ngx-text-editor-angular
Version:
WYSIWYG Editor for Angular 2+
343 lines (336 loc) • 13.8 kB
JavaScript
(window["webpackJsonp"] = window["webpackJsonp"] || []).push([["input-shims-a4fc53ac-js"],{
/***/ "./node_modules/@ionic/core/dist/esm-es5/input-shims-a4fc53ac.js":
/*!***********************************************************************!*\
!*** ./node_modules/@ionic/core/dist/esm-es5/input-shims-a4fc53ac.js ***!
\***********************************************************************/
/*! exports provided: startInputShims */
/***/ (function(module, __webpack_exports__, __webpack_require__) {
;
__webpack_require__.r(__webpack_exports__);
/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "startInputShims", function() { return startInputShims; });
/* harmony import */ var _helpers_46f4a262_js__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./helpers-46f4a262.js */ "./node_modules/@ionic/core/dist/esm-es5/helpers-46f4a262.js");
var cloneMap = new WeakMap();
var relocateInput = function (componentEl, inputEl, shouldRelocate, inputRelativeY) {
if (inputRelativeY === void 0) { inputRelativeY = 0; }
if (cloneMap.has(componentEl) === shouldRelocate) {
return;
}
if (shouldRelocate) {
addClone(componentEl, inputEl, inputRelativeY);
}
else {
removeClone(componentEl, inputEl);
}
};
var isFocused = function (input) {
return input === input.getRootNode().activeElement;
};
var addClone = function (componentEl, inputEl, inputRelativeY) {
// this allows for the actual input to receive the focus from
// the user's touch event, but before it receives focus, it
// moves the actual input to a location that will not screw
// up the app's layout, and does not allow the native browser
// to attempt to scroll the input into place (messing up headers/footers)
// the cloned input fills the area of where native input should be
// while the native input fakes out the browser by relocating itself
// before it receives the actual focus event
// We hide the focused input (with the visible caret) invisible by making it scale(0),
var parentEl = inputEl.parentNode;
// DOM WRITES
var clonedEl = inputEl.cloneNode(false);
clonedEl.classList.add('cloned-input');
clonedEl.tabIndex = -1;
parentEl.appendChild(clonedEl);
cloneMap.set(componentEl, clonedEl);
var doc = componentEl.ownerDocument;
var tx = doc.dir === 'rtl' ? 9999 : -9999;
componentEl.style.pointerEvents = 'none';
inputEl.style.transform = "translate3d(" + tx + "px," + inputRelativeY + "px,0) scale(0)";
};
var removeClone = function (componentEl, inputEl) {
var clone = cloneMap.get(componentEl);
if (clone) {
cloneMap.delete(componentEl);
clone.remove();
}
componentEl.style.pointerEvents = '';
inputEl.style.transform = '';
};
var enableHideCaretOnScroll = function (componentEl, inputEl, scrollEl) {
if (!scrollEl || !inputEl) {
return function () { return; };
}
var scrollHideCaret = function (shouldHideCaret) {
if (isFocused(inputEl)) {
relocateInput(componentEl, inputEl, shouldHideCaret);
}
};
var onBlur = function () { return relocateInput(componentEl, inputEl, false); };
var hideCaret = function () { return scrollHideCaret(true); };
var showCaret = function () { return scrollHideCaret(false); };
scrollEl.addEventListener('ionScrollStart', hideCaret);
scrollEl.addEventListener('ionScrollEnd', showCaret);
inputEl.addEventListener('blur', onBlur);
return function () {
scrollEl.removeEventListener('ionScrollStart', hideCaret);
scrollEl.removeEventListener('ionScrollEnd', showCaret);
inputEl.addEventListener('ionBlur', onBlur);
};
};
var SKIP_SELECTOR = 'input, textarea, [no-blur]';
var enableInputBlurring = function () {
var focused = true;
var didScroll = false;
var doc = document;
var onScroll = function () {
didScroll = true;
};
var onFocusin = function () {
focused = true;
};
var onTouchend = function (ev) {
// if app did scroll return early
if (didScroll) {
didScroll = false;
return;
}
var active = doc.activeElement;
if (!active) {
return;
}
// only blur if the active element is a text-input or a textarea
if (active.matches(SKIP_SELECTOR)) {
return;
}
// if the selected target is the active element, do not blur
var tapped = ev.target;
if (tapped === active) {
return;
}
if (tapped.matches(SKIP_SELECTOR) || tapped.closest(SKIP_SELECTOR)) {
return;
}
focused = false;
// TODO: find a better way, why 50ms?
