ace/test/MockRenderer.js
2010-04-12 13:10:47 +02:00

62 lines
1.5 KiB
JavaScript

MockRenderer = function() {
this.container = document.createElement("div");
this.cursor = {
row : 0,
column : 0
};
this.visibleRowCount = 20;
this.layerConfig = {
firstVisibleRow : 0,
lastVisibleRow : this.visibleRowCount
};
};
MockRenderer.prototype.getFirstVisibleRow = function() {
return this.layerConfig.firstVisibleRow;
};
MockRenderer.prototype.getLastVisibleRow = function() {
return this.layerConfig.lastVisibleRow;
};
MockRenderer.prototype.getContainerElement = function() {
return this.container;
};
MockRenderer.prototype.setDocument = function(doc) {
this.lines = doc.lines;
};
MockRenderer.prototype.setTokenizer = function() {
};
MockRenderer.prototype.updateCursor = function(position) {
this.cursor.row = position.row;
this.cursor.column = position.column;
};
MockRenderer.prototype.scrollCursorIntoView = function() {
if (this.cursor.row < this.layerConfig.firstVisibleRow) {
this.scrollToRow(this.cursor.row);
}
else if (this.cursor.row > this.layerConfig.lastVisibleRow) {
this.scrollToRow(this.cursor.row);
}
};
MockRenderer.prototype.scrollToRow = function(row) {
var row = Math.min(this.lines.length - this.visibleRowCount, Math.max(0,
row));
this.layerConfig.firstVisibleRow = row;
this.layerConfig.lastVisibleRow = row + this.visibleRowCount;
};
MockRenderer.prototype.draw = function() {
};
MockRenderer.prototype.addMarker = function() {
};