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fix update lines

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This commit is contained in:
Fabian Jakobs 2010-10-06 15:42:01 +02:00
commit fa2dd94e5c
1 changed files with 12 additions and 4 deletions
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16
src/ace/VirtualRenderer.js
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@ -116,7 +116,7 @@ var VirtualRenderer = function(container, theme) {
/**
* Triggers partial update of the text layer
*/
this.updateLines = function(firstRow, lastRow) {
this.updateLines = function(firstRow, lastRow) {
if (!this.$changedLines) {
this.$changedLines = {
firstRow: firstRow,
@ -130,6 +130,8 @@ var VirtualRenderer = function(container, theme) {
if (this.$changedLines.lastRow < lastRow)
this.$changedLines.lastRow = lastRow;
}
if (this.$changedLines.lastRow === undefined)
this.$changedLines.lastRow = Infinity;
this.$loop.schedule(this.CHANGE_LINES);
};
@ -371,7 +373,10 @@ var VirtualRenderer = function(container, theme) {
this.$updateLines = function() {
var firstRow = this.$changedLines.firstRow;
var lastRow = this.$changedLines.lastRow;
this.$changedLines = null;
this.$changedLines = {
firstRow: 0,
lastRow: Infinity
};
var layerConfig = this.layerConfig;
@ -383,8 +388,11 @@ var VirtualRenderer = function(container, theme) {
if (lastRow < layerConfig.firstRow) { return; }
// if the last row is unknown -> redraw everything
if (lastRow === undefined)
return this.$textLayer.update(layerConfig);
if (lastRow === Infinity) {
this.$gutterLayer.update(layerConfig);
this.$textLayer.update(layerConfig);
return;
}
// else update only the changed rows
this.$textLayer.updateLines(layerConfig, firstRow, lastRow);