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Commit ad1145f5 authored by mcmlxxix's avatar mcmlxxix
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add home/end controls 

remove frame.refresh() call from tree.addItem()
use frame.setData() to display menu (faster)
parent 21dcf57b
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with 141 additions and 51 deletions
exec/load/tree.js
+ 141
− 51
View file @ ad1145f5
......@@ -57,6 +57,7 @@
// display the frame contents
frame.draw();
*/
load("funclib.js");
......@@ -75,6 +76,7 @@ function Tree(frame,text,tree) {
index:0,
text:"",
line:1,
list:[],
items:[]
};
......@@ -203,6 +205,12 @@ function Tree(frame,text,tree) {
case KEY_UP:
retval = moveUp(this.depth==0);
break;
case KEY_HOME:
retval = home();
break;
case KEY_END:
retval = end();
break;
case "\r":
if(properties.index >= 0)
retval = this.current.action();
......@@ -241,7 +249,7 @@ function Tree(frame,text,tree) {
var args = Array.prototype.slice.apply(arguments);
var item=new TreeItem(args.shift(),this,args.shift(),args);
this.items.push(item);
this.refresh();
//this.refresh();
return item;
}
this.open = function() {
......@@ -300,6 +308,12 @@ function Tree(frame,text,tree) {
}
return false;
}
this.list = function(list) {
if(properties.parent)
properties.parent.list(list);
else
properties.list.push(list);
}
this.refresh=function() {
if(properties.parent) {
properties.parent.refresh();
......@@ -308,8 +322,17 @@ function Tree(frame,text,tree) {
if(!this.frame)
return;
this.generate();
var offset = this.line - this.frame.height;
this.frame.scrollTo(undefined,offset);
var offset = 0;
if(this.line > this.frame.height)
offset = this.line-this.frame.height;
var output = properties.list.splice(offset,this.frame.height);
for(var y=0;y<output.length;y++) {
for(var x=0;x<output[y].length;x++) {
var d = output[y][x];
this.frame.setData(x,y,d.ch,d.attr,false);
}
}
properties.list=[];
}
}
......@@ -317,55 +340,78 @@ function Tree(frame,text,tree) {
this.generate=function(last,current,line) {
if(properties.status&flags.HIDDEN)
return line;
var list=[];
var bg;
var fg;
/* if this tree is the top level, initialize recursive shit */
if(this.depth == 0) {
current = true;
line = 1;
this.frame.clear();
this.frame.scrollTo(0,0);
}
/* if this is a subtree, do stuff? */
else if(this.depth > 0) {
var str="";
/* set initial background color */
if(current && properties.index == -1) {
str+=getColor(this.colors.lbg);
/* if this is the current item, set lightbar bg color */
if(current) {
bg=this.colors.lbg;
this.line = line;
}
/* otherwise use regular menu bg color */
else {
str+=getColor(this.colors.hbg);
bg=this.colors.bg;
}
/* add indentation on subtrees */
str+=format("%-*s",this.depth-1,"");
/* set color for expansion character */
for(var i=0;i<this.depth-1;i++)
list.push({ch:undefined,attr:bg+fg});
/* do not draw tree branches on top level tree */
if(this.depth == 1)
str+=" ";
else if(last)
str+=getColor(this.colors.tfg)+"\xC0";
else
str+=getColor(this.colors.tfg)+"\xC3";
str+=getColor(this.colors.xfg);
if(properties.status&flags.CLOSED)
str+="+";
else
str+="-";
list.push({ch:undefined,attr:bg+fg});
/* if this is the bottom of a subtree */
else if(last) {
fg=this.colors.tfg;
list.push({ch:"\xC0",attr:bg+fg});
}
/* otherwise draw a right-hand tee for a tree item */
else {
fg=this.colors.tfg;
list.push({ch:"\xC3",attr:bg+fg});
}
/* if this tree is disabled, use disabled fg */
if(properties.status&flags.DISABLED)
str+=getColor(this.colors.dfg);
else if(current && properties.index == -1)
str+=getColor(this.colors.lfg);
fg=this.colors.dfg;
/* otherwise, if current? lightbar fg */
else if(current)
fg=this.colors.lfg;
/* normal menu fg */
else
str+=getColor(this.colors.hfg);
