Merge pull request #8297 from timvandermeij/es6-find-bar

Convert the find bar to ES6 syntax
This commit is contained in:
Tim van der Meij 2017-04-16 23:46:25 +02:00 committed by GitHub
commit bd0e4dc4e3

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@ -22,9 +22,10 @@ import { mozL10n } from './ui_utils';
* also sets up the appropriate events for the controls. Actual searching
* is done by PDFFindController.
*/
var PDFFindBar = (function PDFFindBarClosure() {
function PDFFindBar(options) {
class PDFFindBar {
constructor(options) {
this.opened = false;
this.bar = options.bar || null;
this.toggleButton = options.toggleButton || null;
this.findField = options.findField || null;
@ -44,182 +45,175 @@ var PDFFindBar = (function PDFFindBarClosure() {
}
// Add event listeners to the DOM elements.
var self = this;
this.toggleButton.addEventListener('click', function() {
self.toggle();
this.toggleButton.addEventListener('click', () => {
this.toggle();
});
this.findField.addEventListener('input', function() {
self.dispatchEvent('');
this.findField.addEventListener('input', () => {
this.dispatchEvent('');
});
this.bar.addEventListener('keydown', function(evt) {
switch (evt.keyCode) {
this.bar.addEventListener('keydown', (e) => {
switch (e.keyCode) {
case 13: // Enter
if (evt.target === self.findField) {
self.dispatchEvent('again', evt.shiftKey);
if (e.target === this.findField) {
this.dispatchEvent('again', e.shiftKey);
}
break;
case 27: // Escape
self.close();
this.close();
break;
}
});
this.findPreviousButton.addEventListener('click', function() {
self.dispatchEvent('again', true);
this.findPreviousButton.addEventListener('click', () => {
this.dispatchEvent('again', true);
});
this.findNextButton.addEventListener('click', function() {
self.dispatchEvent('again', false);
this.findNextButton.addEventListener('click', () => {
this.dispatchEvent('again', false);
});
this.highlightAll.addEventListener('click', function() {
self.dispatchEvent('highlightallchange');
this.highlightAll.addEventListener('click', () => {
this.dispatchEvent('highlightallchange');
});
this.caseSensitive.addEventListener('click', function() {
self.dispatchEvent('casesensitivitychange');
this.caseSensitive.addEventListener('click', () => {
this.dispatchEvent('casesensitivitychange');
});
this.eventBus.on('resize', this._adjustWidth.bind(this));
}
PDFFindBar.prototype = {
reset: function PDFFindBar_reset() {
this.updateUIState();
},
reset() {
this.updateUIState();
}
dispatchEvent: function PDFFindBar_dispatchEvent(type, findPrev) {
this.eventBus.dispatch('find', {
source: this,
type: type,
query: this.findField.value,
caseSensitive: this.caseSensitive.checked,
phraseSearch: true,
highlightAll: this.highlightAll.checked,
findPrevious: findPrev
});
},
dispatchEvent(type, findPrev) {
this.eventBus.dispatch('find', {
source: this,
type,
query: this.findField.value,
caseSensitive: this.caseSensitive.checked,
phraseSearch: true,
highlightAll: this.highlightAll.checked,
findPrevious: findPrev,
});
}
updateUIState:
function PDFFindBar_updateUIState(state, previous, matchCount) {
var notFound = false;
var findMsg = '';
var status = '';
updateUIState(state, previous, matchCount) {
var notFound = false;
var findMsg = '';
var status = '';
switch (state) {
case FindStates.FIND_FOUND:
break;
switch (state) {
case FindStates.FIND_FOUND:
break;
case FindStates.FIND_PENDING:
status = 'pending';
break;
case FindStates.FIND_PENDING:
status = 'pending';
break;
case FindStates.FIND_NOTFOUND:
findMsg = mozL10n.get('find_not_found', null, 'Phrase not found');
notFound = true;
break;
case FindStates.FIND_NOTFOUND:
findMsg = mozL10n.get('find_not_found', null, 'Phrase not found');
notFound = true;
break;
case FindStates.FIND_WRAPPED:
if (previous) {
findMsg = mozL10n.get('find_reached_top', null,
'Reached top of document, continued from bottom');
} else {
findMsg = mozL10n.get('find_reached_bottom', null,
'Reached end of document, continued from top');
}
break;
}
case FindStates.FIND_WRAPPED:
if (previous) {
findMsg = mozL10n.get('find_reached_top', null,
'Reached top of document, continued from bottom');
} else {
findMsg = mozL10n.get('find_reached_bottom', null,
'Reached end of document, continued from top');
}
break;
}
if (notFound) {
this.findField.classList.add('notFound');
} else {
this.findField.classList.remove('notFound');
}
if (notFound) {
this.findField.classList.add('notFound');
} else {
this.findField.classList.remove('notFound');
}
this.findField.setAttribute('data-status', status);
this.findMsg.textContent = findMsg;
this.findField.setAttribute('data-status', status);
this.findMsg.textContent = findMsg;
this.updateResultsCount(matchCount);
this._adjustWidth();
},
this.updateResultsCount(matchCount);
this._adjustWidth();
}
updateResultsCount: function(matchCount) {
if (!this.findResultsCount) {
return; // no UI control is provided
}
updateResultsCount(matchCount) {
if (!this.findResultsCount) {
return; // No UI control is provided.
