1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
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
|
/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2016 - ROLI Ltd.
Permission is granted to use this software under the terms of either:
a) the GPL v2 (or any later version)
b) the Affero GPL v3
Details of these licenses can be found at: www.gnu.org/licenses
JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
------------------------------------------------------------------------------
To release a closed-source product which uses JUCE, commercial licenses are
available: visit www.juce.com for more information.
==============================================================================
*/
#ifndef JUCER_TEXTWITHDEFAULTPROPERTYCOMPONENT_H_INCLUDED
#define JUCER_TEXTWITHDEFAULTPROPERTYCOMPONENT_H_INCLUDED
template<typename Type>
class TextWithDefaultPropertyComponent : public PropertyComponent,
private Label::Listener
{
//==========================================================================
class LabelComp : public Label,
public FileDragAndDropTarget
{
public:
LabelComp (TextWithDefaultPropertyComponent& tpc, const int charLimit)
: Label (String(), String()),
owner (tpc),
maxChars (charLimit)
{
setEditable (true, true, false);
addListener (&tpc);
updateColours();
}
bool isInterestedInFileDrag (const StringArray&) override
{
return true;
}
void filesDropped (const StringArray& files, int, int) override
{
setText (getText() + files.joinIntoString (", "), sendNotificationSync);
showEditor();
}
TextEditor* createEditorComponent() override
{
TextEditor* const ed = Label::createEditorComponent();
ed->setInputRestrictions (maxChars);
return ed;
}
void textWasEdited() override
{
owner.textWasEdited();
}
void updateColours()
{
setColour (backgroundColourId, owner.findColour (TextWithDefaultPropertyComponent::backgroundColourId));
setColour (outlineColourId, owner.findColour (TextWithDefaultPropertyComponent::outlineColourId));
setColour (textColourId, owner.findColour (TextWithDefaultPropertyComponent::textColourId));
repaint();
}
private:
TextWithDefaultPropertyComponent& owner;
int maxChars;
};
protected:
//==========================================================================
TextWithDefaultPropertyComponent (const String& propertyName, int maxNumChars)
: PropertyComponent (propertyName)
{
createEditor (maxNumChars);
}
public:
//==========================================================================
TextWithDefaultPropertyComponent (CachedValue<Type>& valueToControl, const String& propertyName, int maxNumChars)
: PropertyComponent (propertyName),
cachedValue (valueToControl)
{
createEditor (maxNumChars);
refresh();
}
virtual String getText() const
{
return cachedValue.get();
}
enum ColourIds
{
backgroundColourId = 0x100e401, /**< The colour to fill the background of the text area. */
textColourId = 0x100e402, /**< The colour to use for the editable text. */
outlineColourId = 0x100e403, /**< The colour to use to draw an outline around the text area. */
};
void colourChanged() override
{
PropertyComponent::colourChanged();
textEditor->updateColours();
}
//==============================================================================
void refresh() override
{
if (cachedValue.isUsingDefault())
setColour (textColourId, Colours::grey);
else
setColour (textColourId, Colours::black);
textEditor->setText (getText(), dontSendNotification);
}
virtual void textWasEdited()
{
String textDisplayed = textEditor->getText();
if (textDisplayed.isEmpty())
cachedValue.resetToDefault();
else
cachedValue = textDisplayed;
refresh();
}
private:
//==============================================================================
friend class LabelComp;
CachedValue<Type>& cachedValue;
ScopedPointer<LabelComp> textEditor;
void createEditor (int maxNumChars)
{
addAndMakeVisible (textEditor = new LabelComp (*this, maxNumChars));
}
void labelTextChanged (Label*) override {}
void editorShown (Label*, TextEditor& editor) override
{
if (cachedValue.isUsingDefault())
editor.setText (String(), dontSendNotification);
}
void editorHidden (Label*, TextEditor&) override {}
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (TextWithDefaultPropertyComponent)
};
#endif // JUCER_TEXTWITHDEFAULTPROPERTYCOMPONENT_H_INCLUDED
|
