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neo-blessed
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insert, set, get, delete, clear lines.

This commit is contained in:
Christopher Jeffrey 2013-07-12 03:52:14 -05:00
parent 42399b17ab
commit 933b5442bd
1 changed files with 77 additions and 0 deletions
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77
lib/widget.js
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@ -1834,6 +1834,8 @@ outer:
// box.insertTop('foobar');
// Things will break because we're using _lastPos instead of render(true).
// Maybe _lastPos could be updated on .left, .right, etc setters?
// OLD
Box.prototype.insertTop = function(line) {
if (this._lastPos && this._lastPos.xi === 0 && this._lastPos.xl === this.screen.width) {
this.screen.insertTop(this._lastPos.yi, this._lastPos.yl - 1);
@ -1870,6 +1872,81 @@ Box.prototype.deleteBottom = function() {
this.setContent(this._clines.join('\n'), reset);
};
// NEW
Box.prototype.insertLine = function(i, line) {
//if (typeof line === 'string') line = [line];
if (this._lastPos && this._lastPos.xi === 0 && this._lastPos.xl === this.screen.width) {
i = Math.max(i, 0);
i = Math.min(i, this._lastPos.yl - this._lastPos.yi - (this.border ? 2 : 0));
//this.screen.insertLine(line.length
this.screen.insertLine(1,
this._lastPos.yi + (this.border ? 1 : 0) + i,
this._lastPos.yi,
this._lastPos.yl - 1);
}
this._clines.splice((this.childBase || 0) + (this.border ? 1 : 0) + i, 0, line);
// OR:
//line.forEach(function(line, j) {
// this._clines.splice((this.childBase || 0) + (this.border ? 1 : 0) + i + j, 0, line);
//}, this);
this.setContent(this._clines.join('\n'), true);
};
Box.prototype.deleteLine = function(i) {
//if (typeof line === 'string') line = [line];
var reset = true;
if (this._lastPos && this._lastPos.xi === 0 && this._lastPos.xl === this.screen.width) {
i = Math.max(i, 0);
i = Math.min(i, this._lastPos.yl - this._lastPos.yi - (this.border ? 2 : 0));
//this.screen.deleteLine(line.length,
this.screen.deleteLine(1,
this._lastPos.yi + (this.border ? 1 : 0) + i,
this._lastPos.yi,
this._lastPos.yl - 1);
reset = false;
}
this._clines.splice((this.childBase || 0) + (this.border ? 1 : 0) + i, 1);
// OR:
//line.forEach(function(line, j) {
// this._clines.splice((this.childBase || 0) + (this.border ? 1 : 0) + i + j, 1);
//}, this);
this.setContent(this._clines.join('\n'), reset);
};
Box.prototype.insertTop = function(line) {
return this.insertLine(0, line);
};
Box.prototype.insertBottom = function(line) {
return this.insertLine(this.height - (this.border ? 2 : 0), line);
};
Box.prototype.deleteTop = function() {
return this.deleteLine(0);
};
Box.prototype.deleteBottom = function() {
return this.deleteLine(this.height - (this.border ? 2 : 0));
};
Box.prototype.setLine = function(i, line) {
i = Math.max(i, 0);
i = Math.min(i, this._lastPos.yl - this._lastPos.yi - (this.border ? 2 : 0));
this._clines[(this.childBase || 0) + (this.border ? 1 : 0) + i] = line;
return this.setContent(this._clines.join('\n'), true);
};
Box.prototype.getLine = function(i) {
i = Math.max(i, 0);
i = Math.min(i, this._lastPos.yl - this._lastPos.yi - (this.border ? 2 : 0));
return this._clines[(this.childBase || 0) + (this.border ? 1 : 0) + i];
};
Box.prototype.clearLine = function(i) {
return this.setLine(i, '');
};
/**
* Text
*/