Differential D14855 Diff 35910 webroot/rsrc/js/core/behavior-phabricator-remarkup-assist.js

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webroot/rsrc/js/core/behavior-phabricator-remarkup-assist.js

/**		/**
* @provides javelin-behavior-phabricator-remarkup-assist		* @provides javelin-behavior-phabricator-remarkup-assist
* @requires javelin-behavior		* @requires javelin-behavior
* javelin-stratcom		* javelin-stratcom
* javelin-dom		* javelin-dom
* phabricator-phtize		* phabricator-phtize
* phabricator-textareautils		* phabricator-textareautils
* javelin-workflow		* javelin-workflow
* javelin-vector		* javelin-vector
*/		*/

JX.behavior('phabricator-remarkup-assist', function(config) {		JX.behavior('phabricator-remarkup-assist', function(config) {
var pht = JX.phtize(config.pht);		var pht = JX.phtize(config.pht);
		var root = JX.$(config.rootID);
		var area = JX.DOM.find(root, 'textarea');

var edit_mode = 'normal';		var edit_mode = 'normal';
var edit_root = null;		var edit_root = null;
		var preview = null;

function set_edit_mode(root, mode) {		function set_edit_mode(root, mode) {
if (mode == edit_mode) {		if (mode == edit_mode) {
return;		return;
}		}

// First, disable any active mode.		// First, disable any active mode.
if (edit_root) {		if (edit_root) {
if (edit_mode == 'fa-arrows-alt') {		if (edit_mode == 'fa-arrows-alt') {
JX.DOM.alterClass(edit_root, 'remarkup-control-fullscreen-mode', false);		JX.DOM.alterClass(edit_root, 'remarkup-control-fullscreen-mode', false);
JX.DOM.alterClass(document.body, 'remarkup-fullscreen-mode', false);		JX.DOM.alterClass(document.body, 'remarkup-fullscreen-mode', false);
}		}
JX.DOM.find(edit_root, 'textarea').style.height = '';
		area.style.height = '';

		// If we're in preview mode, kick the preview back down to default
		// size.
		if (preview) {
		JX.DOM.show(area);
		resize_preview();
		JX.DOM.hide(area);
		}
}		}

edit_root = root;		edit_root = root;
edit_mode = mode;		edit_mode = mode;

// Now, apply the new mode.		// Now, apply the new mode.
if (mode == 'fa-arrows-alt') {		if (mode == 'fa-arrows-alt') {
JX.DOM.alterClass(edit_root, 'remarkup-control-fullscreen-mode', true);		JX.DOM.alterClass(edit_root, 'remarkup-control-fullscreen-mode', true);
JX.DOM.alterClass(document.body, 'remarkup-fullscreen-mode', true);		JX.DOM.alterClass(document.body, 'remarkup-fullscreen-mode', true);

		// If we're in preview mode, expand the preview to full-size.
		if (preview) {
		JX.DOM.show(area);
		}

resizearea();		resizearea();

		if (preview) {
		resize_preview();
		JX.DOM.hide(area);
		}
}		}

JX.DOM.focus(JX.DOM.find(edit_root, 'textarea'));		JX.DOM.focus(area);
}		}

function resizearea() {		function resizearea() {
if (!edit_root) {		if (!edit_root) {
return;		return;
}		}
if (edit_mode != 'fa-arrows-alt') {		if (edit_mode != 'fa-arrows-alt') {
return;		return;
}		}

// In Firefox, a textarea with position "absolute" or "fixed", anchored		// In Firefox, a textarea with position "absolute" or "fixed", anchored
// "top" and "bottom", and height "auto" renders as two lines high. Force		// "top" and "bottom", and height "auto" renders as two lines high. Force
// it to the correct height with Javascript.		// it to the correct height with Javascript.

var area = JX.DOM.find(edit_root, 'textarea');

var v = JX.Vector.getViewport();		var v = JX.Vector.getViewport();
v.x = null;		v.x = null;
v.y -= 26;		v.y -= 26;

v.setDim(area);		v.setDim(area);
}		}

JX.Stratcom.listen('resize', null, resizearea);		JX.Stratcom.listen('resize', null, resizearea);


