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First attempt in making vimperator object orietened.

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For now only the CommandLine widget was made a real encapsulated object.
This commit is contained in:
Martin Stubenschrott
2007-05-11 12:42:17 +00:00
parent 0d7ff394b9
commit 7ac9a05803
10 changed files with 426 additions and 720 deletions
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225
chrome/content/vimperator/completion.js
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@@ -30,180 +30,6 @@ var g_completions = new Array();
// The completion substrings, used for showing the longest common match
var g_substrings = [];
var comp_tab_index = COMPLETION_UNINITIALIZED; // the index in the internal g_completions array
var comp_tab_list_offset = 0; // how many items is the displayed list shifted from the internal tab index
var comp_tab_startstring = "";
var comp_history = new Array();
var comp_history_index = -1;
/* uses the entries in g_completions to fill the listbox
* starts at index 'startindex', and shows COMPLETION_MAXITEMS
* returns the number of items */
function completion_fill_list(startindex)/*{{{*/
{
// remove all old items first
var items = completion_list.getElementsByTagName("listitem");
while (items.length > 0) { completion_list.removeChild(items[0]);}
// find start index
//var i = index - 3; // 3 lines of context
if (startindex + COMPLETION_MAXITEMS > g_completions.length)
startindex = g_completions.length - COMPLETION_MAXITEMS;
if (startindex < 0)
startindex = 0;
for(i=startindex; i<g_completions.length && i < startindex + COMPLETION_MAXITEMS; i++)
{
completion_add_to_list(g_completions[i], false);
}
//completion_list.hidden = true;
// completion_list.setAttribute("rows", (i-startindex).toString());
// showStatusbarMessage ( (i-startindex).toString(), 1);
// if ( i-startindex > 0) // XXX: respect completetopt setting
// completion_list.hidden = false;
// else
// completion_list.hidden = true;
// completion_list.setAttribute("rows", (i-startindex).toString());
return (i-startindex);
}/*}}}*/
function completion_show_list()/*{{{*/
{
var items = g_completions.length;
if (items > COMPLETION_MAXITEMS)
items = COMPLETION_MAXITEMS;
if (items > 1) // FIXME
{
completion_list.setAttribute("rows", items.toString());
completion_list.hidden = false;
}
else
completion_list.hidden = true;
}/*}}}*/
/* add a single completion item to the list */
function completion_add_to_list(completion_item, at_beginning)/*{{{*/
{
var item = document.createElement("listitem");
var cell1 = document.createElement("listcell");
var cell2 = document.createElement("listcell");
cell1.setAttribute("label", completion_item[0]);
cell1.setAttribute("width", "200");
cell2.setAttribute("label", completion_item[1]);
cell2.setAttribute("style", "color:green; font-family: sans");
item.appendChild(cell1);
item.appendChild(cell2);
if (at_beginning == true)
{
var items = completion_list.getElementsByTagName("listitem");
if (items.length > 0)
completion_list.insertBefore(item, items[0]);
else
completion_list.appendChild(item);
}
else
completion_list.appendChild(item);
}/*}}}*/
/* select the next index, refill list if necessary
*
* changes 'comp_tab_index' */
function completion_select_next_item(has_list, has_full, has_longest)/*{{{*/
{
if (has_full)
comp_tab_index++;
has_list = has_list || (!completion_list.hidden && (has_full || has_longest));
if (comp_tab_index >= g_completions.length) /* wrap around */
{
comp_tab_index = -1;
if (has_list && has_full)
completion_list.selectedIndex = -1;
return;
}
if (has_full)
showStatusbarMessage(" match " + (comp_tab_index + 1).toString() + " of " + g_completions.length.toString() + " ", STATUSFIELD_PROGRESS);
if (!has_list) return;
if (comp_tab_index < 1) // at the top of the list
{
completion_fill_list(0);
comp_tab_list_offset = 0;
}
var listindex = comp_tab_index - comp_tab_list_offset;
// only move the list, if there are still items we can move
if (listindex >= COMPLETION_MAXITEMS - COMPLETION_CONTEXTLINES &&
comp_tab_list_offset < g_completions.length - COMPLETION_MAXITEMS)
{
