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| var _ = require('lazy.js');
var blessed = require('blessed');
var path = require('path');
var Slap = require('./Slap');
var BaseElement = require('./BaseElement');
var Button = require('./Button');
var util = require('../util');
var markup = require('../markup');
function Header (opts) {
var self = this;
Iif (!(self instanceof blessed.Node)) return new Header(opts);
var opts = _({
left: 0,
right: 0,
height: 1,
padding: {left: 1, right: 1},
})
.merge(Slap.global.options.header || {})
.merge(opts || {})
.toObject();
BaseElement.call(self, _(opts)
.merge(opts.headerPosition !== 'bottom'
? {top: 0, headerPosition: 'top'}
: {bottom: 0, headerPosition: 'bottom'})
.toObject());
var helpBinding = self.slap.options.bindings.help;
helpBinding = Array.isArray(helpBinding) ? helpBinding[0] : helpBinding;
self.helpButton = new Button(_({
parent: self,
content: "Help" + (helpBinding ? ": " + helpBinding : ""),
right: self.padding.right
})
.merge(self.options.helpButton || {})
.toObject());
self.leftContent = new BaseElement(_({
parent: self,
tags: true,
left: self.padding.left,
shrink: true,
style: self.options.style
})
.merge(self.options.leftContent || {})
.toObject());
self.rightContent = new BaseElement(_({
parent: self,
tags: true,
right: self.padding.right + BaseElement.prototype.shrinkWidth.call(self.helpButton) + 1,
shrink: true,
style: self.options.style
})
.merge(self.options.rightContent || {})
.toObject());
self._blink(true);
}
Header.prototype.__proto__ = BaseElement.prototype;
Header.prototype._blink = util.getterSetter('blink', null, function (blink) {
var self = this;
clearTimeout(self.data.blinkTimer);
Eif (self.options.blinkRate) {
self.data.blinkTimer = setTimeout(function () {
self._blink(!blink);
}, self.options.blinkRate);
}
return blink;
});
Header.prototype.message = util.getterSetter('message', null, function (message, styleName) {
var self = this;
clearTimeout(self.data.messageTimer);
Eif (message) {
self.data.messageTimer = setTimeout(function () {
self.message(null);
}, self.options.messageDuration);
}
self._blink(false);
return message !== null ? markup(' '+message+' ', self.options.style[styleName || 'info']) : null;
});
Header.prototype._initHandlers = function () {
var self = this;
['message', 'blink'].forEach(function (evt) {
self.on(evt, function () { self.parent.render(); });
});
self.helpButton.on('press', function () { self.slap.help(); });
return BaseElement.prototype._initHandlers.apply(self, arguments);
};
Header.prototype.render = function () {
var self = this;
var style = self.options.style;
var slap = self.slap;
var editor = (slap.panes[slap.data.currentPane] || {}).editor;
if (editor) {
var originalPath = editor.textBuf.getPath();
var markupPath = originalPath
? blessed.escape(path.relative(self.slap.fileBrowser.cwd, originalPath))
: "new file";
Iif (editor.textBuf.isModified()) {
markupPath = markup(markupPath+"*", style.changed);
}
self.leftContent.setContent('\u270b ' + markupPath);
var cursor = editor.selection.getHeadPosition();
var originalEncoding = editor.textBuf.getEncoding();
var markupEncoding = originalEncoding ? blessed.escape(originalEncoding) : '';
var right = [
[cursor.row+1, cursor.column+1].join(","),
"("+editor.textBuf.getLineCount()+")",
markupEncoding
];
Iif (editor.readOnly()) right.push(markup("read-only", style.warning));
Iif (!slap.insertMode()) right.unshift(markup("OVR", style.overwrite));
var message = self.message();
if (message) {
Iif (self._blink()) message = markup(message, style.blinkStyle);
right.unshift(message);
}
self.rightContent.setContent(right.join(" "));
} else {
self.leftContent.setContent("\u270b");
self.rightContent.setContent('');
}
return BaseElement.prototype.render.apply(self, arguments);
};
module.exports = Header;
|