/* * Copyright 2000-2014 Vaadin Ltd. * * Licensed under the Apache License, Version 2.0 (the "License"); you may not * use this file except in compliance with the License. You may obtain a copy of * the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations under * the License. */ package com.vaadin.data.util; import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.nio.charset.Charset; /** * Property implementation for wrapping a text file. * * Supports reading and writing of a File from/to String. * * {@link ValueChangeListener}s are supported, but only fire when * setValue(Object) is explicitly called. {@link ReadOnlyStatusChangeListener}s * are supported but only fire when setReadOnly(boolean) is explicitly called. * */ @SuppressWarnings("serial") public class TextFileProperty extends AbstractProperty { private File file; private Charset charset = null; /** * Wrap given file with property interface. * * Setting the file to null works, but getValue() will return null. * * @param file * File to be wrapped. */ public TextFileProperty(File file) { this.file = file; } /** * Wrap the given file with the property interface and specify character * set. * * Setting the file to null works, but getValue() will return null. * * @param file * File to be wrapped. * @param charset * Charset to be used for reading and writing the file. */ public TextFileProperty(File file, Charset charset) { this.file = file; this.charset = charset; } /* * (non-Javadoc) * * @see com.vaadin.data.Property#getType() */ @Override public Class getType() { return String.class; } /* * (non-Javadoc) * * @see com.vaadin.data.Property#getValue() */ @Override public String getValue() { if (file == null) { return null; } try { FileInputStream fis = new FileInputStream(file); InputStreamReader isr = charset == null ? new InputStreamReader(fis) : new InputStreamReader(fis, charset); BufferedReader r = new BufferedReader(isr); StringBuilder b = new StringBuilder(); char buf[] = new char[8 * 1024]; int len; while ((len = r.read(buf)) != -1) { b.append(buf, 0, len); } r.close(); isr.close(); fis.close(); return b.toString(); } catch (FileNotFoundException e) { return null; } catch (IOException e) { throw new RuntimeException(e); } } /* * (non-Javadoc) * * @see com.vaadin.data.Property#isReadOnly() */ @Override public boolean isReadOnly() { return file == null || super.isReadOnly() || !file.canWrite(); } /* * (non-Javadoc) * * @see com.vaadin.data.Property#setValue(java.lang.Object) */ @Override public void setValue(String newValue) throws ReadOnlyException { if (isReadOnly()) { throw new ReadOnlyException(); } if (file == null) { return; } try { FileOutputStream fos = new FileOutputStream(file); OutputStreamWriter osw = charset == null ? new OutputStreamWriter(fos) : new OutputStreamWriter(fos, charset); BufferedWriter w = new BufferedWriter(osw); w.append(newValue.toString()); w.flush(); w.close(); osw.close(); fos.close(); fireValueChange(); } catch (IOException e) { throw new RuntimeException(e); } } } 9 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 
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 ($("#draw_progress_line").attr('checked'))
    drawGanttProgressLines();
  if ($("#draw_relations").attr('checked'))
    drawRelations();
}