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
|
package com.android.gallery3d.filtershow;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.TextView;
import com.android.gallery3d.R;
import com.android.gallery3d.filtershow.presets.ImagePreset;
import java.util.Vector;
public class HistoryAdapter extends ArrayAdapter<ImagePreset> {
private static final String LOGTAG = "HistoryAdapter";
private int mCurrentPresetPosition = 0;
public void setCurrentPreset(int n) {
mCurrentPresetPosition = n;
this.notifyDataSetChanged();
}
public HistoryAdapter(Context context, int resource, int textViewResourceId) {
super(context, resource, textViewResourceId);
}
public void reset() {
if (getCount() == 0) {
return;
}
ImagePreset first = getItem(getCount() - 1);
clear();
addHistoryItem(first);
}
public ImagePreset getLast() {
if (getCount() == 0) {
return null;
}
return getItem(0);
}
public void addHistoryItem(ImagePreset preset) {
if (canAddHistoryItem(preset)) {
insert(preset, 0);
}
}
public boolean canAddHistoryItem(ImagePreset preset) {
if (getCount() > 0 && getLast().same(preset)) {
// we may still want to insert if the previous
// history element isn't the same
if (getLast().historyName().equalsIgnoreCase(preset.historyName())) {
return false;
}
}
return true;
}
@Override
public void insert(ImagePreset preset, int position) {
if (mCurrentPresetPosition != 0) {
// in this case, let's discount the presets before the current one
Vector<ImagePreset> oldItems = new Vector<ImagePreset>();
for (int i = mCurrentPresetPosition; i < getCount(); i++) {
oldItems.add(getItem(i));
}
clear();
for (int i = 0; i < oldItems.size(); i++) {
add(oldItems.elementAt(i));
}
mCurrentPresetPosition = position;
this.notifyDataSetChanged();
if (!canAddHistoryItem(preset)) {
return;
}
}
super.insert(preset, position);
mCurrentPresetPosition = position;
this.notifyDataSetChanged();
}
public int redo() {
mCurrentPresetPosition--;
if (mCurrentPresetPosition < 0) {
mCurrentPresetPosition = 0;
}
this.notifyDataSetChanged();
return mCurrentPresetPosition;
}
public int undo() {
mCurrentPresetPosition++;
if (mCurrentPresetPosition >= getCount()) {
mCurrentPresetPosition = getCount() - 1;
}
this.notifyDataSetChanged();
return mCurrentPresetPosition;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
View view = convertView;
if (view == null) {
LayoutInflater inflater = (LayoutInflater) getContext().getSystemService(
Context.LAYOUT_INFLATER_SERVICE);
view = inflater.inflate(R.layout.filtershow_history_operation_row, null);
}
ImagePreset item = getItem(position);
if (item != null) {
TextView itemView = (TextView) view.findViewById(R.id.rowTextView);
if (itemView != null) {
itemView.setText(item.historyName());
}
ImageView markView = (ImageView) view.findViewById(R.id.selectedMark);
if (position == mCurrentPresetPosition) {
markView.setVisibility(View.VISIBLE);
} else {
markView.setVisibility(View.INVISIBLE);
}
ImageView typeView = (ImageView) view.findViewById(R.id.typeMark);
// TODO: use type of last filter, not a string, to discriminate.
if (position == getCount() - 1) {
typeView.setImageResource(R.drawable.ic_photoeditor_effects);
} else if (item.historyName().equalsIgnoreCase("Border")) {
typeView.setImageResource(R.drawable.ic_photoeditor_border);
} else if (item.historyName().equalsIgnoreCase("Straighten")) {
typeView.setImageResource(R.drawable.ic_photoeditor_fix);
} else if (item.historyName().equalsIgnoreCase("Crop")) {
typeView.setImageResource(R.drawable.ic_photoeditor_fix);
} else if (item.historyName().equalsIgnoreCase("Rotation")) {
typeView.setImageResource(R.drawable.ic_photoeditor_fix);
} else if (item.historyName().equalsIgnoreCase("Mirror")) {
typeView.setImageResource(R.drawable.ic_photoeditor_fix);
} else if (item.isFx()) {
typeView.setImageResource(R.drawable.ic_photoeditor_effects);
} else {
typeView.setImageResource(R.drawable.ic_photoeditor_color);
}
}
return view;
}
}
|
