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| var _ = require('lodash');
var blessed = require('blessed');
var path = require('path');
var util = require('slap-util');
var BaseWidget = require('base-widget');
var Slap = require('./Slap');
var Button = require('./Button');
function Header (opts) {
var self = this;
Iif (!(self instanceof Header)) return new Header(opts);
BaseWidget.call(self, _.merge(opts.headerPosition !== 'bottom'
? {top: 0}
: {bottom: 0}, {
left: 0,
right: 0,
height: 1
}, Slap.global.options.header, opts));
self.leftContent = new BaseWidget(_.merge({
parent: self,
tags: true,
left: 1,
shrink: true,
style: self.options.style
}, self.options.leftContent));
var helpBinding = Slap.global.options.bindings.help;
helpBinding = Array.isArray(helpBinding) ? helpBinding[0] : helpBinding;
self.helpButton = new Button(_.merge({
parent: self,
content: "Help" + (helpBinding ? ": " + helpBinding : "")
}, self.options.helpButton));
self.rightContent = new BaseWidget(_.merge({
parent: self,
tags: true,
shrink: true,
style: self.options.style
}, self.options.rightContent));
self.messageContent = new BaseWidget(_.merge({
parent: self,
tags: true,
shrink: true,
style: self.options.style
}, self.options.messageContent));
// self._blink(true);
}
Header.prototype.__proto__ = BaseWidget.prototype;
Header.prototype._blink = util.getterSetter('blink', null, function (blink) {
var self = this;
clearTimeout(self.data.blinkTimer);
if (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);
if (message) {
self.data.messageTimer = setTimeout(function () {
self.message(null);
}, self.options.messageDuration);
}
// self._blink(false);
return message !== null ? util.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.screen.render(); });
});
self.helpButton.on('press', function () { self.screen.slap.help(); });
return BaseWidget.prototype._initHandlers.apply(self, arguments);
};
Header.prototype.render = function () {
var self = this;
var left = ["\u270b"];
var right = [];
var style = self.options.style;
var slap = self.screen.slap;
var pane = slap.getCurrentPane();
Eif (pane) {
var title = pane.getTitle();
Eif (title !== null) left.push(title);
var editor = pane.editor;
Eif (editor) {
var cursor = editor.selection.getHeadPosition();
var originalEncoding = editor.textBuf.getEncoding();
right = [
[cursor.row+1, cursor.column+1].join(","),
"("+editor.textBuf.getLineCount()+")"
];
Eif (originalEncoding) right.push(blessed.escape(originalEncoding));
Iif (editor.readOnly()) right.push(util.markup("read-only", style.warning));
Iif (!editor.insertMode()) right.unshift(util.markup("OVR", style.overwrite));
}
}
self.leftContent.setContent(left.join(" "));
self.rightContent.setContent(right.join(" "));
var message = self.message() || "";
Iif (self._blink()) message = util.markup(message, style.blinkStyle);
self.messageContent.setContent(message.toString());
// float: right basically
['helpButton', 'rightContent', 'messageContent'].reduce(function (right, key) {
self[key].right = right;
return 2 + right + BaseWidget.prototype.shrinkWidth.call(self[key]);
}, 1);
return BaseWidget.prototype.render.apply(self, arguments);
};
module.exports = Header;
|