下面列出了java.awt.peer.CheckboxPeer#setCheckboxGroup ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
/**
* Sets this check box's group to the specified check box group.
* If this check box is already in a different check box group,
* it is first taken out of that group.
* <p>
* If the state of this check box is <code>true</code> and the new
* group already has a check box selected, this check box's state
* is changed to <code>false</code>. If the state of this check
* box is <code>true</code> and the new group has no check box
* selected, this check box becomes the selected checkbox for
* the new group and its state is <code>true</code>.
*
* @param g the new check box group, or <code>null</code>
* to remove this check box from any check box group
* @see #getCheckboxGroup
*/
public void setCheckboxGroup(CheckboxGroup g) {
CheckboxGroup oldGroup;
boolean oldState;
/* Do nothing if this check box has already belonged
* to the check box group g.
*/
if (this.group == g) {
return;
}
synchronized (this) {
oldGroup = this.group;
oldState = getState();
this.group = g;
CheckboxPeer peer = (CheckboxPeer)this.peer;
if (peer != null) {
peer.setCheckboxGroup(g);
}
if (this.group != null && getState()) {
if (this.group.getSelectedCheckbox() != null) {
setState(false);
} else {
this.group.setSelectedCheckbox(this);
}
}
}
/* Locking check box below could cause deadlock with
* CheckboxGroup's setSelectedCheckbox method.
*
* Fix for 4726853 by [email protected]
* Here we should check if this check box was selected
* in the previous group and set selected check box to
* null for that group if so.
*/
if (oldGroup != null && oldState) {
oldGroup.setSelectedCheckbox(null);
}
}
/**
* Sets this check box's group to the specified check box group.
* If this check box is already in a different check box group,
* it is first taken out of that group.
* <p>
* If the state of this check box is <code>true</code> and the new
* group already has a check box selected, this check box's state
* is changed to <code>false</code>. If the state of this check
* box is <code>true</code> and the new group has no check box
* selected, this check box becomes the selected checkbox for
* the new group and its state is <code>true</code>.
*
* @param g the new check box group, or <code>null</code>
* to remove this check box from any check box group
* @see #getCheckboxGroup
*/
public void setCheckboxGroup(CheckboxGroup g) {
CheckboxGroup oldGroup;
boolean oldState;
/* Do nothing if this check box has already belonged
* to the check box group g.
*/
if (this.group == g) {
return;
}
synchronized (this) {
oldGroup = this.group;
oldState = getState();
this.group = g;
CheckboxPeer peer = (CheckboxPeer)this.peer;
if (peer != null) {
peer.setCheckboxGroup(g);
}
if (this.group != null && getState()) {
if (this.group.getSelectedCheckbox() != null) {
setState(false);
} else {
this.group.setSelectedCheckbox(this);
}
}
}
/* Locking check box below could cause deadlock with
* CheckboxGroup's setSelectedCheckbox method.
*
* Fix for 4726853 by [email protected]
* Here we should check if this check box was selected
* in the previous group and set selected check box to
* null for that group if so.
*/
if (oldGroup != null && oldState) {
oldGroup.setSelectedCheckbox(null);
}
}
/**
* Sets this check box's group to the specified check box group.
* If this check box is already in a different check box group,
* it is first taken out of that group.
* <p>
* If the state of this check box is <code>true</code> and the new
* group already has a check box selected, this check box's state
* is changed to <code>false</code>. If the state of this check
* box is <code>true</code> and the new group has no check box
* selected, this check box becomes the selected checkbox for
* the new group and its state is <code>true</code>.
*
* @param g the new check box group, or <code>null</code>
* to remove this check box from any check box group
* @see #getCheckboxGroup
*/
public void setCheckboxGroup(CheckboxGroup g) {
CheckboxGroup oldGroup;
boolean oldState;
/* Do nothing if this check box has already belonged
* to the check box group g.
