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23
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function toggle_dir (header_a_tag) {
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var div = Element.next(header_a_tag);
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if (div._have_contents) {
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if (div.visible())
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Effect.BlindUp(div, {duration: 0.5});
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else
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Effect.BlindDown(div, {duration: 0.5});
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} else {
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new Ajax.Updater(div, "taggr2.py", {
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parameters: {
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act: "dirlist",
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path: div.id,
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},
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method: 'get',
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onSuccess: function () {
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Effect.BlindDown(div, {duration: 0.5});
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div._have_contents = true;
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}
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});
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}
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}
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function new_tag (tag_name) {
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var tag_images = Builder.node("td", {className:"tag_images"});
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$("tag_table").appendChild(
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Builder.node("tr", [
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Builder.node("td", {className:"tag"}, [
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tag_name
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]),
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tag_images
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])
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);
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}
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function image_dropped (img, tag, e) {
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}
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function image_loaded (img) {
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}
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function image_click (img, ev) {
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}
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function init () {
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}
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var g_drag, g_hover, g_start, g_offset, g_targets;
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function check_mouse_down (ev) {
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var e = ev.element();
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if (e.hasClassName("image")) {
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g_drag = e;
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g_start = false;
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var offset = e.cumulativeOffset();
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g_offset = {
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'left': ev.pointerX() - offset.left,
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'top': ev.pointerY() - offset.top
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};
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g_hover = null;
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g_targets = $$(".tag_images");
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} else if (e.hasClassName("directory_link")) {
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toggle_dir(e);
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} else {
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return true;
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}
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ev.stop();
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return false;
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}
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function check_mouse_up (ev) {
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if (g_drag) {
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if (g_start) {
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if (g_hover) {
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drag_unhover(g_drag, g_hover, ev);
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drag_end_drop(g_drag, g_hover, ev);
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} else
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drag_end_fail(g_drag, ev);
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drag_cleanup(g_drag);
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} else
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image_click(g_drag, ev);
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g_start = null;
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g_drag = null;
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g_hover = null;
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ev.stop();
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return false;
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}
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}
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function check_mouse_move (ev) {
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if (g_drag) {
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if (!g_start) {
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drag_start(g_drag);
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g_start = true;
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}
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drag_move(g_drag, ev);
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111 |
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Position.prepare();
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113 |
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var px = ev.pointerX();
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var py = ev.pointerY();
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116 |
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if (g_hover) {
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if (!Position.withinIncludingScrolloffsets(g_hover, px, py)) {
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drag_unhover(g_drag, g_hover, ev);
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g_hover = null;
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}
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} else {
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for (var i=0;i<g_targets.length;i++)
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if (Position.withinIncludingScrolloffsets(g_targets[i], px, py)) {
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drag_hover(g_drag, g_targets[i], ev);
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g_hover = g_targets[i];
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}
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}
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ev.stop();
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return false;
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}
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}
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function check_drag_hover (ev) {
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var e = ev.element();
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if (g_start) {
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138 |
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if (e.hasClassName("tag_images")) {
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drag_hover(g_drag, e, ev);
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g_hover = e;
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}
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}
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}
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function check_drag_nohover (ev) {
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var e = ev.element();
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if (g_start) {
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if (g_hover && e == g_hover) {
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drag_unhover(g_drag, g_hover, ev);
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g_hover = null;
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}
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}
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}
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var g_ghost;
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function drag_start (e) {
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g_ghost = Builder.node("img", {
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src: e.src
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});
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g_ghost._key = e.id;
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$('taggr').appendChild(g_ghost);
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g_ghost.style.position = "absolute";
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}
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function drag_move (e, ev) {
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g_ghost.style.left = ev.pointerX() - g_offset.left + "px";
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g_ghost.style.top = ev.pointerY() - g_offset.top + "px";
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}
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function drag_end_drop (e, s, ev) {
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if (!s.images)
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s.images = new Array();
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if (s.images.indexOf(g_ghost._key) != -1)
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return drag_end_fail();
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g_ghost.id = s.id + "_" + g_ghost._key
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s.images.push(g_ghost._key)
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$('taggr').removeChild(g_ghost);
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s.appendChild(g_ghost);
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g_ghost.style.position = "static";
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}
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function drag_end_fail (e, ev) {
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$('taggr').removeChild(g_ghost);
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}
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function drag_cleanup (e, ev) {
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g_ghost = null;
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}
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function drag_hover (e, s, ev) {
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s.addClassName("hover");
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}
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function drag_unhover (e, s, ev) {
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s.removeClassName("hover");
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}
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Event.observe(window, "load", init);
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Event.observe(document, "mousedown", check_mouse_down);
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Event.observe(document, "mouseup", check_mouse_up);
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Event.observe(document, "mousemove", check_mouse_move);
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Event.observe(document, "mouseover", check_drag_hover);
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Event.observe(document, "mouseout", check_drag_nohover);
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Event.observe(document, "dragenter", check_drag_hover);
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Event.observe(document, "dragexit", check_drag_nohover);
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216 |
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