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buildModuleUrl,
defined,
destroyObject,
DeveloperError,
FeatureDetection,
getElement,
} from "@cesium/engine";
import knockout from "../ThirdParty/knockout.js";
import NavigationHelpButtonViewModel from "./NavigationHelpButtonViewModel.js";
/**
* <p>The NavigationHelpButton is a single button widget for displaying instructions for
* navigating the globe with the mouse.</p><p style="clear: both;"></p><br/>
*
* @alias NavigationHelpButton
* @constructor
*
* @param {object} options Object with the following properties:
* @param {Element|string} options.container The DOM element or ID that will contain the widget.
* @param {boolean} [options.instructionsInitiallyVisible=false] True if the navigation instructions should initially be visible; otherwise, false.
*
* @exception {DeveloperError} Element with id "container" does not exist in the document.
*
* @example
* // In HTML head, include a link to the NavigationHelpButton.css stylesheet,
* // and in the body, include: <div id="navigationHelpButtonContainer"></div>
*
* const navigationHelpButton = new Cesium.NavigationHelpButton({
* container : 'navigationHelpButtonContainer'
* });
*/
function NavigationHelpButton(options) {
//>>includeStart('debug', pragmas.debug);
if (!defined(options) || !defined(options.container)) {
throw new DeveloperError("options.container is required.");
}
//>>includeEnd('debug');
const container = getElement(options.container);
const viewModel = new NavigationHelpButtonViewModel();
const showInsructionsDefault = options.instructionsInitiallyVisible ?? false;
viewModel.showInstructions = showInsructionsDefault;
viewModel._svgPath =
"M16,1.466C7.973,1.466,1.466,7.973,1.466,16c0,8.027,6.507,14.534,14.534,14.534c8.027,0,14.534-6.507,14.534-14.534C30.534,7.973,24.027,1.466,16,1.466z M17.328,24.371h-2.707v-2.596h2.707V24.371zM17.328,19.003v0.858h-2.707v-1.057c0-3.19,3.63-3.696,3.63-5.963c0-1.034-0.924-1.826-2.134-1.826c-1.254,0-2.354,0.924-2.354,0.924l-1.541-1.915c0,0,1.519-1.584,4.137-1.584c2.487,0,4.796,1.54,4.796,4.136C21.156,16.208,17.328,16.627,17.328,19.003z";
const wrapper = document.createElement("span");
wrapper.className = "cesium-navigationHelpButton-wrapper";
container.appendChild(wrapper);
const button = document.createElement("button");
button.type = "button";
button.className =
"cesium-button cesium-toolbar-button cesium-navigation-help-button";
button.setAttribute(
"data-bind",
"\
attr: { title: tooltip },\
click: command,\
cesiumSvgPath: { path: _svgPath, width: 32, height: 32 }",
);
wrapper.appendChild(button);
const instructionContainer = document.createElement("div");
instructionContainer.className = "cesium-navigation-help";
instructionContainer.setAttribute(
"data-bind",
'css: { "cesium-navigation-help-visible" : showInstructions}',
);
wrapper.appendChild(instructionContainer);
const mouseButton = document.createElement("button");
mouseButton.type = "button";
mouseButton.className =
"cesium-navigation-button cesium-navigation-button-left";
mouseButton.setAttribute(
"data-bind",
'click: showClick, css: {"cesium-navigation-button-selected": !_touch, "cesium-navigation-button-unselected": _touch}',
);
const mouseIcon = document.createElement("img");
mouseIcon.src = buildModuleUrl("Widgets/Images/NavigationHelp/Mouse.svg");
mouseIcon.className = "cesium-navigation-button-icon";
mouseIcon.style.width = "25px";
mouseIcon.style.height = "25px";
mouseButton.appendChild(mouseIcon);
mouseButton.appendChild(document.createTextNode("Mouse"));
const touchButton = document.createElement("button");
touchButton.type = "button";
touchButton.className =
"cesium-navigation-button cesium-navigation-button-right";
touchButton.setAttribute(
"data-bind",
'click: showTouch, css: {"cesium-navigation-button-selected": _touch, "cesium-navigation-button-unselected": !_touch}',
);
const touchIcon = document.createElement("img");
touchIcon.src = buildModuleUrl("Widgets/Images/NavigationHelp/Touch.svg");
touchIcon.className = "cesium-navigation-button-icon";
touchIcon.style.width = "25px";
touchIcon.style.height = "25px";
touchButton.appendChild(touchIcon);
touchButton.appendChild(document.createTextNode("Touch"));
instructionContainer.appendChild(mouseButton);
instructionContainer.appendChild(touchButton);
const clickInstructions = document.createElement("div");
clickInstructions.className =