// for speed reason: just remove old item, and add new at the end of the list
var items = completion_list.getElementsByTagName("listitem");
completion_list.removeChild(items[0]);
completion_add_to_list(g_completions[comp_tab_index + COMPLETION_CONTEXTLINES], false);
comp_tab_list_offset++;
}
if (has_full)
{
listindex = comp_tab_index - comp_tab_list_offset;
completion_list.selectedIndex = listindex;
}
}/*}}}*/
/* select the previous index, refill list if necessary
*
* changes 'comp_tab_index' */
function completion_select_previous_item(has_list, has_full, has_longest)/*{{{*/
{
if (has_full)
comp_tab_index--;
has_list = has_list || (!completion_list.hidden && (has_full || has_longest));
if (comp_tab_index == -1)
{
if (has_list && has_full)
completion_list.selectedIndex = -1;
return;
}
if (has_full)
showStatusbarMessage("match " + (comp_tab_index+1).toString() + " of " + g_completions.length.toString(), STATUSFIELD_PROGRESS);
if (comp_tab_index < -1) // go to the end of the list
{
comp_tab_index = g_completions.length -1;
if (!has_list) return;
completion_fill_list(g_completions.length - COMPLETION_MAXITEMS);
comp_tab_list_offset = g_completions.length - COMPLETION_MAXITEMS;//COMPLETION_MAXITEMS - 1;
if (comp_tab_list_offset < 0)
comp_tab_list_offset = 0;
}
if (!has_list) return;
var listindex = comp_tab_index - comp_tab_list_offset;
// only move the list, if there are still items we can move
if (listindex < COMPLETION_CONTEXTLINES && comp_tab_list_offset > 0)
{
// for speed reason: just remove old item, and add new at the end of the list
if (has_list)
{
var items = completion_list.getElementsByTagName("listitem");
completion_list.removeChild(items[items.length-1]);
completion_add_to_list(g_completions[comp_tab_index - COMPLETION_CONTEXTLINES], true);
}
comp_tab_list_offset--;
}
if (has_full)
{
listindex = comp_tab_index - comp_tab_list_offset;
completion_list.selectedIndex = listindex;
}
}/*}}}*/
/*
* returns the longest common substring
@@ -224,7 +50,7 @@ function get_longest_substring()/*{{{*/
return longest;
}/*}}}*/
// function is case insensitive
// function uses smartcase
// list = [ [['com1', 'com2'], 'text'], [['com3', 'com4'], 'text'] ]
function build_longest_common_substring(list, filter)/*{{{*/
{
@@ -271,7 +97,7 @@ function build_longest_common_substring(list, filter)/*{{{*/
return filtered;
}/*}}}*/
/* this function is case senstitive */
/* this function is case sensitive */
function build_longest_starting_substring(list, filter)/*{{{*/
{
var filtered = [];
@@ -691,27 +517,42 @@ function get_buffer_completions(filter)/*{{{*/
return build_longest_common_substring(items, filter);
}/*}}}*/
////////// COMMAND HISTORY HANDLING ////////////
function add_to_command_history(str)
// return [startindex, [[itemtext, itemhelp],...]]
function exTabCompletion(str)
{
/* add string to the command line history */
if (str.length >= 2 && comp_history.push(str) > COMMAND_LINE_HISTORY_SIZE)
comp_history.shift();
}
var [count, cmd, special, args] = tokenize_ex(str);
var completions = new Array;
var start = 0;
var s = 0; //FIXME, command specific start setting
function save_history()
{
set_pref("comp_history", comp_history.join("\n"));
// if there is no space between the command name and the cursor
// then get completions of the command name
var matches = str.match(/^(:*\d*)\w*$/);
if(matches)
{
completions = get_command_completions(cmd);
start = matches[1].length;
}
else // dynamically get completions as specified in the g_commands array
{
var command = get_command(cmd);
if (command && command[COMPLETEFUNC])
{
completions = command[COMPLETEFUNC].call(this, args);
// if (command[COMMANDS][0] == "open" ||
// command[COMMANDS][0] == "tabopen" ||
// command[COMMANDS][0] == "winopen")
// start = str.search(/^:*\d*\w+(\s+|.*\|)/); // up to the last | or the first space
// else
matches = str.match(/^:*\d*\w+\s+/); // up to the first spaces only
start = matches[0].length;
}
}
return [start, completions];
}
function load_history()
{
var hist = get_pref("comp_history", "");
comp_history = hist.split("\n");
}
///////// PREVIEW WINDOW //////////////////////
/* uses the entries in completions to fill the listbox */