}
// If there are no matches, hide the counter
if (!matchCount) {
this.findResultsCount.classList.add('hidden');
return;
}
// If there are no matches, hide the counter.
if (!matchCount) {
this.findResultsCount.classList.add('hidden');
return;
}
// Create the match counter
this.findResultsCount.textContent = matchCount.toLocaleString();
// Create and show the match counter.
this.findResultsCount.textContent = matchCount.toLocaleString();
this.findResultsCount.classList.remove('hidden');
}
// Show the counter
this.findResultsCount.classList.remove('hidden');
},
open() {
if (!this.opened) {
this.opened = true;
this.toggleButton.classList.add('toggled');
this.bar.classList.remove('hidden');
}
this.findField.select();
this.findField.focus();
open: function PDFFindBar_open() {
if (!this.opened) {
this.opened = true;
this.toggleButton.classList.add('toggled');
this.bar.classList.remove('hidden');
}
this.findField.select();
this.findField.focus();
this._adjustWidth();
}
this._adjustWidth();
},
close() {
if (!this.opened) {
return;
}
this.opened = false;
this.toggleButton.classList.remove('toggled');
this.bar.classList.add('hidden');
this.findController.active = false;
}
close: function PDFFindBar_close() {
if (!this.opened) {
return;
}
this.opened = false;
this.toggleButton.classList.remove('toggled');
this.bar.classList.add('hidden');
this.findController.active = false;
},
toggle() {
if (this.opened) {
this.close();
} else {
this.open();
}
}
toggle: function PDFFindBar_toggle() {
if (this.opened) {
this.close();
} else {
this.open();
}
},
/**
* @private
*/
_adjustWidth() {
if (!this.opened) {
return;
}
/**
* @private
*/
_adjustWidth: function PDFFindBar_adjustWidth() {
if (!this.opened) {
return;
}
// The find bar has an absolute position and thus the browser extends
// its width to the maximum possible width once the find bar does not fit
// entirely within the window anymore (and its elements are automatically
// wrapped). Here we detect and fix that.
this.bar.classList.remove('wrapContainers');
// The find bar has an absolute position and thus the browser extends
// its width to the maximum possible width once the find bar does not fit
// entirely within the window anymore (and its elements are automatically
// wrapped). Here we detect and fix that.
this.bar.classList.remove('wrapContainers');
var findbarHeight = this.bar.clientHeight;
var inputContainerHeight = this.bar.firstElementChild.clientHeight;
var findbarHeight = this.bar.clientHeight;
var inputContainerHeight = this.bar.firstElementChild.clientHeight;
if (findbarHeight > inputContainerHeight) {
// The findbar is taller than the input container, which means that
// the browser wrapped some of the elements. For a consistent look,
// wrap all of them to adjust the width of the find bar.
this.bar.classList.add('wrapContainers');
}
},
};
return PDFFindBar;
})();
if (findbarHeight > inputContainerHeight) {
// The findbar is taller than the input container, which means that
// the browser wrapped some of the elements. For a consistent look,
// wrap all of them to adjust the width of the find bar.
this.bar.classList.add('wrapContainers');
}
}
}
export {
PDFFindBar,