setTimeout(function () {
if (!focused) {
active.blur();
}
}, 50);
};
doc.addEventListener('ionScrollStart', onScroll);
doc.addEventListener('focusin', onFocusin, true);
doc.addEventListener('touchend', onTouchend, false);
return function () {
doc.removeEventListener('ionScrollStart', onScroll, true);
doc.removeEventListener('focusin', onFocusin, true);
doc.removeEventListener('touchend', onTouchend, false);
};
};
var SCROLL_ASSIST_SPEED = 0.3;
var getScrollData = function (componentEl, contentEl, keyboardHeight) {
var itemEl = componentEl.closest('ion-item,[ion-item]') || componentEl;
return calcScrollData(itemEl.getBoundingClientRect(), contentEl.getBoundingClientRect(), keyboardHeight, componentEl.ownerDocument.defaultView.innerHeight);
};
var calcScrollData = function (inputRect, contentRect, keyboardHeight, platformHeight) {
// compute input's Y values relative to the body
var inputTop = inputRect.top;
var inputBottom = inputRect.bottom;
// compute visible area
var visibleAreaTop = contentRect.top;
var visibleAreaBottom = Math.min(contentRect.bottom, platformHeight - keyboardHeight);
// compute safe area
var safeAreaTop = visibleAreaTop + 15;
var safeAreaBottom = visibleAreaBottom * 0.5;
// figure out if each edge of the input is within the safe area
var distanceToBottom = safeAreaBottom - inputBottom;
var distanceToTop = safeAreaTop - inputTop;
// desiredScrollAmount is the negated distance to the safe area according to our calculations.
var desiredScrollAmount = Math.round((distanceToBottom < 0)
? -distanceToBottom
: (distanceToTop > 0)
? -distanceToTop
: 0);
// our calculations make some assumptions that aren't always true, like the keyboard being closed when an input
// gets focus, so make sure we don't scroll the input above the visible area
var scrollAmount = Math.min(desiredScrollAmount, inputTop - visibleAreaTop);
var distance = Math.abs(scrollAmount);
var duration = distance / SCROLL_ASSIST_SPEED;
var scrollDuration = Math.min(400, Math.max(150, duration));
return {
scrollAmount: scrollAmount,
scrollDuration: scrollDuration,
scrollPadding: keyboardHeight,
inputSafeY: -(inputTop - safeAreaTop) + 4
};
};
var enableScrollAssist = function (componentEl, inputEl, contentEl, keyboardHeight) {
var coord;
var touchStart = function (ev) {
coord = Object(_helpers_46f4a262_js__WEBPACK_IMPORTED_MODULE_0__["p"])(ev);
};
var touchEnd = function (ev) {
// input cover touchend/mouseup
if (!coord) {
return;
}
// get where the touchend/mouseup ended
var endCoord = Object(_helpers_46f4a262_js__WEBPACK_IMPORTED_MODULE_0__["p"])(ev);
// focus this input if the pointer hasn't moved XX pixels
// and the input doesn't already have focus
if (!hasPointerMoved(6, coord, endCoord) && !isFocused(inputEl)) {
ev.preventDefault();
ev.stopPropagation();
// begin the input focus process
jsSetFocus(componentEl, inputEl, contentEl, keyboardHeight);
}
};
componentEl.addEventListener('touchstart', touchStart, true);
componentEl.addEventListener('touchend', touchEnd, true);
return function () {
componentEl.removeEventListener('touchstart', touchStart, true);
componentEl.removeEventListener('touchend', touchEnd, true);
};
};
var jsSetFocus = function (componentEl, inputEl, contentEl, keyboardHeight) {
var scrollData = getScrollData(componentEl, contentEl, keyboardHeight);
if (Math.abs(scrollData.scrollAmount) < 4) {
// the text input is in a safe position that doesn't
// require it to be scrolled into view, just set focus now
inputEl.focus();
return;
}
// temporarily move the focus to the focus holder so the browser
// doesn't freak out while it's trying to get the input in place
// at this point the native text input still does not have focus
relocateInput(componentEl, inputEl, true, scrollData.inputSafeY);
inputEl.focus();
// scroll the input into place
contentEl.scrollByPoint(0, scrollData.scrollAmount, scrollData.scrollDuration).then(function () {