*/
if (this.group == g) {
return;
}
synchronized (this) {
oldGroup = this.group;
oldState = getState();
this.group = g;
CheckboxPeer peer = (CheckboxPeer)this.peer;
if (peer != null) {
peer.setCheckboxGroup(g);
}
if (this.group != null && getState()) {
if (this.group.getSelectedCheckbox() != null) {
setState(false);
} else {
this.group.setSelectedCheckbox(this);
}
}
}
/* Locking check box below could cause deadlock with
* CheckboxGroup's setSelectedCheckbox method.
*
* Fix for 4726853 by [email protected]
* Here we should check if this check box was selected
* in the previous group and set selected check box to
* null for that group if so.
*/
if (oldGroup != null && oldState) {
oldGroup.setSelectedCheckbox(null);
}
}
/**
* Sets this check box's group to the specified check box group.
* If this check box is already in a different check box group,
* it is first taken out of that group.
* <p>
* If the state of this check box is <code>true</code> and the new
* group already has a check box selected, this check box's state
* is changed to <code>false</code>. If the state of this check
* box is <code>true</code> and the new group has no check box
* selected, this check box becomes the selected checkbox for
* the new group and its state is <code>true</code>.
*
* @param g the new check box group, or <code>null</code>
* to remove this check box from any check box group
* @see #getCheckboxGroup
*/
public void setCheckboxGroup(CheckboxGroup g) {
CheckboxGroup oldGroup;
boolean oldState;
/* Do nothing if this check box has already belonged
* to the check box group g.
*/
if (this.group == g) {
return;
}
synchronized (this) {
oldGroup = this.group;
oldState = getState();
this.group = g;
CheckboxPeer peer = (CheckboxPeer)this.peer;
if (peer != null) {
peer.setCheckboxGroup(g);
}
if (this.group != null && getState()) {
if (this.group.getSelectedCheckbox() != null) {
setState(false);
} else {
this.group.setSelectedCheckbox(this);
}
}
}
/* Locking check box below could cause deadlock with
* CheckboxGroup's setSelectedCheckbox method.
*
* Fix for 4726853 by [email protected]
* Here we should check if this check box was selected
* in the previous group and set selected check box to
* null for that group if so.
*/
if (oldGroup != null && oldState) {
oldGroup.setSelectedCheckbox(null);
}
}
/**
* Sets this check box's group to the specified check box group.
* If this check box is already in a different check box group,
* it is first taken out of that group.
* <p>
* If the state of this check box is <code>true</code> and the new
* group already has a check box selected, this check box's state
* is changed to <code>false</code>. If the state of this check
* box is <code>true</code> and the new group has no check box
* selected, this check box becomes the selected checkbox for
* the new group and its state is <code>true</code>.
*
* @param g the new check box group, or <code>null</code>
* to remove this check box from any check box group
* @see #getCheckboxGroup
*/
public void setCheckboxGroup(CheckboxGroup g) {
CheckboxGroup oldGroup;
boolean oldState;
/* Do nothing if this check box has already belonged
* to the check box group g.
*/
if (this.group == g) {
return;
}
synchronized (this) {
oldGroup = this.group;
oldState = getState();
this.group = g;
CheckboxPeer peer = (CheckboxPeer)this.peer;
if (peer != null) {
peer.setCheckboxGroup(g);
}
if (this.group != null && getState()) {
if (this.group.getSelectedCheckbox() != null) {
setState(false);
} else {
this.group.setSelectedCheckbox(this);
}
}
}
/* Locking check box below could cause deadlock with
* CheckboxGroup's setSelectedCheckbox method.
*
* Fix for 4726853 by [email protected]
* Here we should check if this check box was selected
* in the previous group and set selected check box to
* null for that group if so.
*/
if (oldGroup != null && oldState) {
oldGroup.setSelectedCheckbox(null);
}
}
/**
* Sets this check box's group to the specified check box group.
* If this check box is already in a different check box group,
* it is first taken out of that group.
