layoutInfo.simpleAttributes;
// Force the update of the mask
this.map.render();
}
/**
* Update simple attributes information with Customfield to be able to generate a form
* from a custom GMF print v3 configuration.
*
* @private
*/
updateCustomFields_() {
if (!this.layout_) {
throw new Error('Missing layout');
}
if (!this.layoutInfo.simpleAttributes) {
this.layoutInfo.simpleAttributes = [];
}
this.layoutInfo.attributes = [];
const simpleAttributes = this.layoutInfo.simpleAttributes;
const previousAttributes = simpleAttributes.splice(0, simpleAttributes.length);
// The attributes without 'clientParams' are the custom layout information (defined by end user).
this.layout_.attributes.forEach((attribute) => {
this.layoutInfo.attributes.push(attribute.name);
if (!attribute.clientParams) {
const name = `${attribute.name}`;
// Special case for timezone, fill it with browser timezone.
if (name == 'timezone') {
this.layoutInfo.simpleAttributes.push({
name: 'timezone',
type: 'text',
value: Intl.DateTimeFormat().resolvedOptions().timeZone,
});
return;
}
const defaultValue = attribute.default;
/** @type {string} */
let value =
defaultValue !== undefined && defaultValue !== ''
? `${defaultValue}`
: name in (this.options.fieldValues || {})
? `${this.options.fieldValues[name]}`
: '';
// Try to use existing form field type
const rawType = `${attribute.type}`;
/** @type {string} */
let type;
switch (rawType) {
case 'String':
type = name === 'comments' ? 'textarea' : 'text';
break;
case 'Boolean':
type = 'checkbox';
break;
case 'Number':
type = 'number';
const numberValue = parseFloat(value);
value = isNaN(numberValue) ? '0' : `${value}`;
break;
default:
type = rawType;
}
// If it exists use the value of previous same field.
previousAttributes.forEach((c) => {
if (c.name === name && c.type === type) {
value = c.value;
return value;
}
});
this.layoutInfo.simpleAttributes.push({
name,
type,
value: value,
});
}
});
}
/**
* Return a capabilities 'attribute' object corresponding to the given name.
*
* @param {string} name Name of the attribute to get.
* @returns {?import('ngeo/print/mapfish-print-v3').MapFishPrintCapabilitiesLayoutAttribute} corresponding attribute or null.
* @private
*/
isAttributeInCurrentLayout_(name) {
if (!this.layout_) {
throw new Error('Missing layout');
}
let attr = null;
this.layout_.attributes.forEach((attribute) => {
if (attribute.name === name) {
attr = attribute;
return attribute;
}
});
return attr;
}
/**
* Set the current rotation value.
* Updating the rotation will redraw the mask or rotate the map (depending on the configuration).
*
* @param {number} rotation The optional new rotation value in degrees.
*/
setRotation(rotation) {
if (!this.map) {
throw new Error('Missing map');
}
this.updateRotation_(rotation);
// Render the map to update the postcompose mask or rotate the map.
if (this.options.rotateMask) {
this.map.render();
} else {
this.map.getView().setRotation(toRadians(this.rotation));
}
}
/**
* Set the current rotation value.
*
* @param {number} rotation The optional new rotation value in degrees.
*/
updateRotation_(rotation) {
this.rotation = clamp(rotation, -180, 180);
// sync all the inputs
this.rotationInput_.val(this.rotation.toString());
}
/**
* Calculate the angle and the sense of rotation between two lines. One from the
* center of the map and the point of the last call to this function and one
* from the same center and the point of the current call.
*
* @param {Event|import('ol/events/Event').default} e An ol map browser pointer event.
* @private
*/
onPointerDrag_(e) {
if (e instanceof MapBrowserEvent && this.onDragPreviousMousePosition_ && this.map) {
const originalEvent = e.originalEvent;
if (originalEvent instanceof KeyboardEvent) {
const mapCenter = this.map.getView().getCenter();
if (this.active && originalEvent.altKey && originalEvent.shiftKey && mapCenter) {
const center = this.map.getPixelFromCoordinate(mapCenter);
const pixel = e.pixel;
// Reset previous position between two different sessions of drags events.
if (this.rotationTimeoutPromise_ === null) {
this.onDragPreviousMousePosition_ = null;
} else {
// Cancel the timeout to keep this session of drags event
this.$timeout_.cancel(this.rotationTimeoutPromise_);
// Calculate angle and sense of rotation.
const p0x = this.onDragPreviousMousePosition_[0] - center[0];
const p0y = this.onDragPreviousMousePosition_[1] - center[1];
const p1x = pixel[0] - center[0];
const p1y = pixel[1] - center[1];
const centerToP0 = Math.sqrt(Math.pow(p0x, 2) + Math.pow(p0y, 2));
const centerToP1 = Math.sqrt(Math.pow(p1x, 2) + Math.pow(p1y, 2));
const sense = p0x * p1y - p0y * p1x > 0 ? 1 : -1;
let angle = (p0x * p1x + p0y * p1y) / (centerToP0 * centerToP1);
angle = angle <= 1 ? sense * Math.acos(angle) : 0;
const boost = centerToP1 / 200;
const increment = Math.round(toDegrees(angle) * boost);
// Set rotation then update the view.
this.setRotation(this.rotation + increment);
this.$scope_.$digest();
}
// Prepare the removal of this session of drags events
this.rotationTimeoutPromise_ = this.$timeout_(() => {
this.rotationTimeoutPromise_ = null;
}, 500);
// Keep the current position for the next calculation.
this.onDragPreviousMousePosition_ = pixel;
}
}
}
}
/**
* Create a print report based on the values of the 'layoutInfo' values.
*
* @param {string} format An output format corresponding to one format in the
* capabilities document ('pdf', 'png', etc).
*/
print(format) {
if (!this.map) {
throw new Error('Missing map');
}
if (!this.ogcServers_) {
throw new Error('Missing ogcServers_');
}
// Do not print if a print task is already processing.
if (this.gmfPrintState_.state === PrintStateEnum.PRINTING) {
return;
}
this.requestCanceler_ = this.$q_.defer();