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/* Redmine - project management software
Copyright (C) 2006-2016 Jean-Philippe Lang */
var draw_gantt = null;
var draw_top;
var draw_right;
var draw_left;
var rels_stroke_width = 2;
function setDrawArea() {
draw_top = $("#gantt_draw_area").position().top;
draw_right = $("#gantt_draw_area").width();
draw_left = $("#gantt_area").scrollLeft();
}
function getRelationsArray() {
var arr = new Array();
$.each($('div.task_todo[data-rels]'), function(index_div, element) {
var element_id = $(element).attr("id");
if (element_id != null) {
var issue_id = element_id.replace("task-todo-issue-", "");
var data_rels = $(element).data("rels");
for (rel_type_key in data_rels) {
$.each(data_rels[rel_type_key], function(index_issue, element_issue) {
arr.push({issue_from: issue_id, issue_to: element_issue,
rel_type: rel_type_key});
});
}
}
});
return arr;
}
function drawRelations() {
var arr = getRelationsArray();
$.each(arr, function(index_issue, element_issue) {
var issue_from = $("#task-todo-issue-" + element_issue["issue_from"]);
var issue_to = $("#task-todo-issue-" + element_issue["issue_to"]);
if (issue_from.size() == 0 || issue_to.size() == 0) {
return;
}
var issue_height = issue_from.height();
var issue_from_top = issue_from.position().top + (issue_height / 2) - draw_top;
var issue_from_right = issue_from.position().left + issue_from.width();
var issue_to_top = issue_to.position().top + (issue_height / 2) - draw_top;
var issue_to_left = issue_to.position().left;
var color = issue_relation_type[element_issue["rel_type"]]["color"];
var landscape_margin = issue_relation_type[element_issue["rel_type"]]["landscape_margin"];
var issue_from_right_rel = issue_from_right + landscape_margin;
var issue_to_left_rel = issue_to_left - landscape_margin;
draw_gantt.path(["M", issue_from_right + draw_left, issue_from_top,
"L", issue_from_right_rel + draw_left, issue_from_top])
.attr({stroke: color,
"stroke-width": rels_stroke_width
});
if (issue_from_right_rel < issue_to_left_rel) {
draw_gantt.path(["M", issue_from_right_rel + draw_left, issue_from_top,
"L", issue_from_right_rel + draw_left, issue_to_top])
.attr({stroke: color,
"stroke-width": rels_stroke_width
});
draw_gantt.path(["M", issue_from_right_rel + draw_left, issue_to_top,
"L", issue_to_left + draw_left, issue_to_top])
.attr({stroke: color,
"stroke-width": rels_stroke_width
});
} else {
var issue_middle_top = issue_to_top +
(issue_height *
((issue_from_top > issue_to_top) ? 1 : -1));
draw_gantt.path(["M", issue_from_right_rel + draw_left, issue_from_top,
"L", issue_from_right_rel + draw_left, issue_middle_top])
.attr({stroke: color,
"stroke-width": rels_stroke_width
});
draw_gantt.path(["M", issue_from_right_rel + draw_left, issue_middle_top,
"L", issue_to_left_rel + draw_left, issue_middle_top])
.attr({stroke: color,
"stroke-width": rels_stroke_width
});
draw_gantt.path(["M", issue_to_left_rel + draw_left, issue_middle_top,
"L", issue_to_left_rel + draw_left, issue_to_top])
.attr({stroke: color,
"stroke-width": rels_stroke_width
});
draw_gantt.path(["M", issue_to_left_rel + draw_left, issue_to_top,
"L", issue_to_left + draw_left, issue_to_top])
.attr({stroke: color,
"stroke-width": rels_stroke_width
});
}
draw_gantt.path(["M", issue_to_left + draw_left, issue_to_top,
"l", -4 * rels_stroke_width, -2 * rels_stroke_width,
"l", 0, 4 * rels_stroke_width, "z"])
.attr({stroke: "none",
fill: color,
"stroke-linecap": "butt",
"stroke-linejoin": "miter"
});
});
}
function getProgressLinesArray() {
var arr = new Array();
var today_left = $('#today_line').position().left;
arr.push({left: today_left, top: 0});
$.each($('div.issue-subject, div.version-name'), function(index, element) {
var t = $(element).position().top - draw_top ;
var h = ($(element).height() / 9);
var element_top_upper = t - h;
var element_top_center = t + (h * 3);
var element_top_lower = t + (h * 8);
var issue_closed = $(element).children('span').hasClass('issue-closed');
var version_closed = $(element).children('span').hasClass('version-closed');
if (issue_closed || version_closed) {
arr.push({left: today_left, top: element_top_center});
} else {
var issue_done = $("#task-done-" + $(element).attr("id"));
var is_behind_start = $(element).children('span').hasClass('behind-start-date');
var is_over_end = $(element).children('span').hasClass('over-end-date');
if (is_over_end) {
arr.push({left: draw_right, top: element_top_upper, is_right_edge: true});
arr.push({left: draw_right, top: element_top_lower, is_right_edge: true, none_stroke: true});
} else if (issue_done.size() > 0) {
var done_left = issue_done.first().position().left +
issue_done.first().width();
arr.push({left: done_left, top: element_top_center});
} else if (is_behind_start) {
arr.push({left: 0 , top: element_top_upper, is_left_edge: true});
arr.push({left: 0 , top: element_top_lower, is_left_edge: true, none_stroke: true});
} else {
var todo_left = today_left;
var issue_todo = $("#task-todo-" + $(element).attr("id"));
if (issue_todo.size() > 0){
todo_left = issue_todo.first().position().left;
}
arr.push({left: Math.min(today_left, todo_left), top: element_top_center});
}
}
});
return arr;
}
function drawGanttProgressLines() {
var arr = getProgressLinesArray();
var color = $("#today_line")
.css("border-left-color");
var i;
for(i = 1 ; i < arr.length ; i++) {
if (!("none_stroke" in arr[i]) &&
(!("is_right_edge" in arr[i - 1] && "is_right_edge" in arr[i]) &&
!("is_left_edge" in arr[i - 1] && "is_left_edge" in arr[i]))
) {
var x1 = (arr[i - 1].left == 0) ? 0 : arr[i - 1].left + draw_left;
var x2 = (arr[i].left == 0) ? 0 : arr[i].left + draw_left;
draw_gantt.path(["M", x1, arr[i - 1].top,
"L", x2, arr[i].top])
.attr({stroke: color, "stroke-width": 2});
}
}
}
function drawGanttHandler() {
var folder = document.getElementById('gantt_draw_area');
if(draw_gantt != null)
draw_gantt.clear();
else
draw_gantt = Raphael(folder);
setDrawArea();
if ($("#draw_progress_line").prop('checked'))
drawGanttProgressLines();
if ($("#draw_relations").prop('checked'))
drawRelations();
}
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