* <p>
* If the state of this check box is <code>true</code> and the new
* group already has a check box selected, this check box's state
* is changed to <code>false</code>. If the state of this check
* box is <code>true</code> and the new group has no check box
* selected, this check box becomes the selected checkbox for
* the new group and its state is <code>true</code>.
*
* @param g the new check box group, or <code>null</code>
* to remove this check box from any check box group
* @see #getCheckboxGroup
*/
public void setCheckboxGroup(CheckboxGroup g) {
CheckboxGroup oldGroup;
boolean oldState;
/* Do nothing if this check box has already belonged
* to the check box group g.
*/
if (this.group == g) {
return;
}
synchronized (this) {
oldGroup = this.group;
oldState = getState();
this.group = g;
CheckboxPeer peer = (CheckboxPeer)this.peer;
if (peer != null) {
peer.setCheckboxGroup(g);
}
if (this.group != null && getState()) {
if (this.group.getSelectedCheckbox() != null) {
setState(false);
} else {
this.group.setSelectedCheckbox(this);
}
}
}
/* Locking check box below could cause deadlock with
* CheckboxGroup's setSelectedCheckbox method.
*
* Fix for 4726853 by [email protected]
* Here we should check if this check box was selected
* in the previous group and set selected check box to
* null for that group if so.
*/
if (oldGroup != null && oldState) {
oldGroup.setSelectedCheckbox(null);
}
}
/**
* Sets this check box's group to the specified check box group.
* If this check box is already in a different check box group,
* it is first taken out of that group.
* <p>
* If the state of this check box is <code>true</code> and the new
* group already has a check box selected, this check box's state
* is changed to <code>false</code>. If the state of this check
* box is <code>true</code> and the new group has no check box
* selected, this check box becomes the selected checkbox for
* the new group and its state is <code>true</code>.
*
* @param g the new check box group, or <code>null</code>
* to remove this check box from any check box group
* @see #getCheckboxGroup
*/
public void setCheckboxGroup(CheckboxGroup g) {
CheckboxGroup oldGroup;
boolean oldState;
/* Do nothing if this check box has already belonged
* to the check box group g.
*/
if (this.group == g) {
return;
}
synchronized (this) {
oldGroup = this.group;
oldState = getState();
this.group = g;
CheckboxPeer peer = (CheckboxPeer)this.peer;
if (peer != null) {
peer.setCheckboxGroup(g);
}
if (this.group != null && getState()) {
if (this.group.getSelectedCheckbox() != null) {
setState(false);
} else {
this.group.setSelectedCheckbox(this);
}
}
}
/* Locking check box below could cause deadlock with
* CheckboxGroup's setSelectedCheckbox method.
*
* Fix for 4726853 by [email protected]
* Here we should check if this check box was selected
* in the previous group and set selected check box to
* null for that group if so.
*/
if (oldGroup != null && oldState) {
oldGroup.setSelectedCheckbox(null);
}
}
/**
* Sets this check box's group to the specified check box group.
* If this check box is already in a different check box group,
* it is first taken out of that group.
* <p>
* If the state of this check box is {@code true} and the new
* group already has a check box selected, this check box's state
* is changed to {@code false}. If the state of this check
* box is {@code true} and the new group has no check box
* selected, this check box becomes the selected checkbox for
* the new group and its state is {@code true}.
*
* @param g the new check box group, or {@code null}
* to remove this check box from any check box group
* @see #getCheckboxGroup
*/
public void setCheckboxGroup(CheckboxGroup g) {
CheckboxGroup oldGroup;
boolean oldState;
/* Do nothing if this check box has already belonged
* to the check box group g.
*/
if (this.group == g) {
return;
}
synchronized (this) {
oldGroup = this.group;
oldState = getState();
this.group = g;
CheckboxPeer peer = (CheckboxPeer)this.peer;
if (peer != null) {
peer.setCheckboxGroup(g);
}
if (this.group != null && getState()) {
if (this.group.getSelectedCheckbox() != null) {
setState(false);
} else {
this.group.setSelectedCheckbox(this);
}
}
}
/* Locking check box below could cause deadlock with
* CheckboxGroup's setSelectedCheckbox method.