// the scroll view is in the correct position now
// give the native text input focus
relocateInput(componentEl, inputEl, false, scrollData.inputSafeY);
// ensure this is the focused input
inputEl.focus();
});
};
var hasPointerMoved = function (threshold, startCoord, endCoord) {
if (startCoord && endCoord) {
var deltaX = (startCoord.x - endCoord.x);
var deltaY = (startCoord.y - endCoord.y);
var distance = deltaX * deltaX + deltaY * deltaY;
return distance > (threshold * threshold);
}
return false;
};
var PADDING_TIMER_KEY = '$ionPaddingTimer';
var enableScrollPadding = function (keyboardHeight) {
var doc = document;
var onFocusin = function (ev) {
setScrollPadding(ev.target, keyboardHeight);
};
var onFocusout = function (ev) {
setScrollPadding(ev.target, 0);
};
doc.addEventListener('focusin', onFocusin);
doc.addEventListener('focusout', onFocusout);
return function () {
doc.removeEventListener('focusin', onFocusin);
doc.removeEventListener('focusout', onFocusout);
};
};
var setScrollPadding = function (input, keyboardHeight) {
if (input.tagName !== 'INPUT') {
return;
}
if (input.parentElement && input.parentElement.tagName === 'ION-INPUT') {
return;
}
if (input.parentElement &&
input.parentElement.parentElement &&
input.parentElement.parentElement.tagName === 'ION-SEARCHBAR') {
return;
}
var el = input.closest('ion-content');
if (el === null) {
return;
}
var timer = el[PADDING_TIMER_KEY];
if (timer) {
clearTimeout(timer);
}
if (keyboardHeight > 0) {
el.style.setProperty('--keyboard-offset', keyboardHeight + "px");
}
else {
el[PADDING_TIMER_KEY] = setTimeout(function () {
el.style.setProperty('--keyboard-offset', '0px');
}, 120);
}
};
var INPUT_BLURRING = true;
var SCROLL_PADDING = true;
var startInputShims = function (config) {
var doc = document;
var keyboardHeight = config.getNumber('keyboardHeight', 290);
var scrollAssist = config.getBoolean('scrollAssist', true);
var hideCaret = config.getBoolean('hideCaretOnScroll', true);
var inputBlurring = config.getBoolean('inputBlurring', true);
var scrollPadding = config.getBoolean('scrollPadding', true);
var inputs = Array.from(doc.querySelectorAll('ion-input, ion-textarea'));
var hideCaretMap = new WeakMap();
var scrollAssistMap = new WeakMap();
var registerInput = function (componentEl) {
var inputEl = (componentEl.shadowRoot || componentEl).querySelector('input') || (componentEl.shadowRoot || componentEl).querySelector('textarea');
var scrollEl = componentEl.closest('ion-content');
if (!inputEl) {
return;
}
if (!!scrollEl && hideCaret && !hideCaretMap.has(componentEl)) {
var rmFn = enableHideCaretOnScroll(componentEl, inputEl, scrollEl);
hideCaretMap.set(componentEl, rmFn);
}
if (!!scrollEl && scrollAssist && !scrollAssistMap.has(componentEl)) {
var rmFn = enableScrollAssist(componentEl, inputEl, scrollEl, keyboardHeight);
scrollAssistMap.set(componentEl, rmFn);
}
};
var unregisterInput = function (componentEl) {
if (hideCaret) {
var fn = hideCaretMap.get(componentEl);
if (fn) {
fn();
}
hideCaretMap.delete(componentEl);
}
if (scrollAssist) {
var fn = scrollAssistMap.get(componentEl);
if (fn) {
fn();
}
scrollAssistMap.delete(componentEl);
}
};
if (inputBlurring && INPUT_BLURRING) {
enableInputBlurring();
}
if (scrollPadding && SCROLL_PADDING) {
enableScrollPadding(keyboardHeight);
}
// Input might be already loaded in the DOM before ion-device-hacks did.
// At this point we need to look for all of the inputs not registered yet
// and register them.
for (var _i = 0, inputs_1 = inputs; _i < inputs_1.length; _i++) {
var input = inputs_1[_i];
registerInput(input);
}
doc.addEventListener('ionInputDidLoad', (function (ev) {
registerInput(ev.detail);
}));
doc.addEventListener('ionInputDidUnload', (function (ev) {
unregisterInput(ev.detail);
}));
};
/***/ })
}]);
//# sourceMappingURL=input-shims-a4fc53ac-js.js.map