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tweak "show invisibles"

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This commit is contained in:
Fabian Jakobs 2010-04-23 15:22:19 +02:00
commit 539aa4669c
1 changed files with 19 additions and 7 deletions
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26
src/layer/Text.js
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@ -10,9 +10,11 @@ ace.layer.Text = function(parentEl) {
(function() {
// this.ENTER_CHAR = "¶";
this.ENTER_CHAR = "¬";
this.TAB_CHAR = "‣";
// this.EOF_CHAR = "¶";
this.EOF_CHAR = "¶";
this.EOL_CHAR = "¬";
// this.TAB_CHAR = "‣";
this.TAB_CHAR = "→";
this.setTokenizer = function(tokenizer) {
this.tokenizer = tokenizer;
@ -59,7 +61,12 @@ ace.layer.Text = function(parentEl) {
this.$computeTabString = function() {
var tabSize = this.doc.getTabSize();
if (this.$showInvisibles) {
this.$tabString = "<span class='invisible'>" + this.TAB_CHAR + new Array(tabSize).join("&nbsp;") + "</span>";
var halfTab = (tabSize) / 2;
this.$tabString = "<span class='invisible'>"
+ new Array(Math.floor(halfTab)).join("&nbsp;")
+ this.TAB_CHAR
+ new Array(Math.ceil(halfTab)+1).join("&nbsp;")
+ "</span>";
} else {
this.$tabString = new Array(tabSize+1).join("&nbsp;");
}
@ -103,7 +110,7 @@ ace.layer.Text = function(parentEl) {
var output = token.value
.replace(/&/g, "&amp;")
.replace(/</g, "&lt;")
.replace(/\v\f \u00a0\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u200b\u2028\u2029\u3000/g, "&nbsp;")
.replace(/[\v\f \u00a0\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u200b\u2028\u2029\u3000]/g, "&nbsp;")
.replace(/\t/g, this.$tabString);
if (token.type !== "text") {
@ -114,8 +121,13 @@ ace.layer.Text = function(parentEl) {
}
};
if (this.$showInvisibles && row !== this.doc.getLength() - 1)
stringBuilder.push("<span class='invisible'>" + this.ENTER_CHAR + "</span>");
if (this.$showInvisibles) {
if (row !== this.doc.getLength() - 1) {
stringBuilder.push("<span class='invisible'>" + this.EOL_CHAR + "</span>");
} else {
stringBuilder.push("<span class='invisible'>" + this.EOF_CHAR + "</span>");
}
}
};
}).call(ace.layer.Text.prototype);