*
* Fix for 4726853 by [email protected]
* Here we should check if this check box was selected
* in the previous group and set selected check box to
* null for that group if so.
*/
if (oldGroup != null && oldState) {
oldGroup.setSelectedCheckbox(null);
}
}
/**
* Sets this check box's group to the specified check box group.
* If this check box is already in a different check box group,
* it is first taken out of that group.
* <p>
* If the state of this check box is {@code true} and the new
* group already has a check box selected, this check box's state
* is changed to {@code false}. If the state of this check
* box is {@code true} and the new group has no check box
* selected, this check box becomes the selected checkbox for
* the new group and its state is {@code true}.
*
* @param g the new check box group, or {@code null}
* to remove this check box from any check box group
* @see #getCheckboxGroup
*/
public void setCheckboxGroup(CheckboxGroup g) {
CheckboxGroup oldGroup;
boolean oldState;
/* Do nothing if this check box has already belonged
* to the check box group g.
*/
if (this.group == g) {
return;
}
synchronized (this) {
oldGroup = this.group;
oldState = getState();
this.group = g;
CheckboxPeer peer = (CheckboxPeer)this.peer;
if (peer != null) {
peer.setCheckboxGroup(g);
}
if (this.group != null && getState()) {
if (this.group.getSelectedCheckbox() != null) {
setState(false);
} else {
this.group.setSelectedCheckbox(this);
}
}
}
/* Locking check box below could cause deadlock with
* CheckboxGroup's setSelectedCheckbox method.
*
* Fix for 4726853 by [email protected]
* Here we should check if this check box was selected
* in the previous group and set selected check box to
* null for that group if so.
*/
if (oldGroup != null && oldState) {
oldGroup.setSelectedCheckbox(null);
}
}
/**
* Sets this check box's group to the specified check box group.
* If this check box is already in a different check box group,
* it is first taken out of that group.
* <p>
* If the state of this check box is <code>true</code> and the new
* group already has a check box selected, this check box's state
* is changed to <code>false</code>. If the state of this check
* box is <code>true</code> and the new group has no check box
* selected, this check box becomes the selected checkbox for
* the new group and its state is <code>true</code>.
*
* @param g the new check box group, or <code>null</code>
* to remove this check box from any check box group
* @see #getCheckboxGroup
*/
public void setCheckboxGroup(CheckboxGroup g) {
CheckboxGroup oldGroup;
boolean oldState;
/* Do nothing if this check box has already belonged
* to the check box group g.
*/
if (this.group == g) {
return;
}
synchronized (this) {
oldGroup = this.group;
oldState = getState();
this.group = g;
CheckboxPeer peer = (CheckboxPeer)this.peer;
if (peer != null) {
peer.setCheckboxGroup(g);
}
if (this.group != null && getState()) {
if (this.group.getSelectedCheckbox() != null) {
setState(false);
} else {
this.group.setSelectedCheckbox(this);
}
}
}
/* Locking check box below could cause deadlock with
* CheckboxGroup's setSelectedCheckbox method.
*
* Fix for 4726853 by [email protected]
* Here we should check if this check box was selected
* in the previous group and set selected check box to
* null for that group if so.
*/
if (oldGroup != null && oldState) {
oldGroup.setSelectedCheckbox(null);
}
}
/**
* Sets this check box's group to the specified check box group.
* If this check box is already in a different check box group,
* it is first taken out of that group.
* <p>
* If the state of this check box is <code>true</code> and the new
* group already has a check box selected, this check box's state
* is changed to <code>false</code>. If the state of this check
* box is <code>true</code> and the new group has no check box
* selected, this check box becomes the selected checkbox for
* the new group and its state is <code>true</code>.
