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| var _ = require('lazy.js');
var lodash = require('lodash');
var blessed = require('blessed');
var Promise = require('bluebird');
var path = require('path');
var exec = require('child_process').exec;
var latestVersion = require('latest-version');
var semver = require('semver');
var util = require('../util');
var package = require('../../package');
function Slap (opts) {
var self = this;
Iif (!(self instanceof blessed.Node)) return new Slap(opts);
Eif (!Slap.global) Slap.global = this;
blessed.Screen.call(self, _(opts).merge({handleUncaughtExceptions: false}).toObject());
BaseElement.call(self, opts);
self.panes = [];
self.header = new Header();
self.fileBrowser = new FileBrowser({
parent: self,
top: self.header.options.headerPosition === 'top' ? 1 : 0,
bottom: self.header.options.headerPosition === 'bottom' ? 1 : 0,
left: 0,
});
self.fileBrowser.focus();
self.toggleInsertMode();
self.render = lodash.throttle(function () {
return blessed.Screen.prototype.render.apply(self, arguments);
}, self.options.perf.renderThrottle);
}
Slap.prototype.__proto__ = blessed.Screen.prototype;
Slap.global = null;
Slap.prototype.paneForPath = function (panePath) {
var self = this;
var pane;
panePath = util.resolvePath(panePath);
self.panes.some(function (openPane) {
if (openPane.editor.textBuf.getPath() === panePath) {
pane = openPane;
return true;
}
});
return pane;
};
Slap.prototype.open = Promise.method(function (filePath, current) {
var self = this;
var pane = self.paneForPath(filePath);
pane = pane || new Pane();
return pane.editor.open(filePath)
.then(function () {
if (current) pane.setCurrent();
return pane;
})
.catch(function (err) {
pane.close();
switch ((err.cause || {}).code) {
case 'EISDIR':
self.fileBrowser.refresh(filePath, _.noop);
self.fileBrowser.focus();
break;
default: throw err;
}
});
});
Slap.prototype.insertMode = util.getterSetter('insertMode', null, Boolean);
Slap.prototype.toggleInsertMode = function () { return this.insertMode(!this.insertMode()); };
Slap.prototype.quit = function () {
require('../highlight/client').done(function (highlightClient) {
highlightClient.kill();
});
setTimeout(function () { process.exit(0); }, 20); // FIXME: hack for I/O flush
// this.program.input.removeAllListeners();
return this;
};
Slap.prototype.help = function () {
return this
.open(path.join(__dirname, '../../slap.ini'), true)
.tap(function (pane) { pane.editor.readOnly(true); });
};
Slap.prototype.update = function () {
var self = this;
var name = package.name;
latestVersion(name, function (err, npmVersion) {
Iif (!err && semver.gt(npmVersion, package.version)) self.header.message("newer version available!", 'info');
});
var updateCmd = 'npm update -g --loglevel silent '+name;
var result = exec(updateCmd + ' || sudo -n ' + updateCmd, function (err) {
Iif (err) logger.warn("auto-update failed, please run `sudo npm update -g "+name+"`");
});
result.unref();
return result;
};
Slap.prototype._stopKeyPropagation = function () {
// FIXME: ugly hack to stop enter from last keypress from propagating too far
var self = this;
self.lockKeys = true;
process.nextTick(function () { self.lockKeys = false; });
return self;
};
Slap.prototype._initHandlers = function () {
var self = this;
self.on('keypress', function (ch, key) {
var binding = util.getBinding(self.options.bindings, key);
if (key.action !== 'mousemove') {
if (key.name === 'mouse') {
logger.silly("mouse", key);
} else {
var logLine = "keypress " + key.full;
if (key.full !== key.sequence) logLine += " [raw: " + JSON.stringify(key.sequence) + "]";
var bindingInfo;
if (binding) {
bindingInfo = binding + " on " + util.typeOf(self);
} else {
var focusedBinding = util.getBinding(((self.focused || {}).options || {}).bindings, key);
Iif (focusedBinding) bindingInfo = focusedBinding + " on " + util.typeOf(self.focused);
}
if (bindingInfo) {
logger.silly(logLine + " (bound to " + bindingInfo + ")");
} else {
logger.silly(logLine);
}
}
} else {
logger.silly("mousemove", key);
}
switch (binding) {
case 'new': new Pane().setCurrent(); return false;
case 'open':
if (!self.fileBrowser.visible) {
self.fileBrowser.show();
self.panes.forEach(function (pane) { pane.left = self.fileBrowser.width; });
}
self.fileBrowser.focus();
return false;
case 'nextPane': self.panes[util.mod(self.data.currentPane + 1, self.panes.length)].setCurrent(); return false;
case 'prevPane': self.panes[util.mod(self.data.currentPane - 1, self.panes.length)].setCurrent(); return false;
case 'toggleFileBrowser':
self.fileBrowser.toggle();
self.panes.forEach(function (pane) { pane.left = self.fileBrowser.visible ? self.fileBrowser.width : 0; });
self.render();
return false;
case 'toggleInsertMode': self.toggleInsertMode(); return false;
case 'quit':
Eif (!self._panesBlockingQuit) {
var currentPane = self.panes[self.data.currentPane];
Eif (currentPane) currentPane.requestClose(); // ensures self.panes[0] doesn't steal focus
self._panesBlockingQuit = self.panes.slice().filter(function (pane) {
if (!pane.requestClose()) {
pane.once('close', function () {
if (self._panesBlockingQuit) {
var paneIndex = self._panesBlockingQuit.indexOf(pane);
self._panesBlockingQuit.splice(paneIndex, 1);
if (self._panesBlockingQuit.length) {
self.panes[self.data.currentPane].saveAsCloseForm.show();
} else {
self.quit();
}
}
});
pane.saveAsCloseForm.once('cancel', function () {
self._panesBlockingQuit.forEach(function (blockingPane) { blockingPane.saveAsCloseForm.hide(); });
self._panesBlockingQuit = null;
});
return true;
}
});
var numPanesBlockingQuit = self._panesBlockingQuit.length;
Iif (numPanesBlockingQuit > 1) {
self.header.message(numPanesBlockingQuit + " unsaved file" + (numPanesBlockingQuit !== 1 ? "s" : "") + ", please save or discard", 'warning');
} else Eif (!numPanesBlockingQuit) {
self.quit();
}
}
return false;
case 'help': self.help(); return false;
}
});
['element blur', 'element focus'].forEach(function (evt) {
self.on(evt, function (el) {
if (el._updateCursor) el._updateCursor();
});
});
self.on('element show', function (el) { Iif (el instanceof Pane) self.header.render(); });
['resize', 'element focus', 'insertMode'].forEach(function (evt) {
self.on(evt, function () { self.render(); });
});
return BaseElement.prototype._initHandlers.apply(self, arguments);
};
module.exports = Slap;
// circular imports
var BaseElement = require('./BaseElement');
var Header = require('./Header');
var FileBrowser = require('./FileBrowser');
var Pane = require('./Pane');
|