151 lines
3.9 KiB
JavaScript
151 lines
3.9 KiB
JavaScript
/* jslint node: true */
|
|
'use strict';
|
|
|
|
var events = require('events');
|
|
var util = require('util');
|
|
var assert = require('assert');
|
|
var ansi = require('./ansi_term.js');
|
|
|
|
exports.View = View;
|
|
exports.VIEW_SPECIAL_KEY_MAP_DEFAULT = VIEW_SPECIAL_KEY_MAP_DEFAULT;
|
|
|
|
var VIEW_SPECIAL_KEY_MAP_DEFAULT = {
|
|
accept : [ 'enter' ],
|
|
exit : [ 'esc' ],
|
|
backspace : [ 'backspace' ],
|
|
del : [ 'del' ],
|
|
next : [ 'tab' ],
|
|
up : [ 'up arrow' ],
|
|
down : [ 'down arrow' ],
|
|
};
|
|
|
|
function View(client, options) {
|
|
events.EventEmitter.call(this);
|
|
|
|
assert(client);
|
|
|
|
var self = this;
|
|
|
|
this.client = client;
|
|
this.options = options || {};
|
|
|
|
this.acceptsFocus = options.acceptsFocus || false;
|
|
this.acceptsInput = options.acceptsInput || false;
|
|
|
|
//this.submit = this.acceptsInput ? options.acceptsInput || false : false;
|
|
|
|
this.position = { x : 0, y : 0 };
|
|
this.dimens = { height : 1, width : 0 };
|
|
|
|
this.textStyle = this.options.textStyle || 'normal';
|
|
this.focusTextStyle = this.options.focusTextStyle || this.textStyle;
|
|
|
|
if(this.options.id) {
|
|
this.setId(this.options.id);
|
|
}
|
|
|
|
if(this.options.position) {
|
|
this.setPosition(this.options.position);
|
|
}
|
|
|
|
this.isPasswordTextStyle = 'P' === this.textStyle || 'password' === this.textStyle;
|
|
|
|
// :TODO: Don't allow width/height > client.term
|
|
if(this.options.dimens && this.options.dimens.height) {
|
|
this.dimens.height = this.options.dimens.height;
|
|
}
|
|
|
|
if(this.options.dimens && this.options.dimens.width) {
|
|
this.dimens.width = this.options.dimens.width;
|
|
}
|
|
|
|
this.color = this.options.color || { flags : 0, fg : 7, bg : 0 };
|
|
this.focusColor = this.options.focusColor || this.color;
|
|
|
|
if(this.acceptsInput) {
|
|
this.specialKeyMap = this.options.specialKeyMap || VIEW_SPECIAL_KEY_MAP_DEFAULT;
|
|
}
|
|
|
|
this.isSpecialKeyMapped = function(keySet, keyName) {
|
|
return this.specialKeyMap[keySet].indexOf(keyName) > -1;
|
|
};
|
|
|
|
this.getANSIColor = function(color) {
|
|
var sgr = [ color.flags, color.fg ];
|
|
if(color.bg !== color.flags) {
|
|
sgr.push(color.bg);
|
|
}
|
|
return ansi.sgr(sgr);
|
|
};
|
|
}
|
|
|
|
util.inherits(View, events.EventEmitter);
|
|
|
|
View.prototype.setId = function(id) {
|
|
this.id = id;
|
|
};
|
|
|
|
View.prototype.setPosition = function(pos) {
|
|
//
|
|
// We allow [x, y], { x : x, y : y }, or (x, y)
|
|
//
|
|
if(util.isArray(pos)) {
|
|
this.position.x = pos[0];
|
|
this.position.y = pos[1];
|
|
} else if(pos.x && pos.y) {
|
|
this.position.x = pos.x;
|
|
this.position.y = pos.y;
|
|
} else if(2 === arguments.length) {
|
|
this.position.x = parseInt(arguments[0], 10);
|
|
this.position.y = parseInt(arguments[1], 10);
|
|
}
|
|
|
|
assert(!(isNaN(this.position.x)));
|
|
assert(!(isNaN(this.position.y)));
|
|
|
|
assert(
|
|
this.position.x > 0 && this.position.x <= this.client.term.termHeight,
|
|
'X position ' + this.position.x + ' out of terminal range ' + this.client.term.termHeight);
|
|
|
|
assert(
|
|
this.position.y > 0 && this.position.y <= this.client.term.termWidth,
|
|
'Y position ' + this.position.y + ' out of terminal range ' + this.client.term.termWidth);
|
|
};
|
|
|
|
View.prototype.getColor = function() {
|
|
return this.color;
|
|
};
|
|
|
|
View.prototype.getFocusColor = function() {
|
|
return this.focusColor;
|
|
};
|
|
|
|
View.prototype.redraw = function() {
|
|
this.client.term.write(ansi.goto(this.position.x, this.position.y));
|
|
};
|
|
|
|
View.prototype.setFocus = function(focused) {
|
|
assert(this.acceptsFocus, 'View does not accept focus');
|
|
|
|
this.hasFocus = focused;
|
|
};
|
|
|
|
View.prototype.onKeyPress = function(key, isSpecial) {
|
|
assert(this.hasFocus, 'View does not have focus');
|
|
assert(this.acceptsInput, 'View does not accept input');
|
|
};
|
|
|
|
View.prototype.onSpecialKeyPress = function(keyName) {
|
|
assert(this.hasFocus, 'View does not have focus');
|
|
assert(this.acceptsInput, 'View does not accept input');
|
|
assert(this.specialKeyMap, 'No special key map defined');
|
|
|
|
if(this.isSpecialKeyMapped('accept', keyName)) {
|
|
this.emit('action', 'accept');
|
|
} else if(this.isSpecialKeyMapped('next', keyName)) {
|
|
this.emit('action', 'next');
|
|
}
|
|
};
|
|
|
|
View.prototype.getViewData = function() {
|
|
}; |