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Copy pathTable.java
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executable file
·416 lines (410 loc) · 10.3 KB
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package javaforce.webui;
/** Table
*
* @author pquiring
*/
import java.util.*;
import javaforce.webui.event.*;
public class Table extends Container implements Click {
private int cellWidth, cellHeight, cols, rows;
private boolean border;
private boolean has_header;
private int sel_mode;
private int[] cellWidths;
public static final int SELECT_CELL = 0;
public static final int SELECT_ROW = 1;
public static final int SELECT_COLUMN = 2;
/** Create a table with uniform cells. */
public Table(int cellWidth, int cellHeight, int cols, int rows) {
this.cellWidth = cellWidth; //X
this.cellHeight = cellHeight; //Y
this.cols = cols; //X
this.rows = rows; //Y
setClass("table");
setSize();
}
/** Create a table with different widths per column. */
public Table(int[] cellWidths, int cellHeight, int cols, int rows) {
this.cellWidths = cellWidths; //X
this.cellHeight = cellHeight; //Y
this.cols = cellWidths.length; //X
this.rows = rows; //Y
setClass("table");
setSize();
}
private int getColWidth(int col) {
if (cellWidths == null) {
return cellWidth;
} else {
return cellWidths[col];
}
}
private int getColPosition(int col) {
if (cellWidths == null) {
return col * cellWidth;
} else {
int total = 0;
for(int x = 0;x<col;x++) {
total += cellWidths[x];
}
return total;
}
}
private class Cell extends Block {
public int x,y,spanx,spany;
private boolean border;
public Cell(Component comp, boolean border) {
this.border = border;
setClass("cell");
add(comp);
if (border) {
addClass("border");
}
}
public String html() {
setSize(spanx * getColWidth(x), spany * cellHeight);
//setPosition(x * width, y * height);
setStyle("left", Integer.toString(getColPosition(x)));
setStyle("top", Integer.toString(y * cellHeight));
StringBuilder sb = new StringBuilder();
sb.append("<div" + getAttrs() + ">");
sb.append(get(0).html());
sb.append("</div>");
return sb.toString();
}
public void setBorder(boolean state) {
border = state;
if (border) {
addClass("border");
} else {
removeClass("border");
}
}
public Component getComponent() {
return get(0);
}
private boolean selected;
public void setSelected(boolean state) {
selected = state;
if (state) {
sendEvent("addclass", new String[] {"cls=selected"});
} else {
sendEvent("delclass", new String[] {"cls=selected"});
}
}
public boolean isSelected() {
return selected;
}
}
private int getTotalWidth() {
if (cellWidths == null) {
return cellWidth * cols;
} else {
int total = 0;
for(int a=0;a<cellWidths.length;a++) {
total += cellWidths[a];
}
return total;
}
}
private int getTotalHeight() {
return cellHeight * rows;
}
private void setSize() {
int totalWidth = getTotalWidth();
int totalHeight = getTotalHeight();
setSize(totalWidth, totalHeight);
sendEvent("setsize", new String [] {"w=" + totalWidth, "h=" + totalHeight});
}
public void setBorder(boolean state) {
border = state;
if (border) {
addClass("border");
} else {
removeClass("border");
}
}
/** Sets selection mode : SELECT_... */
public void setSelectionMode(int mode) {
this.sel_mode = mode;
}
public int getSelectionMode() {
return sel_mode;
}
public void setHeader(boolean state) {
has_header = state;
}
public boolean getHeader() {
return has_header;
}
public String html() {
StringBuilder sb = new StringBuilder();
//using an actualy <table> proved to be too difficult once spans where implemented
sb.append("<div" + getAttrs() + ">");
Component[] cells = getAll();
for(int a=0;a<cells.length;a++) {
Cell cell = (Cell)cells[a];
sb.append(cell.html());
}
sb.append("</div>");
return sb.toString();
}
public void add(Component comp, int x, int y) {
add(comp,x,y,1,1);
}
public void add(Component comp, int x, int y, int spanx, int spany) {
Cell cell = new Cell(comp, border);
cell.x = x;
cell.y = y;
cell.spanx = spanx;
cell.spany = spany;
cell.addClickListener(this);
add(cell);
}
public void addRow() {
rows++;
setSize();
}
public void addRow(Component[] cmps) {
int x = 0;
int y = rows;
addRow();
for(Component c : cmps) {