*
* @param g the new check box group, or <code>null</code>
* to remove this check box from any check box group
* @see #getCheckboxGroup
*/
public void setCheckboxGroup(CheckboxGroup g) {
CheckboxGroup oldGroup;
boolean oldState;
/* Do nothing if this check box has already belonged
* to the check box group g.
*/
if (this.group == g) {
return;
}
synchronized (this) {
oldGroup = this.group;
oldState = getState();
this.group = g;
CheckboxPeer peer = (CheckboxPeer)this.peer;
if (peer != null) {
peer.setCheckboxGroup(g);
}
if (this.group != null && getState()) {
if (this.group.getSelectedCheckbox() != null) {
setState(false);
} else {
this.group.setSelectedCheckbox(this);
}
}
}
/* Locking check box below could cause deadlock with
* CheckboxGroup's setSelectedCheckbox method.
*
* Fix for 4726853 by [email protected]
* Here we should check if this check box was selected
* in the previous group and set selected check box to
* null for that group if so.
*/
if (oldGroup != null && oldState) {
oldGroup.setSelectedCheckbox(null);
}
}
/**
* Sets this check box's group to the specified check box group.
* If this check box is already in a different check box group,
* it is first taken out of that group.
* <p>
* If the state of this check box is <code>true</code> and the new
* group already has a check box selected, this check box's state
* is changed to <code>false</code>. If the state of this check
* box is <code>true</code> and the new group has no check box
* selected, this check box becomes the selected checkbox for
* the new group and its state is <code>true</code>.
*
* @param g the new check box group, or <code>null</code>
* to remove this check box from any check box group
* @see #getCheckboxGroup
*/
public void setCheckboxGroup(CheckboxGroup g) {
CheckboxGroup oldGroup;
boolean oldState;
/* Do nothing if this check box has already belonged
* to the check box group g.
*/
if (this.group == g) {
return;
}
synchronized (this) {
oldGroup = this.group;
oldState = getState();
this.group = g;
CheckboxPeer peer = (CheckboxPeer)this.peer;
if (peer != null) {
peer.setCheckboxGroup(g);
}
if (this.group != null && getState()) {
if (this.group.getSelectedCheckbox() != null) {
setState(false);
} else {
this.group.setSelectedCheckbox(this);
}
}
}
/* Locking check box below could cause deadlock with
* CheckboxGroup's setSelectedCheckbox method.
*
* Fix for 4726853 by [email protected]
* Here we should check if this check box was selected
* in the previous group and set selected check box to
* null for that group if so.
*/
if (oldGroup != null && oldState) {
oldGroup.setSelectedCheckbox(null);
}
}
/**
* Sets this check box's group to the specified check box group.
* If this check box is already in a different check box group,
* it is first taken out of that group.
* <p>
* If the state of this check box is <code>true</code> and the new
* group already has a check box selected, this check box's state
* is changed to <code>false</code>. If the state of this check
* box is <code>true</code> and the new group has no check box
* selected, this check box becomes the selected checkbox for
* the new group and its state is <code>true</code>.
*
* @param g the new check box group, or <code>null</code>
* to remove this check box from any check box group
* @see #getCheckboxGroup
*/
public void setCheckboxGroup(CheckboxGroup g) {
CheckboxGroup oldGroup;
boolean oldState;
/* Do nothing if this check box has already belonged
* to the check box group g.
*/
if (this.group == g) {
return;
}
synchronized (this) {
oldGroup = this.group;
oldState = getState();
this.group = g;
CheckboxPeer peer = (CheckboxPeer)this.peer;
if (peer != null) {
peer.setCheckboxGroup(g);
}
if (this.group != null && getState()) {
if (this.group.getSelectedCheckbox() != null) {
setState(false);
} else {
this.group.setSelectedCheckbox(this);
}
}
}
/* Locking check box below could cause deadlock with
* CheckboxGroup's setSelectedCheckbox method.
