author | František Kučera <franta-hg@frantovo.cz> |
Thu, 20 Dec 2018 00:26:00 +0100 | |
branch | v_0 |
changeset 35 | f3a67148f520 |
parent 29 | 0f9f7d6564cd |
child 42 | 707a6734f364 |
permissions | -rw-r--r-- |
29
0f9f7d6564cd
license: GNU GPLv3+
František Kučera <franta-hg@frantovo.cz>
parents:
28
diff
changeset
|
1 |
/** |
0f9f7d6564cd
license: GNU GPLv3+
František Kučera <franta-hg@frantovo.cz>
parents:
28
diff
changeset
|
2 |
* Relational pipes |
0f9f7d6564cd
license: GNU GPLv3+
František Kučera <franta-hg@frantovo.cz>
parents:
28
diff
changeset
|
3 |
* Copyright © 2018 František Kučera (Frantovo.cz, GlobalCode.info) |
0f9f7d6564cd
license: GNU GPLv3+
František Kučera <franta-hg@frantovo.cz>
parents:
28
diff
changeset
|
4 |
* |
0f9f7d6564cd
license: GNU GPLv3+
František Kučera <franta-hg@frantovo.cz>
parents:
28
diff
changeset
|
5 |
* This program is free software: you can redistribute it and/or modify |
0f9f7d6564cd
license: GNU GPLv3+
František Kučera <franta-hg@frantovo.cz>
parents:
28
diff
changeset
|
6 |
* it under the terms of the GNU General Public License as published by |
0f9f7d6564cd
license: GNU GPLv3+
František Kučera <franta-hg@frantovo.cz>
parents:
28
diff
changeset
|
7 |
* the Free Software Foundation, either version 3 of the License, or |
0f9f7d6564cd
license: GNU GPLv3+
František Kučera <franta-hg@frantovo.cz>
parents:
28
diff
changeset
|
8 |
* (at your option) any later version. |
0f9f7d6564cd
license: GNU GPLv3+
František Kučera <franta-hg@frantovo.cz>
parents:
28
diff
changeset
|
9 |
* |
0f9f7d6564cd
license: GNU GPLv3+
František Kučera <franta-hg@frantovo.cz>
parents:
28
diff
changeset
|
10 |
* This program is distributed in the hope that it will be useful, |
0f9f7d6564cd
license: GNU GPLv3+
František Kučera <franta-hg@frantovo.cz>
parents:
28
diff
changeset
|
11 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
0f9f7d6564cd
license: GNU GPLv3+
František Kučera <franta-hg@frantovo.cz>
parents:
28
diff
changeset
|
12 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
0f9f7d6564cd
license: GNU GPLv3+
František Kučera <franta-hg@frantovo.cz>
parents:
28
diff
changeset
|
13 |
* GNU General Public License for more details. |
0f9f7d6564cd
license: GNU GPLv3+
František Kučera <franta-hg@frantovo.cz>
parents:
28
diff
changeset
|
14 |
* |
0f9f7d6564cd
license: GNU GPLv3+
František Kučera <franta-hg@frantovo.cz>
parents:
28
diff
changeset
|
15 |
* You should have received a copy of the GNU General Public License |
0f9f7d6564cd
license: GNU GPLv3+
František Kučera <franta-hg@frantovo.cz>
parents:
28
diff
changeset
|
16 |
* along with this program. If not, see <http://www.gnu.org/licenses/>. |
0f9f7d6564cd
license: GNU GPLv3+
František Kučera <franta-hg@frantovo.cz>
parents:
28
diff
changeset
|
17 |
*/ |
28
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
18 |
#pragma once |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
19 |
|
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
20 |
#include <iostream> |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
21 |
|
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
22 |
#include <QWidget> |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
23 |
#include <QGridLayout> |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
24 |
#include <QLabel> |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
25 |
|
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
26 |
#include <QChart> |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
27 |
#include <QChartView> |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
28 |
#include <QStackedBarSeries> |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
29 |
#include <QBarCategoryAxis> |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
30 |
#include <QVBarModelMapper> |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
31 |
|
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
32 |
|
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
33 |
#include <relpipe/reader/typedefs.h> |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
34 |
#include <relpipe/reader/TypeId.h> |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
35 |
#include <relpipe/reader/handlers/AttributeMetadata.h> |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
36 |
|
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
37 |
#include "RelpipeTableModel.h" |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
38 |
|
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
39 |
using namespace relpipe::reader; |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
40 |
using namespace relpipe::reader::handlers; |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
41 |
|
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
42 |
QT_CHARTS_USE_NAMESPACE |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
43 |
|
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
44 |
class RelpipeChartWidget : public QWidget { |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
45 |
Q_OBJECT |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
46 |
private: |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
47 |
RelpipeTableModel* model; |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
48 |
|
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
49 |
QGridLayout* layout; |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
50 |
QChart* chart; |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
51 |
QChartView* chartView; |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
52 |
QVBarModelMapper* mapper; |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
53 |
QStackedBarSeries* series; |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
54 |
QBarCategoryAxis* axis; |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
55 |
|
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
56 |
boolean_t isNumeric(TypeId typeId) { |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
57 |
return typeId == TypeId::INTEGER; |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
58 |
} |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
59 |
|
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
60 |
int firstValueColumn() { |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
61 |
int first = lastValueColumn(); |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
62 |
for (int i = first; i > 0; i--) if (isNumeric(model->attributeType(i))) first = i; else break; |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
63 |
return first; |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
64 |
} |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
65 |
|
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
66 |
int lastValueColumn() { |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
67 |
return model->columnCount() - 1; |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
68 |
} |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
69 |
|
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
70 |
public: |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
71 |
|
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
72 |
RelpipeChartWidget(RelpipeTableModel* model, QWidget* parent = Q_NULLPTR) : model(model), QWidget(parent) { |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
73 |
layout = new QGridLayout(); |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
74 |
setLayout(layout); |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
75 |
} |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
76 |
|
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
77 |
void endOfRelation() { |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
78 |
if (hasChartData()) { |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
79 |
chart = new QChart(); |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
80 |
chartView = new QChartView(chart, this); |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
81 |
mapper = new QVBarModelMapper(chartView); |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
82 |
series = new QStackedBarSeries(mapper); |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
83 |
mapper->setFirstBarSetColumn(firstValueColumn()); |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
84 |
mapper->setLastBarSetColumn(lastValueColumn()); |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
85 |
mapper->setSeries(series); |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
86 |
mapper->setModel(model); |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
87 |
|
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
88 |
|
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
89 |
axis = new QBarCategoryAxis(chartView); |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
90 |
for (int i = 0; i < model->rowCount(); i++) axis->append(model->data(model->index(i, 0)).toString()); |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
91 |
chart->addSeries(series); |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
92 |
chart->createDefaultAxes(); |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
93 |
chart->setAxisX(axis, series); |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
94 |
layout->addWidget(chartView); |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
95 |
} else { |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
96 |
layout->addWidget(new QLabel("This relation can't be displayed as a chart.", this)); |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
97 |
} |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
98 |
} |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
99 |
|
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
100 |
/** |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
101 |
* @return whether drawing a chart makes sense for this relation |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
102 |
*/ |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
103 |
boolean_t hasChartData() { |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
104 |
return model->columnCount() >= 2 // first = category, last = numeric value |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
105 |
&& isNumeric(model->attributeType(lastValueColumn())); // at least the last attribute must be numeric |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
106 |
} |
04f1ac8a931b
Qt Charts: first working version
František Kučera <franta-hg@frantovo.cz>
parents:
diff
changeset
|
107 |
}; |