str+=properties.text;
str+=format("%-*s",this.frame.width-console.strlen(str),"");
this.frame.putmsg(str+"\r\n");
fg=this.colors.fg;
/* push text string into list */
for(var i=0;i<properties.text.length;i++)
list.push({ch:properties.text[i],attr:bg+fg});
/* populate remaining characters as undefined */
for(var i=0;i<this.frame.width-list.length;i++)
list.push({ch:undefined,attr:bg+fg});
line++;
this.list(list);
}
/* if this tree is "open", list its items */
if(!(properties.status&flags.CLOSED)) {
for(var i in properties.items) {
line = properties.items[i].generate(
(i == properties.items.length-1),
(current && properties.index == i),
line);
var l = (i == properties.items.length-1);
var c = (current && properties.index == i);
line = properties.items[i].generate(l,c,line);
}
}
return line;
}
this.updateIndex=function(cmd) {
......@@ -416,6 +462,20 @@ function Tree(frame,text,tree) {
}
return false;
}
function home() {
if(properties.index == 0)
return false;
properties.index = 0;
return true;
}
function end() {
if(properties.index == properties.items.length-1)
return false;
if(!(properties.items[properties.index].status&flags.disabled))
return true;
properties.index = properties.items.length-1;
return true;
}
function matchHotkey(cmd) {
if(!cmd.match(/\w/))
return false;
......@@ -450,8 +510,9 @@ function Tree(frame,text,tree) {
properties.frame=frame;
properties.frame.attr = this.colors.bg + this.colors.fg;
}
if(text)
if(text) {
properties.text = text;
}
}
init.apply(this,arguments);
}
......@@ -551,6 +612,9 @@ function TreeItem(text,parent,func,args) {
this.refresh();
return true;
}
this.list=function(str) {
properties.parent.list(str);
}
this.refresh=function() {
properties.parent.refresh();
}
......@@ -559,32 +623,57 @@ function TreeItem(text,parent,func,args) {
this.generate=function(last,current,line) {
if(properties.status&flags.HIDDEN)
return line;
var str="";
/* set initial background color */
var list=[];
var bg;
var fg;
/* if this is the current item, set lightbar bg color */
if(current) {
str+=getColor(this.colors.lbg);
bg=this.colors.lbg;
this.line = line;
}
/* otherwise use regular menu bg color */
else {
str+=getColor(this.colors.bg);
bg=this.colors.bg;
}
/* add indentation on subtrees */
str+=format("%-*s",this.depth-1,"");
for(var i=0;i<this.depth-1;i++)
list.push({ch:undefined,attr:bg+fg});
/* do not draw tree branches on top level tree */
if(this.depth == 1)
str+=" ";
else if(last)
str+=getColor(this.colors.tfg)+"\xC0";
else
str+=getColor(this.colors.tfg)+"\xC3";
list.push({ch:undefined,attr:bg+fg});
/* if this is the bottom of a subtree */
else if(last) {
fg=this.colors.tfg;
list.push({ch:"\xC0",attr:bg+fg});
}
/* otherwise draw a right-hand tee for a tree item */
else {
fg=this.colors.tfg;
list.push({ch:"\xC3",attr:bg+fg});
}
/* if this tree is disabled, use disabled fg */
if(properties.status&flags.DISABLED)
str+=getColor(this.colors.dfg);
fg=this.colors.dfg;
/* otherwise, if current? lightbar fg */
else if(current)
str+=getColor(this.colors.lfg);
fg=this.colors.lfg;
/* normal menu fg */
else
str+=getColor(this.colors.fg);
str+=properties.text;
str+=format("%-*s",this.frame.width-console.strlen(str),"");
this.frame.putmsg(str+"\r\n");
fg=this.colors.fg;
/* push text string into list */
for(var i=0;i<properties.text.length;i++)
list.push({ch:properties.text[i],attr:bg+fg});
/* populate remaining characters as undefined */
for(var i=0;i<this.frame.width-list.length;i++)
list.push({ch:undefined,attr:bg+fg});
this.list(list);
return ++line;
}
......@@ -601,4 +690,5 @@ function TreeItem(text,parent,func,args) {
}
}
init.apply(this,arguments);
}
\ No newline at end of file
}
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