*
* Fix for 4726853 by [email protected]
* Here we should check if this check box was selected
* in the previous group and set selected check box to
* null for that group if so.
*/
if (oldGroup != null && oldState) {
oldGroup.setSelectedCheckbox(null);
}
}
/**
* Sets this check box's group to the specified check box group.
* If this check box is already in a different check box group,
* it is first taken out of that group.
* <p>
* If the state of this check box is <code>true</code> and the new
* group already has a check box selected, this check box's state
* is changed to <code>false</code>. If the state of this check
* box is <code>true</code> and the new group has no check box
* selected, this check box becomes the selected checkbox for
* the new group and its state is <code>true</code>.
*
* @param g the new check box group, or <code>null</code>
* to remove this check box from any check box group
* @see #getCheckboxGroup
*/
public void setCheckboxGroup(CheckboxGroup g) {
CheckboxGroup oldGroup;
boolean oldState;
/* Do nothing if this check box has already belonged
* to the check box group g.
*/
if (this.group == g) {
return;
}
synchronized (this) {
oldGroup = this.group;
oldState = getState();
this.group = g;
CheckboxPeer peer = (CheckboxPeer)this.peer;
if (peer != null) {
peer.setCheckboxGroup(g);
}
if (this.group != null && getState()) {
if (this.group.getSelectedCheckbox() != null) {
setState(false);
} else {
this.group.setSelectedCheckbox(this);
}
}
}
/* Locking check box below could cause deadlock with
* CheckboxGroup's setSelectedCheckbox method.
*
* Fix for 4726853 by [email protected]
* Here we should check if this check box was selected
* in the previous group and set selected check box to
* null for that group if so.
*/
if (oldGroup != null && oldState) {
oldGroup.setSelectedCheckbox(null);
}
}
/**
* Sets this check box's group to the specified check box group.
* If this check box is already in a different check box group,
* it is first taken out of that group.
* <p>
* If the state of this check box is <code>true</code> and the new
* group already has a check box selected, this check box's state
* is changed to <code>false</code>. If the state of this check
* box is <code>true</code> and the new group has no check box
* selected, this check box becomes the selected checkbox for
* the new group and its state is <code>true</code>.
*
* @param g the new check box group, or <code>null</code>
* to remove this check box from any check box group
* @see #getCheckboxGroup
*/
public void setCheckboxGroup(CheckboxGroup g) {
CheckboxGroup oldGroup;
boolean oldState;
/* Do nothing if this check box has already belonged
* to the check box group g.
*/
if (this.group == g) {
return;
}
synchronized (this) {
oldGroup = this.group;
oldState = getState();
this.group = g;
CheckboxPeer peer = (CheckboxPeer)this.peer;
if (peer != null) {
peer.setCheckboxGroup(g);
}
if (this.group != null && getState()) {
if (this.group.getSelectedCheckbox() != null) {
setState(false);
} else {
this.group.setSelectedCheckbox(this);
}
}
}
/* Locking check box below could cause deadlock with
* CheckboxGroup's setSelectedCheckbox method.
*
* Fix for 4726853 by [email protected]
* Here we should check if this check box was selected
* in the previous group and set selected check box to
* null for that group if so.
*/
if (oldGroup != null && oldState) {
oldGroup.setSelectedCheckbox(null);
}
}
/**
* Sets this check box's group to the specified check box group.
* If this check box is already in a different check box group,
* it is first taken out of that group.
* <p>
* If the state of this check box is <code>true</code> and the new
* group already has a check box selected, this check box's state
* is changed to <code>false</code>. If the state of this check
* box is <code>true</code> and the new group has no check box
* selected, this check box becomes the selected checkbox for
* the new group and its state is <code>true</code>.
*
* @param g the new check box group, or <code>null</code>
* to remove this check box from any check box group
* @see #getCheckboxGroup
*/
public void setCheckboxGroup(CheckboxGroup g) {
CheckboxGroup oldGroup;
boolean oldState;
/* Do nothing if this check box has already belonged
* to the check box group g.
