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hack to make it work.

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This commit is contained in:
John McLear 2020-12-28 12:33:44 +00:00
parent cc040cc733
commit f225574d25
1 changed files with 15 additions and 20 deletions
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35
tests/frontend/lib/bililiteRange.js
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@ -1,15 +1,11 @@
'use strict';
let bililiteRange; // create one global variable
(function(){
const datakey = Symbol(); // use as the key to modify elements.
bililiteRange = function(el){
var ret;
if (el.setSelectionRange){
// Element is an input or textarea
// Element is an input or textarea
// note that some input elements do not allow selections
try{
el.selectionStart = el.selectionStart;
@ -26,16 +22,16 @@ bililiteRange = function(el){
ret._doc = el.ownerDocument;
ret._win = ret._doc.defaultView;
ret._bounds = [0, ret.length];
// selection tracking. We want clicks to set the selection to the clicked location but tabbing in or element.focus() should restore
// the selection to what it was.
// There's no good way to do this. I just assume that a mousedown (or a drag and drop
// into the element) within 100 ms of the focus event must have caused the focus, and
// therefore we should not restore the selection.
if (!(el[datakey])){ // we haven't processed this element yet
if (!(el[datakey])){ // we haven't processed this element yet
const data = createDataObject (el);
startupHooks.forEach ( hook => hook (el, ret, data) );
}
}
return ret;
}
@ -49,7 +45,7 @@ startupHooks.add (correctNewlines);
function trackSelection (element, range, data){
data.selection = [0,0];
range.listen('focusout', evt => data.selection = range._nativeSelection() );
range.listen('focusout', evt => data.selection = range._nativeSelection() );
range.listen('mousedown', evt => data.mousetime = evt.timeStamp );
range.listen('drop', evt => data.mousetime = evt.timeStamp );
range.listen('focus', evt => {
@ -63,7 +59,7 @@ function fixInputEvents (element, range, data){
// have a data field with the text inserted, but thatisn't enough to fully describe the change;
// we need to know the old text (or at least its length)
// and *where* the new text was inserted.
// So we enhance input events with that information.
// So we enhance input events with that information.
// the "newText" should always be the same as the 'data' field, if it is defined
data.oldText = range.all();
data.liveRanges = new Set();
@ -77,7 +73,7 @@ function fixInputEvents (element, range, data){
}
}
data.oldText = newText;
// Also update live ranges on this element
data.liveRanges.forEach( rng => {
const start = evt.bililiteRange.start;
@ -99,7 +95,7 @@ function fixInputEvents (element, range, data){
}else{
b1 = start;
}
rng.bounds([b0, b1]);
rng.bounds([b0, b1]);
})
});
}
@ -181,7 +177,7 @@ function inputEventInit(type, oldText, newText, start, inputType){
// base class
function Range(){}
Range.prototype = {
// allow use of range[0] and range[1] for start and end of bounds
// allow use of range[0] and range[1] for start and end of bounds
get 0(){
return this.bounds()[0];
},
@ -457,7 +453,7 @@ W3CRange.prototype._nativeRange = function (bounds){
rng.collapse (true);
w3cmoveBoundary (rng, bounds[1]-bounds[0], false, this._el);
}
return rng;
return rng;
};
W3CRange.prototype._nativeSelect = function (rng){
this._win.getSelection().removeAllRanges();
@ -556,11 +552,11 @@ var START_TO_END = 1;
var END_TO_END = 2;
var END_TO_START = 3;
// from the Mozilla documentation, for range.compareBoundaryPoints(how, sourceRange)
// -1, 0, or 1, indicating whether the corresponding boundary-point of range is respectively before, equal to, or after the corresponding boundary-point of sourceRange.
// -1, 0, or 1, indicating whether the corresponding boundary-point of range is respectively before, equal to, or after the corresponding boundary-point of sourceRange.
// * Range.END_TO_END compares the end boundary-point of sourceRange to the end boundary-point of range.
// * Range.END_TO_START compares the end boundary-point of sourceRange to the start boundary-point of range.
// * Range.START_TO_END compares the start boundary-point of sourceRange to the end boundary-point of range.
// * Range.START_TO_START compares the start boundary-point of sourceRange to the start boundary-point of range.
// * Range.START_TO_START compares the start boundary-point of sourceRange to the start boundary-point of range.
function w3cstart(rng, constraint){
if (rng.compareBoundaryPoints (START_TO_START, constraint) <= 0) return 0; // at or before the beginning
if (rng.compareBoundaryPoints (END_TO_START, constraint) >= 0) return constraint.toString().length;
@ -610,7 +606,7 @@ function signalMonitor(prop, value, element){
const attr = `data-${prop}`;
element.dispatchEvent(new CustomEvent(attr, {bubbles: true, detail: value}));
try{
element.setAttribute (attr, value); // illegal attribute names will throw. Ignore it
element.setAttribute (attr, value); // illegal attribute names will throw. Ignore it
} finally { /* ignore */ }
}
@ -619,7 +615,7 @@ function createDataObject (el){
set(obj, prop, value) {
obj[prop] = value;
if (monitored.has(prop)) signalMonitor(prop, value, obj.sourceElement);
return true; // in strict mode, 'set' returns a success flag
return true; // in strict mode, 'set' returns a success flag
}
});
}
@ -666,4 +662,3 @@ bililiteRange.createOption = function (name, desc = {}){
}
})();