JX.Stratcom.listen('keydown', null, function(e) {		JX.Stratcom.listen('keydown', null, function(e) {
if (e.getSpecialKey() != 'esc') {		if (e.getSpecialKey() != 'esc') {
return;		return;
}		}

if (edit_mode != 'fa-arrows-alt') {		if (edit_mode != 'fa-arrows-alt') {
return;		return;
}		}
Show All 33 Lines	if (ch === '>') {
sel[i] = ch + sel[i];		sel[i] = ch + sel[i];
}		}
return sel.join('\n');		return sel.join('\n');
}		}

return sel.join('\n' + ch);		return sel.join('\n' + ch);
}		}

function assist(area, action, root) {		function assist(area, action, root, button) {
// If the user has some text selected, we'll try to use that (for example,		// If the user has some text selected, we'll try to use that (for example,
// if they have a word selected and want to bold it). Otherwise we'll insert		// if they have a word selected and want to bold it). Otherwise we'll insert
// generic text.		// generic text.
var sel = JX.TextAreaUtils.getSelectionText(area);		var sel = JX.TextAreaUtils.getSelectionText(area);
var r = JX.TextAreaUtils.getSelectionRange(area);		var r = JX.TextAreaUtils.getSelectionRange(area);
var ch;		var ch;

switch (action) {		switch (action) {
▲ Show 20 Lines • Show All 50 Lines • ▼ Show 20 Lines	switch (action) {
break;		break;
case 'fa-arrows-alt':		case 'fa-arrows-alt':
if (edit_mode == 'fa-arrows-alt') {		if (edit_mode == 'fa-arrows-alt') {
set_edit_mode(root, 'normal');		set_edit_mode(root, 'normal');
} else {		} else {
set_edit_mode(root, 'fa-arrows-alt');		set_edit_mode(root, 'fa-arrows-alt');
}		}
break;		break;
		case 'fa-eye':
		if (!preview) {
		preview = JX.$N(
		'div',
		{
		className: 'remarkup-inline-preview'
		},
		null);

		area.parentNode.insertBefore(preview, area);
		JX.DOM.alterClass(button, 'preview-active', true);
		resize_preview();
		JX.DOM.hide(area);

		update_preview();
		} else {
		JX.DOM.show(area);
		resize_preview(true);
		JX.DOM.remove(preview);
		preview = null;

		JX.DOM.alterClass(button, 'preview-active', false);
		}
		break;
}		}
}		}

JX.Stratcom.listen(		function resize_preview(restore) {
['click'],		if (!preview) {
		return;
		}

		var src;
		var dst;

		if (restore) {
		src = preview;
		dst = area;
		} else {
		src = area;
		dst = preview;
		}

		var d = JX.Vector.getDim(src);
		d.x = null;
		d.setDim(dst);
		}

		function update_preview() {
		var value = area.value;

		var data = {
		corpus: value
		};

		var onupdate = function(r) {
		if (area.value !== value) {
		return;
		}

		if (!preview) {
		return;
		}

		JX.DOM.setContent(preview, JX.$H(r.content).getFragment());
		};

		new JX.Workflow('/transactions/remarkuppreview/', data)
		.setHandler(onupdate)
		.start();
		}

		JX.DOM.listen(
		root,
		'click',
'remarkup-assist',		'remarkup-assist',
function(e) {		function(e) {
var data = e.getNodeData('remarkup-assist');		var data = e.getNodeData('remarkup-assist');
if (!data.action) {		if (!data.action) {
return;		return;
}		}

e.kill();		e.kill();

if (config.disabled) {		if (config.disabled) {
return;		return;
}		}

var root = e.getNode('remarkup-assist-control');		assist(area, data.action, root, e.getNode('remarkup-assist'));
var area = JX.DOM.find(root, 'textarea');

assist(area, data.action, root);
});		});

});		});