*/
if (this.group == g) {
return;
}
synchronized (this) {
oldGroup = this.group;
oldState = getState();
this.group = g;
CheckboxPeer peer = (CheckboxPeer)this.peer;
if (peer != null) {
peer.setCheckboxGroup(g);
}
if (this.group != null && getState()) {
if (this.group.getSelectedCheckbox() != null) {
setState(false);
} else {
this.group.setSelectedCheckbox(this);
}
}
}
/* Locking check box below could cause deadlock with
* CheckboxGroup's setSelectedCheckbox method.
*
* Fix for 4726853 by [email protected]
* Here we should check if this check box was selected
* in the previous group and set selected check box to
* null for that group if so.
*/
if (oldGroup != null && oldState) {
oldGroup.setSelectedCheckbox(null);
}
}
/**
* Sets this check box's group to the specified check box group.
* If this check box is already in a different check box group,
* it is first taken out of that group.
* <p>
* If the state of this check box is <code>true</code> and the new
* group already has a check box selected, this check box's state
* is changed to <code>false</code>. If the state of this check
* box is <code>true</code> and the new group has no check box
* selected, this check box becomes the selected checkbox for
* the new group and its state is <code>true</code>.
*
* @param g the new check box group, or <code>null</code>
* to remove this check box from any check box group
* @see #getCheckboxGroup
*/
public void setCheckboxGroup(CheckboxGroup g) {
CheckboxGroup oldGroup;
boolean oldState;
/* Do nothing if this check box has already belonged
* to the check box group g.
*/
if (this.group == g) {
return;
}
synchronized (this) {
oldGroup = this.group;
oldState = getState();
this.group = g;
CheckboxPeer peer = (CheckboxPeer)this.peer;
if (peer != null) {
peer.setCheckboxGroup(g);
}
if (this.group != null && getState()) {
if (this.group.getSelectedCheckbox() != null) {
setState(false);
} else {
this.group.setSelectedCheckbox(this);
}
}
}
/* Locking check box below could cause deadlock with
* CheckboxGroup's setSelectedCheckbox method.
*
* Fix for 4726853 by [email protected]
* Here we should check if this check box was selected
* in the previous group and set selected check box to
* null for that group if so.
*/
if (oldGroup != null && oldState) {
oldGroup.setSelectedCheckbox(null);
}
}
/**
* Sets this check box's group to the specified check box group.
* If this check box is already in a different check box group,
* it is first taken out of that group.
* <p>
* If the state of this check box is <code>true</code> and the new
* group already has a check box selected, this check box's state
* is changed to <code>false</code>. If the state of this check
* box is <code>true</code> and the new group has no check box
* selected, this check box becomes the selected checkbox for
* the new group and its state is <code>true</code>.
*
* @param g the new check box group, or <code>null</code>
* to remove this check box from any check box group
* @see #getCheckboxGroup
*/
public void setCheckboxGroup(CheckboxGroup g) {
CheckboxGroup oldGroup;
boolean oldState;
/* Do nothing if this check box has already belonged
* to the check box group g.
*/
if (this.group == g) {
return;
}
synchronized (this) {
oldGroup = this.group;
oldState = getState();
this.group = g;
CheckboxPeer peer = (CheckboxPeer)this.peer;
if (peer != null) {
peer.setCheckboxGroup(g);
}
if (this.group != null && getState()) {
if (this.group.getSelectedCheckbox() != null) {
setState(false);
} else {
this.group.setSelectedCheckbox(this);
}
}
}
/* Locking check box below could cause deadlock with
* CheckboxGroup's setSelectedCheckbox method.
*
* Fix for 4726853 by [email protected]
* Here we should check if this check box was selected
* in the previous group and set selected check box to
* null for that group if so.
*/
if (oldGroup != null && oldState) {
oldGroup.setSelectedCheckbox(null);
}
}