"cesium-click-navigation-help cesium-navigation-help-instructions";
clickInstructions.setAttribute(
"data-bind",
'css: { "cesium-click-navigation-help-visible" : !_touch}',
);
clickInstructions.innerHTML = `\
<table>\
<tr>\
<td><img src="${buildModuleUrl(
"Widgets/Images/NavigationHelp/MouseLeft.svg",
)}" width="48" height="48" /></td>\
<td>\
<div class="cesium-navigation-help-pan">Pan view</div>\
<div class="cesium-navigation-help-details">Left click + drag</div>\
</td>\
</tr>\
<tr>\
<td><img src="${buildModuleUrl(
"Widgets/Images/NavigationHelp/MouseRight.svg",
)}" width="48" height="48" /></td>\
<td>\
<div class="cesium-navigation-help-zoom">Zoom view</div>\
<div class="cesium-navigation-help-details">Right click + drag, or</div>\
<div class="cesium-navigation-help-details">Mouse wheel scroll</div>\
</td>\
</tr>\
<tr>\
<td><img src="${buildModuleUrl(
"Widgets/Images/NavigationHelp/MouseMiddle.svg",
)}" width="48" height="48" /></td>\
<td>\
<div class="cesium-navigation-help-rotate">Rotate view</div>\
<div class="cesium-navigation-help-details">Middle click + drag, or</div>\
<div class="cesium-navigation-help-details">CTRL + Left/Right click + drag</div>\
</td>\
</tr>\
</table>`;
instructionContainer.appendChild(clickInstructions);
const touchInstructions = document.createElement("div");
touchInstructions.className =
"cesium-touch-navigation-help cesium-navigation-help-instructions";
touchInstructions.setAttribute(
"data-bind",
'css: { "cesium-touch-navigation-help-visible" : _touch}',
);
touchInstructions.innerHTML = `\
<table>\
<tr>\
<td><img src="${buildModuleUrl(
"Widgets/Images/NavigationHelp/TouchDrag.svg",
)}" width="70" height="48" /></td>\
<td>\
<div class="cesium-navigation-help-pan">Pan view</div>\
<div class="cesium-navigation-help-details">One finger drag</div>\
</td>\
</tr>\
<tr>\
<td><img src="${buildModuleUrl(
"Widgets/Images/NavigationHelp/TouchZoom.svg",
)}" width="70" height="48" /></td>\
<td>\
<div class="cesium-navigation-help-zoom">Zoom view</div>\
<div class="cesium-navigation-help-details">Two finger pinch</div>\
</td>\
</tr>\
<tr>\
<td><img src="${buildModuleUrl(
"Widgets/Images/NavigationHelp/TouchTilt.svg",
)}" width="70" height="48" /></td>\
<td>\
<div class="cesium-navigation-help-rotate">Tilt view</div>\
<div class="cesium-navigation-help-details">Two finger drag, same direction</div>\
</td>\
</tr>\
<tr>\
<td><img src="${buildModuleUrl(
"Widgets/Images/NavigationHelp/TouchRotate.svg",
)}" width="70" height="48" /></td>\
<td>\
<div class="cesium-navigation-help-tilt">Rotate view</div>\
<div class="cesium-navigation-help-details">Two finger drag, opposite direction</div>\
</td>\
</tr>\
</table>`;
instructionContainer.appendChild(touchInstructions);
knockout.applyBindings(viewModel, wrapper);
this._container = container;
this._viewModel = viewModel;
this._wrapper = wrapper;
this._closeInstructions = function (e) {
if (!wrapper.contains(e.target)) {
viewModel.showInstructions = false;
}
};
Iif (FeatureDetection.supportsPointerEvents()) {
document.addEventListener("pointerdown", this._closeInstructions, true);
} else {
document.addEventListener("mousedown", this._closeInstructions, true);
document.addEventListener("touchstart", this._closeInstructions, true);
}
}
Object.defineProperties(NavigationHelpButton.prototype, {
/**
* Gets the parent container.
* @memberof NavigationHelpButton.prototype
*
* @type {Element}
*/
container: {
get: function () {
return this._container;
},
},
/**
* Gets the view model.
* @memberof NavigationHelpButton.prototype
*
* @type {NavigationHelpButtonViewModel}
*/
viewModel: {
get: function () {
return this._viewModel;
},
},
});
/**
* @returns {boolean} true if the object has been destroyed, false otherwise.
*/
NavigationHelpButton.prototype.isDestroyed = function () {
return false;
};
/**
* Destroys the widget. Should be called if permanently
* removing the widget from layout.
*/
NavigationHelpButton.prototype.destroy = function () {
Iif (FeatureDetection.supportsPointerEvents()) {
document.removeEventListener("pointerdown", this._closeInstructions, true);
} else {
document.removeEventListener("mousedown", this._closeInstructions, true);
document.removeEventListener("touchstart", this._closeInstructions, true);
}
knockout.cleanNode(this._wrapper);
this._container.removeChild(this._wrapper);
return destroyObject(this);
};
export default NavigationHelpButton;
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