add(c, x, y);
x++;
}
}
public void addRow(String[] strs) {
int x = 0;
int y = rows;
addRow();
for(String s : strs) {
add(new Label(s), x, y);
x++;
}
}
public void addColumn() {
if (cellWidths != null) {
return;
}
cols++;
setSize();
}
public void addColumn(int width) {
if (cellWidths == null) {
return;
}
int idx = cellWidths.length;
cellWidths = Arrays.copyOf(cellWidths, cellWidths.length + 1);
cellWidths[idx] = width;
cols++;
setSize();
}
public void addColumn(Component[] cmps) {
int x = cols;
int y = 0;
addColumn();
for(Component c : cmps) {
add(c, x, y);
y++;
}
}
public void addColumn(String[] strs) {
int x = cols;
int y = 0;
addColumn();
for(String s : strs) {
add(new Label(s), x, y);
y++;
}
}
/** Sets number of columns and rows. */
public void setTableSize(int cols, int rows) {
this.cols = cols;
this.rows = rows;
setSize();
}
public void remove(Component c) {
//find cell with c
int cnt = count();
for(int a=0;a<cnt;a++) {
Cell cell = (Cell)get(a);
if (cell.get(0) == c) {
super.remove(cell);
cell.sendEvent("remove", new String[] {"child=" + cell.id});
return;
}
}
}
public Component remove(int x,int y) {
Cell cell = getCell(x,y,false);
if (cell != null) {
super.remove(cell);
cell.sendEvent("remove", new String[] {"child=" + cell.id});
return cell.get(0);
}
return null;
}
public void removeRow(int row) {
int cnt = count();
if (has_header) row++;
for(int a=0;a<cnt;) {
Cell cell = (Cell)get(a);
Component c = cell.get(0);
if (cell.y == row) {
remove(c);
cnt--;
} else {
if (cell.y > row) {
cell.y--;
}
a++;
}
}
rows--;
}
public void removeColumn(int col) {
int cnt = count();
for(int a=0;a<cnt;) {
Cell cell = (Cell)get(a);
Component c = cell.get(0);
if (cell.x == col) {
remove(c);
cnt--;
} else {
if (cell.x > col) {
cell.x--;
}
a++;
}
}
cols--;
}
public void removeAll() {
super.removeAll();
rows = 0;
setSize();
}
public void setSpans(int x,int y,int spanx, int spany) {
if (cellWidths != null) {
//TODO
return;
}
Cell cell = getCell(x,y,false);
if (cell == null) return;
cell.spanx = spanx;
cell.spany = spany;
cell.sendEvent("setsize", new String[] {"w=" + spanx * cellWidth, "h=" + spany * cellHeight});
}
private Cell getCell(int x,int y,boolean checkSpans) {
int cnt = count();
for(int a=0;a<cnt;a++) {
Cell cell = (Cell)get(a);
int x1 = cell.x;
int y1 = cell.y;
int x2 = x1;
int y2 = y1;
if (checkSpans) {
x2 += cell.spanx - 1;
y2 += cell.spany - 1;
}
if (x >= x1 && x <= x2 && y >= y1 && y <= y2) {
return cell;
}
}
return null;
}
public Component get(int x,int y,boolean checkSpans) {
Cell cell = getCell(x,y,checkSpans);
if (cell == null) return null;
return cell.get(0);
}
public int getRows() {
return rows;
}
public int getColumns() {
return cols;
}
private Cell getCell(int idx) {
return (Cell)get(idx);
}
public int getSelectedRow() {
int cnt = count();
for(int idx=0;idx<cnt;idx++) {
Cell cell = getCell(idx);
if (cell.isSelected()) return has_header ? cell.y - 1 : cell.y;
}
return -1;
}
public int getSelectedColumn() {
int cnt = count();
for(int idx=0;idx<cnt;idx++) {
Cell cell = getCell(idx);
if (cell.isSelected()) return cell.x;
}
return -1;
}
public void onClick(MouseEvent me, Component cmp) {
Cell cell = (Cell)cmp;
if (has_header && cell.y == 0) return;
if (me.ctrlKey) {
switch (sel_mode) {
case SELECT_CELL:
cell.setSelected(!cell.isSelected());
break;
case SELECT_ROW: {
int y = cell.y;
int cnt = count();
for(int idx=0;idx<cnt;idx++) {
Cell o = getCell(idx);
if (cell.y == y) {
o.setSelected(!o.isSelected());
}
}
break;
}
case SELECT_COLUMN: {
int x = cell.x;
int cnt = count();
for(int idx=0;idx<cnt;idx++) {
Cell o = getCell(idx);
if (cell.x == x) {
o.setSelected(!o.isSelected());
}
}
break;
}
}
} else {
switch (sel_mode) {
case SELECT_CELL: {
int cnt = count();
for(int idx=0;idx<cnt;idx++) {
Cell o = getCell(idx);
o.setSelected(o == cell);
}
break;
}
case SELECT_ROW: {
int y = cell.y;
int cnt = count();
for(int idx=0;idx<cnt;idx++) {
Cell o = getCell(idx);
o.setSelected(o.y == y);
}
break;
}
case SELECT_COLUMN: {
int x = cell.x;
int cnt = count();
for(int idx=0;idx<cnt;idx++) {
Cell o = getCell(idx);
o.setSelected(o.x == x);
}
break;
}
}
}
onChanged(null);
}
}