gitlab-org--gitlab-foss/app/assets/javascripts/zen_mode.js

95 lines
2.5 KiB
JavaScript

// Zen Mode (full screen) textarea
//
/*= provides zen_mode:enter */
/*= provides zen_mode:leave */
//
/*= require jquery.scrollTo */
/*= require dropzone */
/*= require mousetrap */
/*= require mousetrap/pause */
//
// ### Events
//
// `zen_mode:enter`
//
// Fired when the "Edit in fullscreen" link is clicked.
//
// **Synchronicity** Sync
// **Bubbles** Yes
// **Cancelable** No
// **Target** a.js-zen-enter
//
// `zen_mode:leave`
//
// Fired when the "Leave Fullscreen" link is clicked.
//
// **Synchronicity** Sync
// **Bubbles** Yes
// **Cancelable** No
// **Target** a.js-zen-leave
//
(function() {
this.ZenMode = (function() {
function ZenMode() {
this.active_backdrop = null;
this.active_textarea = null;
$(document).on('click', '.js-zen-enter', function(e) {
e.preventDefault();
return $(e.currentTarget).trigger('zen_mode:enter');
});
$(document).on('click', '.js-zen-leave', function(e) {
e.preventDefault();
return $(e.currentTarget).trigger('zen_mode:leave');
});
$(document).on('zen_mode:enter', (function(_this) {
return function(e) {
return _this.enter($(e.target).closest('.md-area').find('.zen-backdrop'));
};
})(this));
$(document).on('zen_mode:leave', (function(_this) {
return function(e) {
return _this.exit();
};
})(this));
$(document).on('keydown', function(e) {
// Esc
if (e.keyCode === 27) {
e.preventDefault();
return $(document).trigger('zen_mode:leave');
}
});
}
ZenMode.prototype.enter = function(backdrop) {
Mousetrap.pause();
this.active_backdrop = $(backdrop);
this.active_backdrop.addClass('fullscreen');
this.active_textarea = this.active_backdrop.find('textarea');
// Prevent a user-resized textarea from persisting to fullscreen
this.active_textarea.removeAttr('style');
return this.active_textarea.focus();
};
ZenMode.prototype.exit = function() {
if (this.active_textarea) {
Mousetrap.unpause();
this.active_textarea.closest('.zen-backdrop').removeClass('fullscreen');
this.scrollTo(this.active_textarea);
this.active_textarea = null;
this.active_backdrop = null;
return Dropzone.forElement('.div-dropzone').enable();
}
};
ZenMode.prototype.scrollTo = function(zen_area) {
return $.scrollTo(zen_area, 0, {
offset: -150
});
};
return ZenMode;
})();
}).call(this);