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// PLUGIN_INFO {{{
let PLUGIN_INFO =
<VimperatorPlugin>
<name>Buftabs</name>
<description>Add buffer tabs to the statusline to save space.</description>
<version>1.1</version>
<author mail="lucas@tuple-typed.org" homepage="http://tuple-typed.org/">Lucas de Vries (GGLucas)</author>
<license>WTFPL version 2 (http://sam.zoy.org/wtfpl/)</license>
<minVersion>2.2</minVersion>
<maxVersion>2.2</maxVersion>
<detail><![CDATA[
== Usage ==
When the script is loaded it hijacks the statusline to display a list of tabs,
you can use the "buftabs" option to toggle it on or off.
== Styling ==
Use the BufTab and BufTabSelected highlight groups to style the buftabs.
Make sure you've called the "loadplugins" command before using the highlight
groups in your vimperatorrc.
== Length ==
You can set the max length of a title before it is cut off with the
buftabs_maxlength option. It is set to 25 by default.
]]></detail>
</VimperatorPlugin>;
// }}}
buftabs = {
// Update the tabs
updateUrl: function (url)
{
// Get buftabbar
var btabs = document.getElementById("liberator-statusline-buftabs");
var urlWidget = document.getElementById("liberator-statusline-field-url");
var browsers = tabs.getBrowser().browsers;
var position=0, selpos;
// Make sure we have an appropriate amount of labels
while (btabs.childNodes.length > browsers.length)
{
btabs.removeChild(btabs.lastChild);
}
while (btabs.childNodes.length < browsers.length)
{
var label = document.createElement("label");
btabs.appendChild(label);
label.onclick = function (ev)
{
if (ev.button == 0)
tabs.select(this.tabpos);
else if (ev.button == 1)
tabs.remove(tabs.getTab(this.tabpos), 1, false, 0);
}
}
// Create the new tabs
for (let i=0; i < browsers.length; i++)
{
// Create label
var browser = browsers[i];
var label = btabs.childNodes[i];
// Hook on load
if (browser.webProgress.isLoadingDocument)
{
browser._buftabs_label = label;
browser.contentDocument.addEventListener("load", function ()
{
buftabs.fillLabel(this._buftabs_label, this);
}, false);
}
// Fill label
label.tabpos = i;
buftabs.fillLabel(label, browser);
if (tabs.index() == label.tabpos)
{
selpos = [position, label.clientWidth+position];
}
position += label.clientWidth;
}
// Scroll
if (selpos[0] < btabs.scrollLeft || selpos[1] > btabs.scrollLeft+btabs.clientWidth)
btabs.scrollLeft = selpos[0];
// Show the entire line if possible
if (btabs.scrollWidth == btabs.clientWidth)
btabs.scrollLeft = 0;
// Empty url label
urlWidget.value = "";
},
// Fill a label with browser content
fillLabel: function(label, browser)
{
var maxlength = options.get("buftabs_maxlength").get();
var tabvalue;
// Get title
if (browser.webProgress.isLoadingDocument)
{
tabvalue = "Loading...";
} else {
tabvalue = browser.contentTitle || "Untitled";
}
// Check length
if (tabvalue.length > maxlength)
tabvalue = tabvalue.substr(0, maxlength-3)+"...";
// Bookmark icon
if (bookmarks.isBookmarked(browser.contentDocument.location.href))
tabvalue += "\u2764";
// Brackets and index
tabvalue = "["+(label.tabpos+1)+"-"+tabvalue+"]";
label.setAttribute("value", tabvalue);
// Set the correct highlight group
if (tabs.index() == label.tabpos)
label.setAttributeNS(NS.uri, "highlight", "BufTabSelected");
else
label.setAttributeNS(NS.uri, "highlight", "BufTab");
},
// Create the horizontal box for adding the tabs to
createBar: function()
{
var statusline = document.getElementById("liberator-statusline");
var buftabs = document.getElementById("liberator-statusline-buftabs");
var urlWidget = document.getElementById("liberator-statusline-field-url");
// Only create if it doesn't exist yet
if (!buftabs)
{
buftabs = document.createElement("hbox");
buftabs.setAttribute("id", "liberator-statusline-buftabs");
buftabs.setAttribute("flex", "1");
buftabs.style.overflow = "hidden"
statusline.insertBefore(buftabs, urlWidget);
}
},
destroyBar: function()
{
var statusline = document.getElementById("liberator-statusline");
var buftabs = document.getElementById("liberator-statusline-buftabs");
if (buftabs)
statusline.removeChild(buftabs);
}
}
/// Attach to events in order to update the tabline
var tabContainer = tabs.getBrowser().mTabContainer;
buftabs._statusline_updateUrl = statusline.updateUrl;
tabContainer.addEventListener("TabMove", function (event) {
if (options.get("buftabs").get())
statusline.updateUrl();
}, false);
tabContainer.addEventListener("TabOpen", function (event) {
if (options.get("buftabs").get())
statusline.updateUrl();
}, false);
tabContainer.addEventListener("TabClose", function (event) {
if (options.get("buftabs").get())
setTimeout(statusline.updateUrl, 0);
}, false);
tabContainer.addEventListener("TabSelect", function (event) {
if (options.get("buftabs").get())
statusline.updateUrl();
}, false);
tabs.getBrowser().addEventListener("load", function (event) {
if (options.get("buftabs").get())
statusline.updateUrl();
}, false);
/// Initialise highlight groups
highlight.loadCSS(String(<![CDATA[
BufTab
BufTabSelected font-weight: bold;
]]>));
/// Options
options.add(["buftabs"],
"Control whether to use buftabs in the statusline",
"boolean", true,
{
setter: function (value)
{
if (value)
{
buftabs.createBar();
buftabs.updateUrl(null);
statusline.updateUrl = buftabs.updateUrl;
} else {
buftabs.destroyBar();
statusline.updateUrl = buftabs._statusline_updateUrl;
statusline.update();
}
return value;
},
completer: function (context)
[
[false, "Don't show buftabs, show the url"],
[true, "Show buftabs"]
],
validator: Option.validateCompleter
});
options.add(["buftabs_maxlength"],
"Max length of an entry in the buftabs list",
"number", "25",
{
setter: function (value)
{
buftabs.updateUrl();
return value;
}
});
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