stylus/edit/colorpicker-helper.js
2017-11-24 13:19:10 +03:00

109 lines
3.6 KiB
JavaScript

/* global CodeMirror loadScript editors showHelp */
'use strict';
window.initColorpicker = () => {
onDOMready().then(() => {
$('#colorpicker-settings').onclick = configureColorpicker;
});
const scripts = [
'/vendor-overwrites/colorpicker/colorpicker.css',
'/vendor-overwrites/colorpicker/colorpicker.js',
'/vendor-overwrites/colorpicker/colorview.js',
];
prefs.subscribe(['editor.colorpicker.hotkey'], registerHotkey);
prefs.subscribe(['editor.colorpicker'], colorpickerOnDemand);
return prefs.get('editor.colorpicker') && colorpickerOnDemand(null, true);
function colorpickerOnDemand(id, enabled) {
return loadScript(enabled && scripts)
.then(() => setColorpickerOption(id, enabled));
}
function setColorpickerOption(id, enabled) {
const defaults = CodeMirror.defaults;
const keyName = prefs.get('editor.colorpicker.hotkey');
delete defaults.extraKeys[keyName];
defaults.colorpicker = enabled;
if (enabled) {
if (keyName) {
CodeMirror.commands.colorpicker = invokeColorpicker;
defaults.extraKeys[keyName] = 'colorpicker';
}
defaults.colorpicker = {
forceUpdate: editors.length > 0,
tooltip: t('colorpickerTooltip'),
popupOptions: {
tooltipForSwitcher: t('colorpickerSwitchFormatTooltip'),
hexUppercase: prefs.get('editor.colorpicker.hexUppercase'),
hideDelay: 5000,
embedderCallback: state => {
['hexUppercase', 'color']
.filter(name => state[name] !== prefs.get('editor.colorpicker.' + name))
.forEach(name => prefs.set('editor.colorpicker.' + name, state[name]));
},
},
};
}
// on page load runs before CodeMirror.setOption is defined
editors.forEach(cm => cm.setOption('colorpicker', defaults.colorpicker));
}
function registerHotkey(id, hotkey) {
CodeMirror.commands.colorpicker = invokeColorpicker;
const extraKeys = CodeMirror.defaults.extraKeys;
for (const key in extraKeys) {
if (extraKeys[key] === 'colorpicker') {
delete extraKeys[key];
break;
}
}
if (hotkey) {
extraKeys[hotkey] = 'colorpicker';
}
}
function invokeColorpicker(cm) {
cm.state.colorpicker.openPopup(prefs.get('editor.colorpicker.color'));
}
function configureColorpicker() {
const input = $element({
tag: 'input',
type: 'search',
spellcheck: false,
value: prefs.get('editor.colorpicker.hotkey'),
onkeydown(event) {
const key = CodeMirror.keyName(event);
// ignore: [Shift?] characters, modifiers-only, [Shift?] Esc, Enter, [Shift?] Tab
if (key === 'Enter' || key === 'Esc') {
$('#help-popup .dismiss').onclick();
return;
} else if (/^((Shift-)?(Esc|Tab|[!-~])|(Shift-?|Ctrl-?|Alt-?|Cmd-?)*)$/.test(key)) {
this.setCustomValidity('Not allowed');
} else {
this.setCustomValidity('');
prefs.set('editor.colorpicker.hotkey', key);
}
event.preventDefault();
event.stopPropagation();
this.value = key;
},
oninput() {
// fired on pressing "x" to clear the field
prefs.set('editor.colorpicker.hotkey', '');
},
onpaste(event) {
event.preventDefault();
}
});
const popup = showHelp(t('helpKeyMapHotkey'), input);
if (this instanceof Element) {
const bounds = this.getBoundingClientRect();
popup.style.left = bounds.right + 10 + 'px';
popup.style.top = bounds.top - popup.clientHeight / 2 + 'px';
popup.style.right = 'auto';
}
input.focus();
}
};